KR101745128B1 - 수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 - Google Patents
수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 Download PDFInfo
- Publication number
- KR101745128B1 KR101745128B1 KR1020150123830A KR20150123830A KR101745128B1 KR 101745128 B1 KR101745128 B1 KR 101745128B1 KR 1020150123830 A KR1020150123830 A KR 1020150123830A KR 20150123830 A KR20150123830 A KR 20150123830A KR 101745128 B1 KR101745128 B1 KR 101745128B1
- Authority
- KR
- South Korea
- Prior art keywords
- hydrogen
- transition metal
- oxide
- core
- metal oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/58—Platinum group metals with alkali- or alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/60—Platinum group metals with zinc, cadmium or mercury
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/62—Platinum group metals with gallium, indium, thallium, germanium, tin or lead
- B01J23/622—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead
- B01J23/626—Platinum group metals with gallium, indium, thallium, germanium, tin or lead with germanium, tin or lead with tin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
- B01J23/6482—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6525—Molybdenum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6527—Tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8906—Iron and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/892—Nickel and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8926—Copper and noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/396—Distribution of the active metal ingredient
- B01J35/397—Egg shell like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/031—Precipitation
- B01J37/035—Precipitation on carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/344—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electromagnetic wave energy
- B01J37/345—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electromagnetic wave energy of ultraviolet wave energy
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
- C01G41/02—Oxides; Hydroxides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y15/00—Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/024—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting hydrogen H2
-
- G01N2021/78—
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Catalysts (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
Description
도 2는 본 발명의 제조예 1에 따른 수화 또는 비수화된 전이금속 산화물의 제조 방법을 개략적으로 나타낸 모식도이다.
도 3은 본 발명의 수화 또는 비수화된 전이금속 산화물을 포함하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법을 개략적으로 나타낸 모식도이다.
도 4는 본 발명의 실험예 1에 따른 비수화된 전이금속 산화물을 포함하는 수소 센서의 수소 변색 시험 (a)전, (b) 후의 결과를 나타낸 이미지이다.
도 5는 본 발명의 실험예 1에 따른 수화된 전이금속 산화물을 포함하는 수소 센서의 수소 변색 시험 (a)전, (b) 후의 결과를 나타낸 이미지이다.
도 6은 본 발명의 실험예 2에 따른 비수화된 전이금속 산화물을 포함하는 수소 센서의 전압-전류 응답 결과를 나타낸 그래프이다.
도 7은 본 발명의 실험예 2에 따른 수화된 전이금속 산화물을 포함하는 수소 센서의 전압-전류 응답 결과를 나타낸 그래프이다.
Claims (20)
- 전이금속 산화물로 이루어진 코어; 및
상기 코어 표면에 부분적으로 코팅된 금속 촉매로 이루어진 쉘을 포함하고,
상기 쉘은 코어 전체 표면 중에 80% 이하의 면적에 점 형태로 부분적으로 코팅된 것인 수소 변색 나노입자로서,
상기 수소 변색 나노입자는 수화 또는 비수화된 전이금속 산화물로 이루어진 코어 80 내지 90중량%; 및 금속 촉매로 이루어진 쉘 10 내지 20 중량%를 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 전이금속 산화물은 물분자가 도핑 되지 않은 비수화된(non-hydrated) 전이금속 산화물 또는 물분자가 도핑된 수화(hydrate)된 전이금속 산화물을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 전이금속 산화물은 SnO2, TiO2, ZnO, VO2, In2O3, NiO, MoO3, SrTiO3, Fe2O3, WO3 및 CuO로 이루어진 군으로부터 선택되는 단일물 또는 2종 이상의 금속 산화물을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1 또는 청구항 3에 있어서,
상기 전이금속 산화물은 텅스텐 산화물(WO3)을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 전이금속 산화물의 평균 입경은 1 내지 200㎚인 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 금속 촉매는 Pd, Pt, Ru, Mg, Ni, Au 및 이들로 이루어진 군으로부터 선택된 단일물 또는 2종 이상의 금속 입자를 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 금속 촉매는 염화팔라듐(PdCl2), 질산팔라듐암모늄(Pd(NH3)2(NO3)), 브롬화팔라듐(PdBr2), 팔라듐 옥사이드 하이드레이트(PdOH2O), 팔라듐 설페이트(PdSO4), 팔라듐나이트레이트(Pd(NO3)2), 팔라듐아세틸아세테이트 ((CH3COCH=C(O-)CH3)3Pd), 염화백금(PtCl2, PtCl4), 브롬화백금 (PtBr2), 백금산화물 (PtO2xH2O), 황화백금 (PtS2), 루테늄옥사이드하이드레이트(RuO2xH2O), 루테늄아세틸아세테이트[(CH3COCH=C(O-)CH3)3Ru], 루테늄 브로마이드(RuBr3), 염화이리듐(IrCl3), 이리듐아세틸아세테이트 ((CH3COCH=C(O-)CH3)3Ir), 및 이리듐클로라이드하이드레이트 (IrCl4xH2O)로 이루어진 군으로부터 선택되는 단일물 또는 2종 이상의 금속 화합물을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1 또는 청구항 7에 있어서,
상기 금속 촉매는 염화팔라듐(PdCl2)을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 금속 촉매로 이루어진 쉘은 UV 조사를 이용한 용액 합성 방법을 이용하여 형성되는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 청구항 1에 있어서,
상기 금속 촉매로 이루어진 쉘의 두께는 0.1 내지 50nm인 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자.
