[go: up one dir, main page]

Ko et al., 2016 - Google Patents

Electrochemical fabrication of nanostructures on porous silicon for biochemical sensing platforms

Ko et al., 2016

View PDF
Document ID
8349128904767339527
Author
Ko E
Hwang J
Kim J
Lee J
Lee S
Tran V
Chung W
Park C
Choo J
Seong G
Publication year
Publication venue
Analytical Sciences

External Links

Snippet

We present a method for the electrochemical patterning of gold nanoparticles (AuNPs) or silver nanoparticles (AgNPs) on porous silicon, and explore their applications in:(1) the quantitative analysis of hydroxylamine as a chemical sensing electrode and (2) as a highly …
Continue reading at www.jstage.jst.go.jp (PDF) (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N21/658Raman scattering enhancement Raman, e.g. surface plasmons
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/04Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/28Electrolytic cell components
    • G01N27/30Electrodes, e.g. test electrodes; Half-cells
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403Cells and electrode assemblies
    • G01N27/404Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
    • G01N27/4045Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036Specially adapted to detect a particular component
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N2021/653Coherent methods [CARS]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416Systems
    • G01N27/42Measuring disposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
    • G01N27/423Coulometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55Specular reflectivity
    • G01N21/552Attenuated total reflection
    • G01N21/553Attenuated total reflection and using surface plasmons
    • G01N21/554Attenuated total reflection and using surface plasmons detecting the surface plasmon resonance of nanostructured metals, e.g. localised surface plasmon resonance

Similar Documents

Publication Publication Date Title
Green et al. SERS substrates fabricated by island lithography: the silver/pyridine system
Harraz et al. Surface-enhanced Raman scattering (SERS)-active substrates from silver plated-porous silicon for detection of crystal violet
Ko et al. Electrochemical fabrication of nanostructures on porous silicon for biochemical sensing platforms
Wang et al. Highly ordered Au-Ag alloy arrays with tunable morphologies for surface enhanced Raman spectroscopy
US20090201496A1 (en) Surface-enhanced raman scattering based on nanomaterials as substrate
Kavitha et al. Low-cost electrochemical detection of L-tyrosine using an rGO–Cu modified pencil graphite electrode and its surface orientation on a Ag electrode using an ex situ spectroelectrochemical method
Chen et al. Silver nanowires on coffee filter as dual-sensing functionality for efficient and low-cost SERS substrate and electrochemical detection
Viswanathan et al. Bi-functional sensing capability of gold multi-pod network nanostructures towards nitrite and guanine
Huang et al. Island-like nanoporous gold: smaller island generates stronger surface-enhanced Raman scattering
CN104911667A (en) Preparation method of novel multilayer composite noble metal nanopore array SERS substrate with honeycomb-shaped array structure
Atapour et al. Integrated optical and electrochemical detection of Cu 2+ ions in water using a sandwich amino acid–gold nanoparticle-based nano-biosensor consisting of a transparent-conductive platform
CN107937957B (en) Preparation method of surface-enhanced Raman substrate and use of the substrate for detection of animal virus
Xiang et al. Gold nanoparticles/electrochemically expanded graphite composite: A bifunctional platform toward glucose sensing and SERS applications
Gonchar et al. Structural and optical properties of silicon nanowire arrays fabricated by metal assisted chemical etching with ammonium fluoride
Hu et al. Preparation and SERS performance of gold nanoparticles-decorated patterned silicon substrate
Zhang et al. Three-dimensional gallium nitride nanoflowers supports decorated by gold or silver nanoparticles to fabricate surface-enhanced Raman scattering substrates
Huang et al. Facet-specific heterojunction in gold-decorated pyramidal silicon for electrochemical hydrogen peroxide sensing
Wang et al. Improvement of SERS by the optical modulation of photonic crystal
Ueda et al. Iodine adlayer mediated gold electrooxidation in bis (trifluoromethylsulfonyl) amide-based ionic liquids
Wu et al. Bovine serum albumin fibrous biofilm template synthesis of metallic nanomeshes for surface-enhanced Raman scattering and electrocatalytic detection
Oriňáková et al. Electrochemical deposition of SERS active nanostructured silver films
Martínez et al. Electrochemical analysis of gold embroidery threads from archeological textiles
He et al. Chemical deposition of Ag nanostructures on polypyrrole films as active SERS substrates
Harraz et al. Organic analytes sensitivity in meso-porous silicon electrical sensor with front side and backside contacts
CN105277524A (en) Disposable surface-enhanced Raman spectroscopy chip and preparation method