JP2008064674A - SnO2ガスセンサの製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims description 16
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 title description 8
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 239000000693 micelle Substances 0.000 claims description 76
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 67
- 239000000243 solution Substances 0.000 claims description 43
- 239000000843 powder Substances 0.000 claims description 17
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 230000002378 acidificating effect Effects 0.000 claims description 13
- 230000003197 catalytic effect Effects 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 9
- 150000004692 metal hydroxides Chemical class 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 4
- CVNKFOIOZXAFBO-UHFFFAOYSA-J tin(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Sn+4] CVNKFOIOZXAFBO-UHFFFAOYSA-J 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 125000005208 trialkylammonium group Chemical group 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910017604 nitric acid Inorganic materials 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- -1 organic acid salt Chemical class 0.000 description 6
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 6
- GSGDTSDELPUTKU-UHFFFAOYSA-N nonoxybenzene Chemical compound CCCCCCCCCOC1=CC=CC=C1 GSGDTSDELPUTKU-UHFFFAOYSA-N 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- 229910052747 lanthanoid Inorganic materials 0.000 description 2
- 150000002602 lanthanoids Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000000024 high-resolution transmission electron micrograph Methods 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
【構成】 Sn(OH)6 2−を内包する逆ミセル溶液に硝酸の逆ミセル溶液を混合して、逆ミセル内にSn(OH)4を析出させる。次いで、Pd2+を内包する逆ミセル溶液を混合し、Sn(OH)4上にPd(OH)2を析出させる。Pd(OH)2を析出させたSn(OH)4を分離、洗浄乾燥し、焼成してSnO2とする。
【効果】 SnO2に、均一に触媒を担持させることができる。
【選択図】 図1
Description
なお特許文献1は逆ミセル法により酸化ジルコニウムを調製することを開示しているが、逆ミセル法によりSnO2に触媒を添加することを開示していない。
触媒中の金属成分(触媒金属)の種類は貴金属に限らず、遷移金属やランタニド、3価あるいは4価の典型金属とし、Snは含めない。
Claims (3)
- Sn(OH)6 2−イオンをアルカリ性の逆ミセル中に含有する逆ミセル溶液と、触媒金属イオンを酸性の逆ミセル中に含有する逆ミセル溶液とを混合することにより、逆ミセル中でSn(OH)4上に触媒金属の水酸化物を析出させた混合逆ミセル溶液とし、
次いで触媒金属の水酸化物を析出させたSn(OH)4を混合逆ミセル溶液から分離、乾燥して、触媒を担持させたSnO2もしくは水酸化スズの粉体とし、
該粉体を電極と接続した形状に成形・焼成してガスセンサとする、SnO2ガスセンサの製造方法。 - Sn(OH)6 2−イオンをアルカリ性の逆ミセル中に含有する逆ミセル溶液と、酸性逆ミセルの逆ミセル溶液とを混合して、Sn(OH)4を逆ミセル中に析出させた混合逆ミセル溶液とし、
該混合逆ミセル溶液と、触媒金属イオンを酸性の逆ミセル中に含有する逆ミセル溶液とを混合することにより、逆ミセル中でSn(OH)4上に触媒金属の水酸化物を析出させた第2の混合逆ミセル溶液とし、
次いで触媒金属の水酸化物を析出させたSn(OH)4を第2の混合逆ミセル溶液から分離、乾燥して、触媒を担持させたSnO2もしくは水酸化スズの粉体とし、
該粉体を電極と接続した形状に成形・焼成してガスセンサとする、SnO2ガスセンサの製造方法。 - Sn(OH)6 2−イオンをアルカリ性の逆ミセル中に含有する逆ミセル溶液を、4価のSnの有機酸塩を水酸化テトラアルキルアンモニウムもしくはトリアルキルアンモニウムで水に溶解して、Sn(OH)6 2−イオンを含む水溶液とし、該水溶液を界面活性剤と疎水性の有機溶媒との混合物中に分散させることにより調製することを特徴とする、請求項1または2のSnO2ガスセンサの製造方法。