- 삭제
- 삭제
- 수화 또는 비수화된 전이금속 산화물을 제조하는 단계;
금속 촉매 전구체 및 고분자 화합물을 유기용매에 용해시켜 금속 촉매 용액을 제조하는 단계;
상기 금속 촉매 용액에 상기 수화 또는 비수화된 전이금속 산화물을 투입하여 혼합 용액을 제조하는 단계;
상기 혼합 용액에 UV를 조사하여 코어-쉘 구조의 수소 변색 나노입자를 제조하는 단계;
상기 혼합 용액을 여과하여 코어-쉘 구조의 수소 변색 나노입자를 수득하는 단계;를 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 13에 있어서,
상기 고분자 화합물은 폴리우레탄, 폴리에테르우레탄, 셀룰로오스 아세테이트, 셀룰로오스 아세테이트 부틸레이트, 셀룰로오스 아세테이트 프로피오네이트, 폴리메틸메스아크릴레이트(PMMA), 폴리메틸아크릴레이트(PMA), 폴리아크릴 공중합체, 폴리비닐아세테이트 (PVAc), 폴리비닐아세테이트 공중합체, 폴리비닐알콜(PVA), 폴리스티렌, 폴리스티렌 공중합체, 폴리에틸렌 옥사이드(PEO), 폴리프로필렌옥사이드(PPO), 폴리에틸렌옥사이드 공중합체, 폴리카보네이트(PC), 폴리비닐클로라이드(PVC), 폴리카프로락톤, 폴리비닐피롤리돈(PVP), 폴비닐폴루오라이드, 폴리비닐리덴폴루오라이드 공중합체 및 폴리아마이드로 이루어진 군으로부터 선택되는 단일물 또는 2종 이상의 혼합물을 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 13에 있어서,
상기 유기용매는 알코올계 용매를 포함하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 13에 있어서,
상기 UV 조사 단계는 실온에서, UV 파장 365nm, 출력 1000W 조건하에서 2분 내지 3분 동안 실시하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 1에 기재된 코어-쉘 구조의 수소 변색 나노입자; 및
선택적으로 폴리머, 에어로겔, 및 용매로 이루어진 군으로부터 선택된 적어도 하나의 부재를 추가로 포함하는 것을 특징으로 하는 수소 센서.
