JP2012205998A - 光触媒複合材料 - Google Patents
光触媒複合材料 Download PDFInfo
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- JP2012205998A JP2012205998A JP2011072534A JP2011072534A JP2012205998A JP 2012205998 A JP2012205998 A JP 2012205998A JP 2011072534 A JP2011072534 A JP 2011072534A JP 2011072534 A JP2011072534 A JP 2011072534A JP 2012205998 A JP2012205998 A JP 2012205998A
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- semiconductor material
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- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 89
- 239000004065 semiconductor Substances 0.000 claims abstract description 83
- 239000007769 metal material Substances 0.000 claims abstract description 46
- 239000010931 gold Substances 0.000 claims abstract description 29
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 18
- 229910021332 silicide Inorganic materials 0.000 claims abstract description 16
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 229910052737 gold Inorganic materials 0.000 claims abstract description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000001699 photocatalysis Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- 229910006585 β-FeSi Inorganic materials 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 15
- 238000006722 reduction reaction Methods 0.000 claims description 15
- SCCCLDWUZODEKG-UHFFFAOYSA-N germanide Chemical compound [GeH3-] SCCCLDWUZODEKG-UHFFFAOYSA-N 0.000 claims description 13
- 239000000376 reactant Substances 0.000 claims description 13
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000010944 silver (metal) Substances 0.000 claims description 5
- 238000013032 photocatalytic reaction Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 18
- 239000001257 hydrogen Substances 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 13
- 238000000354 decomposition reaction Methods 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 230000009467 reduction Effects 0.000 description 8
- 229910010413 TiO 2 Inorganic materials 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 229960000907 methylthioninium chloride Drugs 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000007740 vapor deposition Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- -1 hydrogen ions Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000027756 respiratory electron transport chain Effects 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002923 metal particle Substances 0.000 description 3
- 230000004043 responsiveness Effects 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910005329 FeSi 2 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical group 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000001443 photoexcitation Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
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Abstract
【解決手段】光触媒複合材料は、シリコン、ゲルマニウム、シリサイド及びゲルマサイドからなる群から選択された少なくとも1種の半導体材料3と、金等の金属材料2との複合材料であって、金属材料2が半導体材料3の表面及び内部の少なくとも一部に、粒状又は板状の形態で分散されている。
【選択図】図1
Description
2:金属材料
3:半導体材料
Claims (6)
- シリコン、ゲルマニウム、シリサイド及びゲルマサイドからなる群から選択された少なくとも1種の半導体材料と金属材料との複合材料であって、前記金属材料が前記半導体材料の表面及び内部の少なくとも一部に、粒状及び板状の少なくとも1種の形態で分散されており、前記半導体材料と前記金属材料との複合化により、バンド・ギャップが前記半導体材料単独の場合より広がっていることを特徴とする光触媒複合材料。
- 前記半導体材料は、粉末、微粒子及び板状からなる群から選択された少なくとも一種の形態で存在していることを特徴とする請求項1に記載の光触媒複合材料。
- 前記金属材料は、金、銀、銅及び白金からなる群から選択された少なくとも1種であることを特徴とする請求項1又は2に記載の光触媒複合材料。
- 光触媒反応により反応を起こさせようとする反応物質の還元反応の標準電極電位をE1、酸化反応の標準電極電位をE2とし、半導体材料の伝導体の標準電極電位をe1、価電子体の標準電極電位をe2としたとき、前記半導体材料に、その価電子体の標準電極電位e2よりも正電位側に高い標準電極電位e3をもつ金属材料を付着させ、e1〜e3のバンド・ギャップをもつ半導体材料と金属材料との複合材料としたことを特徴とする光触媒複合材料。
- 前記反応物質が水であり、前記半導体材料がβ−FeSi2、シリコン、ゲルマニウム、シリサイド又はゲルマサイドであり、前記金属材料がAuであることを特徴とする請求項4に記載の光触媒複合材料。
- 前記反応物質がメチルアルコールであり、前記半導体材料がβ−FeSi2、シリコン、ゲルマニウム、シリサイド又はゲルマサイドであり、前記金属材料がAu、Pt又はAgであることを特徴とする請求項4に記載の光触媒複合材料。
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JP2011072534A JP5906513B2 (ja) | 2011-03-29 | 2011-03-29 | 光触媒複合材料 |
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JP2011072534A JP5906513B2 (ja) | 2011-03-29 | 2011-03-29 | 光触媒複合材料 |
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JP2012205998A true JP2012205998A (ja) | 2012-10-25 |
JP5906513B2 JP5906513B2 (ja) | 2016-04-20 |
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JP2011072534A Active JP5906513B2 (ja) | 2011-03-29 | 2011-03-29 | 光触媒複合材料 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087759A1 (ja) * | 2012-12-07 | 2014-06-12 | 株式会社豊田自動織機 | 光学選択膜 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09225320A (ja) * | 1995-04-14 | 1997-09-02 | Sekisui Chem Co Ltd | 多孔質マイクロカプセル状光触媒体 |
JPH11138018A (ja) * | 1997-11-10 | 1999-05-25 | Nippon Germanium Kenkyusho:Kk | 半導体触媒 |
JP2004230314A (ja) * | 2003-01-31 | 2004-08-19 | Japan Atom Energy Res Inst | 貴金属被覆光触媒 |
JP2007281411A (ja) * | 2006-03-17 | 2007-10-25 | Univ Of Tokyo | β−FeSi2形成方法及び電子デバイス作成方法 |
JP2009207485A (ja) * | 2008-02-10 | 2009-09-17 | Univ Of Miyazaki | 光触媒を使ったバイオマス由来の燃料および/または燃料前駆体の製造方法 |
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2011
- 2011-03-29 JP JP2011072534A patent/JP5906513B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09225320A (ja) * | 1995-04-14 | 1997-09-02 | Sekisui Chem Co Ltd | 多孔質マイクロカプセル状光触媒体 |
JPH11138018A (ja) * | 1997-11-10 | 1999-05-25 | Nippon Germanium Kenkyusho:Kk | 半導体触媒 |
JP2004230314A (ja) * | 2003-01-31 | 2004-08-19 | Japan Atom Energy Res Inst | 貴金属被覆光触媒 |
JP2007281411A (ja) * | 2006-03-17 | 2007-10-25 | Univ Of Tokyo | β−FeSi2形成方法及び電子デバイス作成方法 |
JP2009207485A (ja) * | 2008-02-10 | 2009-09-17 | Univ Of Miyazaki | 光触媒を使ったバイオマス由来の燃料および/または燃料前駆体の製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014087759A1 (ja) * | 2012-12-07 | 2014-06-12 | 株式会社豊田自動織機 | 光学選択膜 |
JP2014114996A (ja) * | 2012-12-07 | 2014-06-26 | Toyota Industries Corp | 光学選択膜 |
US9970684B2 (en) | 2012-12-07 | 2018-05-15 | Kabushiki Kaisha Toyota Jidoshokki | Optical selective film |
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JP5906513B2 (ja) | 2016-04-20 |
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