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JP2006244356A JP4794398B2 (ja) | 2006-09-08 | 2006-09-08 | SnO2ガスセンサの製造方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010032343A (ja) * | 2008-07-29 | 2010-02-12 | Figaro Eng Inc | SnO2ガスセンサの製造方法と、貴金属ナノ粒子を担持したSnO2の製造方法 |
WO2010024387A1 (ja) * | 2008-08-29 | 2010-03-04 | 北陸電気工業株式会社 | ガスセンサ用金属酸化物半導体材料の製造方法 |
JP2010112708A (ja) * | 2008-11-04 | 2010-05-20 | Riken Keiki Co Ltd | 接触燃焼式ガスセンサ |
JP2011112359A (ja) * | 2009-11-24 | 2011-06-09 | Figaro Engineerign Inc | SnO2ガスセンサの製造方法 |
JP2016017760A (ja) * | 2014-07-04 | 2016-02-01 | 国立研究開発法人産業技術総合研究所 | センサ及び構造体 |
JP2016105112A (ja) * | 2016-02-29 | 2016-06-09 | フィガロ技研株式会社 | 金属酸化物半導体ガスセンサ |
CN112924498A (zh) * | 2021-01-22 | 2021-06-08 | 华中科技大学 | 一种钯单原子修饰的氧化锡复合材料及其制备方法和应用 |
JP2021196176A (ja) * | 2020-06-09 | 2021-12-27 | アルプスアルパイン株式会社 | 感ガス材料、感ガス材料の製造方法及びガス濃度測定装置 |
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JP2003334446A (ja) * | 2002-05-17 | 2003-11-25 | National Institute Of Advanced Industrial & Technology | 可視光感応性光触媒、その製造方法及びその触媒を用いる水素発生方法 |
JP2005257457A (ja) * | 2004-03-11 | 2005-09-22 | Nissan Motor Co Ltd | ガスセンサ |
JP2008020411A (ja) * | 2006-07-14 | 2008-01-31 | Ritsumeikan | 酸化錫系ガスセンサの製造方法及び酸化錫系ガスセンサ |
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2006
- 2006-09-08 JP JP2006244356A patent/JP4794398B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003334446A (ja) * | 2002-05-17 | 2003-11-25 | National Institute Of Advanced Industrial & Technology | 可視光感応性光触媒、その製造方法及びその触媒を用いる水素発生方法 |
JP2005257457A (ja) * | 2004-03-11 | 2005-09-22 | Nissan Motor Co Ltd | ガスセンサ |
JP2008020411A (ja) * | 2006-07-14 | 2008-01-31 | Ritsumeikan | 酸化錫系ガスセンサの製造方法及び酸化錫系ガスセンサ |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010032343A (ja) * | 2008-07-29 | 2010-02-12 | Figaro Eng Inc | SnO2ガスセンサの製造方法と、貴金属ナノ粒子を担持したSnO2の製造方法 |
WO2010024387A1 (ja) * | 2008-08-29 | 2010-03-04 | 北陸電気工業株式会社 | ガスセンサ用金属酸化物半導体材料の製造方法 |
JP5113908B2 (ja) * | 2008-08-29 | 2013-01-09 | 北陸電気工業株式会社 | ガスセンサ用金属酸化物半導体材料の製造方法 |
US8529799B2 (en) | 2008-08-29 | 2013-09-10 | Hokuriku Electric Industry Co., Ltd. | Manufacturing method of metal oxide semiconductor material for gas sensor |
JP2010112708A (ja) * | 2008-11-04 | 2010-05-20 | Riken Keiki Co Ltd | 接触燃焼式ガスセンサ |
JP2011112359A (ja) * | 2009-11-24 | 2011-06-09 | Figaro Engineerign Inc | SnO2ガスセンサの製造方法 |
JP2016017760A (ja) * | 2014-07-04 | 2016-02-01 | 国立研究開発法人産業技術総合研究所 | センサ及び構造体 |
JP2016105112A (ja) * | 2016-02-29 | 2016-06-09 | フィガロ技研株式会社 | 金属酸化物半導体ガスセンサ |
JP2021196176A (ja) * | 2020-06-09 | 2021-12-27 | アルプスアルパイン株式会社 | 感ガス材料、感ガス材料の製造方法及びガス濃度測定装置 |
JP7438030B2 (ja) | 2020-06-09 | 2024-02-26 | アルプスアルパイン株式会社 | 感ガス材料、感ガス材料の製造方法及びガス濃度測定装置 |
CN112924498A (zh) * | 2021-01-22 | 2021-06-08 | 华中科技大学 | 一种钯单原子修饰的氧化锡复合材料及其制备方法和应用 |
CN112924498B (zh) * | 2021-01-22 | 2022-04-01 | 华中科技大学 | 一种钯单原子修饰的氧化锡复合材料及其制备方法和应用 |
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