- 청구항 13에 있어서,
상기 전이금속 산화물은 텅스텐 산화물이며, 상기 텅스텐 산화물은,
파라텅스텐산 암모늄 수용액을 준비하는 단계;
상기 파라텅스텐산 암모늄 수용액에 염산을 투입하고 교반하여 텅스텐산 수용액을 제조하는 단계;
상기 텅스텐산 수용액에 과산화수소를 투입하여 퍼옥소-폴리텅스텐산 수용액을 제조하는 단계;
상기 퍼옥소-폴리텅스텐산 수용액을 오토클레이브에 투입하고 1차 열처리를 실시하는 단계;
반응 종결 후 상기 오토클레이브를 공냉하여 수화된 텅스텐 산화물을 석출시키는 단계;
상기 텅스텐 산화물을 수득하는 단계; 및
선택적으로 상기 얻어진 텅스텐 산화물을 2차 열처리를 실시하는 단계를 포함하여 제조되는 것인 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 18에 있어서,
상기 1차 열처리 단계는 내부 압력이 35 내지 50 bar를 유지하는 오토클레이브 내에서 160℃ 온도 조건하에서 실시하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
- 청구항 18에 있어서,
상기 2차 열처리 단계는 오토클레이브에 텅스텐 산화물을 재투입한 다음, 500℃ 온도 조건하에서 실시하는 것을 특징으로 하는 코어-쉘 구조의 수소 변색 나노입자 제조 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150123830A KR101745128B1 (ko) | 2015-09-01 | 2015-09-01 | 수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 |
US15/138,325 US20170059538A1 (en) | 2015-09-01 | 2016-04-26 | Chemochromic nanoparticles, method for manufacturing the same, and hydrogen sensor comprising the same |
EP16168950.0A EP3138630B1 (en) | 2015-09-01 | 2016-05-10 | Method for manufacturing a chemochromic nanoparticle |
CN201610320113.9A CN106483120B (zh) | 2015-09-01 | 2016-05-13 | 化学变色纳米颗粒、其制造方法和包括其的氢传感器 |
JP2016142559A JP6740043B2 (ja) | 2015-09-01 | 2016-07-20 | 水素変色ナノ粒子、この製造方法及びこれを含む水素センサ |
US16/508,930 US10921302B2 (en) | 2015-09-01 | 2019-07-11 | Method for manufacturing chemochromic nanoparticles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150123830A KR101745128B1 (ko) | 2015-09-01 | 2015-09-01 | 수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170027200A KR20170027200A (ko) | 2017-03-09 |
KR101745128B1 true KR101745128B1 (ko) | 2017-06-08 |
Family
ID=56178241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150123830A Active KR101745128B1 (ko) | 2015-09-01 | 2015-09-01 | 수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 |
Country Status (5)
Country | Link |
---|---|
US (2) | US20170059538A1 (ko) |
EP (1) | EP3138630B1 (ko) |
JP (1) | JP6740043B2 (ko) |
KR (1) | KR101745128B1 (ko) |
CN (1) | CN106483120B (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101872979B1 (ko) | 2018-02-21 | 2018-07-02 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
KR101933313B1 (ko) * | 2017-07-24 | 2019-03-15 | 아주대학교산학협력단 | 수소 가스 검출용 센서 및 이의 제조 방법 |
KR20190100829A (ko) * | 2018-04-30 | 2019-08-29 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
KR20220158312A (ko) * | 2021-05-24 | 2022-12-01 | 주식회사 대현에스티 | 수소 감지용 가스크로믹 나노복합체 소재, 이의 제조방법 및 이를 구비하는 수소 센서 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6442574B2 (ja) * | 2017-03-16 | 2018-12-19 | 太平洋セメント株式会社 | ナノ粒子集合体、ナノ粒子焼成物、及びこれらの製造方法 |
CN110612159A (zh) * | 2017-05-01 | 2019-12-24 | 帝斯曼知识产权资产管理有限公司 | 沉积pd纳米粒子的改进方法 |
RU181283U1 (ru) * | 2017-11-09 | 2018-07-09 | Александр Сергеевич Ильин | Полупроводниковый датчик водорода, работающий при комнатной температуре |
EP3702769A1 (en) | 2019-02-27 | 2020-09-02 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO | Capacitive hydrogen sensor |
CN110161019A (zh) * | 2019-04-17 | 2019-08-23 | 同济大学 | 一种室温下高灵敏氢气传感器及其制备方法 |
KR102242201B1 (ko) * | 2019-07-10 | 2021-04-19 | 아주대학교 산학협력단 | 수소 센서 및 이의 제조방법 |
CN111239125A (zh) * | 2020-03-06 | 2020-06-05 | 中国药科大学 | 一种利用二硫化铂的葡萄糖比色检测法 |
KR102589162B1 (ko) * | 2020-10-26 | 2023-10-16 | 한국생산기술연구원 | 변색형 수소센서의 제조방법 및 변색형 수소센서 |
CN112592708B (zh) * | 2020-11-18 | 2021-11-02 | 因士(上海)科技有限公司 | 一种氢敏可逆变色材料及其制备方法和应用 |
KR102289458B1 (ko) * | 2020-12-17 | 2021-08-12 | 주식회사 패리티 | 분말형 수소 감지 센서 |
CN113406155B (zh) * | 2021-06-23 | 2022-08-05 | 长春理工大学 | 氧化锡/多酸/氧化钨三层同轴纳米纤维气体传感材料及其制备方法 |
CN115505347A (zh) * | 2022-09-19 | 2022-12-23 | 北京中能航科科技有限公司 | 一种用于氢气泄漏检测的变色胶带及其制备方法 |
CN116943671B (zh) * | 2023-05-23 | 2025-07-18 | 合肥工业大学 | 一种催化糖类制备c2-c3小分子化学品的催化剂及其制备方法 |
CN117594361A (zh) * | 2023-12-11 | 2024-02-23 | 延安大学 | 一种核壳型三氧化钼@银@氧缺位三氧化钨@聚苯胺复合薄膜的制备方法和应用 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4264421A (en) * | 1979-05-30 | 1981-04-28 | Board Of Regents, University Of Texas System | Photocatalytic methods for preparing metallized powders |
CH666965A5 (de) * | 1983-08-30 | 1988-08-31 | Cerberus Ag | Verfahren zur herstellung von materialien fuer gassensoren. |
JP3189013B2 (ja) * | 1991-10-14 | 2001-07-16 | 石原産業株式会社 | ガス漏れ検知用顔料およびその製造方法 |
US7910373B2 (en) | 2000-05-05 | 2011-03-22 | Alliance For Sustainable Energy, Llc | H2O doped WO3, ultra-fast, high-sensitivity hydrogen sensors |
US6535658B1 (en) * | 2000-08-15 | 2003-03-18 | Optech Ventures, Llc | Hydrogen sensor apparatus and method of fabrication |
US7591984B2 (en) * | 2003-07-28 | 2009-09-22 | Los Alamos National Security, Llc | Preparation of tungsten oxide |
JP2005174869A (ja) * | 2003-12-15 | 2005-06-30 | Nissan Motor Co Ltd | タングステン担持電極触媒、該触媒を用いた触媒担持電極およびmea |
JP2005270864A (ja) * | 2004-03-25 | 2005-10-06 | Nissan Motor Co Ltd | 燃料電池電極触媒体とその製法 |
JP2005345338A (ja) * | 2004-06-04 | 2005-12-15 | Matsushita Electric Ind Co Ltd | 水素ガス検知用塗膜顔料、水素ガス検知用塗膜、及び水素ガス検知テープ |
JP2006292451A (ja) * | 2005-04-07 | 2006-10-26 | Hitachi Cable Ltd | 光学式ガスセンサおよびその製造方法 |
US7660191B2 (en) * | 2005-07-12 | 2010-02-09 | Westerngeco L.L.C. | Methods and apparatus for acquisition of marine seismic data |
US7318694B2 (en) | 2005-07-26 | 2008-01-15 | Allen Alexander | Apparatus for securing objects to vehicles or trailers |
US20070251822A1 (en) * | 2005-09-02 | 2007-11-01 | William Hoagland | Visual hydrogen sensors using nanoparticles |
JP4775708B2 (ja) * | 2006-04-04 | 2011-09-21 | 独立行政法人日本原子力研究開発機構 | 水素ガス検知材とその被膜方法 |
DE102007001129A1 (de) * | 2007-01-04 | 2008-07-10 | Süd-Chemie AG | Katalysator zur Oxidation von Kohlenwasserstoffen |
JP2009078946A (ja) * | 2007-09-26 | 2009-04-16 | Fujifilm Corp | コア−シェル型金属酸化物粒子及びその製造方法 |
US8293178B2 (en) | 2007-11-06 | 2012-10-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Chemochromic detector for sensing gas leakage and process for producing the same |
US8003055B1 (en) * | 2008-02-27 | 2011-08-23 | University Of Central Florida Research Foundation, Inc. | Visual hydrogen detector with variable reversibility |
KR100987324B1 (ko) | 2008-05-02 | 2010-10-12 | 서강대학교산학협력단 | 내구성이 개선된 수소센서용 가스채색 박막 및 이를포함하는 수소센서 |
WO2010005467A2 (en) | 2008-07-09 | 2010-01-14 | Micropoint Bioscience Inc | Analytical cartridge with fluid flow control |
JP2011005475A (ja) * | 2009-05-29 | 2011-01-13 | Sumitomo Chemical Co Ltd | 光触媒体分散液およびそれを用いた光触媒機能製品 |
CN101585006A (zh) * | 2009-06-26 | 2009-11-25 | 上海大学 | 提高金属氧化物半导体材料光催化性能的方法 |
US8048384B1 (en) | 2010-08-31 | 2011-11-01 | University Of Central Florida Research Foundation, Inc. | Chemochromic hydrogen sensors |
CN103140974B (zh) * | 2010-09-28 | 2016-01-20 | 丰田自动车株式会社 | 燃料电池电催化剂 |
KR101282768B1 (ko) | 2010-12-21 | 2013-07-05 | 서강대학교산학협력단 | 수소 검출 장치 및 이를 위한 센서 제조 방법 |
WO2013013704A1 (en) * | 2011-07-25 | 2013-01-31 | Toyota Motor Europe Nv/Sa | Cost-effective core-shell catalyst with high electrochemical stability |
CN103420424B (zh) * | 2013-05-21 | 2015-05-20 | 新疆大学 | 棒状纳米三氧化钨及其催化合成己二酸的制备方法 |
GB201318846D0 (en) * | 2013-10-24 | 2013-12-11 | Univ London Queen Mary | Photocatalysts |
CN103558261B (zh) * | 2013-11-20 | 2015-12-30 | 厦门大学 | 一种室温氢气传感器的制备方法 |
CN104569051A (zh) * | 2014-11-13 | 2015-04-29 | 无锡信大气象传感网科技有限公司 | 一种氢气传感器的制作方法 |
KR101557611B1 (ko) * | 2015-03-20 | 2015-10-05 | 아주대학교산학협력단 | 수소 검출 센서 및 이의 제조방법 |
KR101734733B1 (ko) * | 2015-12-30 | 2017-05-11 | 현대자동차주식회사 | 산화몰리브덴 기반 색가변 수소 검출센서 및 그 제조방법 |
-
2015
- 2015-09-01 KR KR1020150123830A patent/KR101745128B1/ko active Active
-
2016
- 2016-04-26 US US15/138,325 patent/US20170059538A1/en not_active Abandoned
- 2016-05-10 EP EP16168950.0A patent/EP3138630B1/en active Active
- 2016-05-13 CN CN201610320113.9A patent/CN106483120B/zh active Active
- 2016-07-20 JP JP2016142559A patent/JP6740043B2/ja active Active
-
2019
- 2019-07-11 US US16/508,930 patent/US10921302B2/en active Active
Non-Patent Citations (3)
Title |
---|
A fiber-optic evanescent-wave hydrogen gas sensor using palladium-supported tungsten oxide(Sensors and Actuators B: Chemical, V.66, Issue1-3, pp.142-145.) |
Colouration process of colloidal tungsten oxide nanoparticles in the presence of hydrogen gas. Applied Surface Science 258(2012)pp.10089-10094.(2012.06.30.)* |
Eye-readable gasochromic and optical hydrogen gas sensor based on CuSPd(RSC Advances, Issue12. pp. 9029-9034.)(2014.12.31.) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101933313B1 (ko) * | 2017-07-24 | 2019-03-15 | 아주대학교산학협력단 | 수소 가스 검출용 센서 및 이의 제조 방법 |
KR101872979B1 (ko) | 2018-02-21 | 2018-07-02 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
WO2019164113A1 (ko) * | 2018-02-21 | 2019-08-29 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
US11313845B2 (en) | 2018-02-21 | 2022-04-26 | Daegu Gyeongbuk Institute Of Science And Technology | Hydrogen-detecting composite particles and manufacturing method thereof |
KR20190100829A (ko) * | 2018-04-30 | 2019-08-29 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
KR102087113B1 (ko) | 2018-04-30 | 2020-03-10 | 재단법인대구경북과학기술원 | 수소 감지 복합입자 및 이의 제조방법 |
KR20220158312A (ko) * | 2021-05-24 | 2022-12-01 | 주식회사 대현에스티 | 수소 감지용 가스크로믹 나노복합체 소재, 이의 제조방법 및 이를 구비하는 수소 센서 |
WO2022250231A1 (ko) * | 2021-05-24 | 2022-12-01 | 주식회사 대현에스티 | 수소 감지용 가스크로믹 나노복합체 소재, 이의 제조방법 및 이를 구비하는 수소 센서 |
KR102599282B1 (ko) * | 2021-05-24 | 2023-11-07 | 주식회사 대현에스티 | 수소 감지용 가스크로믹 나노복합체 소재, 이의 제조방법 및 이를 구비하는 수소 센서 |
Also Published As
Publication number | Publication date |
---|---|
EP3138630A1 (en) | 2017-03-08 |
US20170059538A1 (en) | 2017-03-02 |
JP2017049231A (ja) | 2017-03-09 |
JP6740043B2 (ja) | 2020-08-12 |
KR20170027200A (ko) | 2017-03-09 |
EP3138630B1 (en) | 2024-03-13 |
CN106483120B (zh) | 2021-05-11 |
US20190339239A1 (en) | 2019-11-07 |
US10921302B2 (en) | 2021-02-16 |
CN106483120A (zh) | 2017-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101745128B1 (ko) | 수소 변색 나노입자, 이의 제조 방법 및 이를 포함하는 수소 센서 | |
Kayani et al. | UV photochromism in transition metal oxides and hybrid materials | |
Ye et al. | A promising Ag2CrO4/LaFeO3 heterojunction photocatalyst applied to photo-Fenton degradation of RhB | |
Tong et al. | Oxygen vacancy defects boosted high performance p-type delafossite CuCrO2 gas sensors | |
Kandasamy et al. | Ni-doped SnO2 nanoparticles for sensing and photocatalysis | |
Wang et al. | A chelation strategy for in-situ constructing surface oxygen vacancy on {001} facets exposed BiOBr nanosheets | |
Udawatte et al. | Well-defined Au/ZnO nanoparticle composites exhibiting enhanced photocatalytic activities | |
Khan et al. | Hydrothermal preparation of Zn-doped In2O3 nanostructure and its microstructural, optical, magnetic, photocatalytic and dielectric behaviour | |
Boudiaf et al. | Synthesis and characterization of semiconductor CoAl2O4 for optical and dielectric studies: application to photodegradation of organic pollutants under visible light | |
Liu et al. | Near-infrared-driven selective photocatalytic removal of ammonia based on valence band recognition of an α-MnO2/N-doped graphene hybrid catalyst | |
Bano et al. | Preparation and study of ternary polypyrrole-tin oxide-chitin nanocomposites and their potential applications in visible light photocatalysis and sensors | |
Aleisa et al. | Rapid High‐Contrast Photoreversible Coloration of Surface‐Functionalized N‐Doped TiO2 Nanocrystals for Rewritable Light‐Printing | |
KR101704122B1 (ko) | 수소 검출 채색 센서 | |
Wannapop et al. | Highly orientated one-dimensional Cu2O/TiO2 heterostructure thin film for photoelectrochemical photoanode and photocatalytic degradation applications | |
Eskalen et al. | Investigating the PVA/TiO2/CDs polymer nanocomposites: effect of carbon dots for photocatalytic degradation of Rhodamine B | |
Ni et al. | Evolution of anodic product from molybdenum metal in absolute ethanol and humidity sensing under ambient conditions | |
Bhat et al. | Solvothermal synthesis of Fe doped MnSnO3: An approach of wide bandgap perovskite towards optical, luminescence, and electrochemical properties | |
Wang et al. | MOF-derived NiWO4@ NiO pp heterostructure for distinguish detection of TEA and xylene by temperature regulation | |
Raghupathy et al. | Photocatalytic degradation of direct green & fast orange red dyes: Electrochemical sensor of lead using cupric oxide nanoparticles synthesized via sonochemical route | |
Islam et al. | Novel NiO/ZnO/Fe2O3 white light-emitting phosphor: facile synthesis, color-tunable photoluminescence and robust photocatalytic activity | |
Ahmed et al. | Visible light-triggered smart photoreversible color switching systems based on VOx QDs for constructing smart corrosion resistant coatings on AA2024-T3 | |
Asha et al. | Green synthesis of calcium oxide nanoparticles using Ocimum sanctum leaf extracts: photocatalytic and electrochemical sensor applications | |
Ding et al. | Boosting visible photocatalytic degradation of 2, 4-dichlorophenol and phenol efficiency by stable core@ shell hybrid Ag3PO4@ polypyrrole | |
Kaur et al. | A facile route to ionic liquids-functionalized ZnO nanorods for the fluorometric sensing of thiabendazole drug | |
Yamazaki et al. | Photochromism of TiO2 Nanoparticles Doped with Molybdenum Ions: Neutral Color Change from Colorless to Black via Gray |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20150901 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20160913 Patent event code: PE09021S01D |
|
E90F | Notification of reason for final refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Final Notice of Reason for Refusal Patent event date: 20170213 Patent event code: PE09021S02D |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20170417 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20170601 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20170601 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20210527 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20230525 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20240527 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20250526 Start annual number: 9 End annual number: 9 |