JP4469975B2 - 光触媒複合体およびこれを用いた有機物質変換方法 - Google Patents
光触媒複合体およびこれを用いた有機物質変換方法 Download PDFInfo
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- 239000011941 photocatalyst Substances 0.000 title claims description 66
- 238000000034 method Methods 0.000 title claims description 36
- 238000006243 chemical reaction Methods 0.000 title claims description 19
- 239000002131 composite material Substances 0.000 title claims description 5
- 125000000962 organic group Chemical group 0.000 claims description 51
- 230000001699 photocatalysis Effects 0.000 claims description 31
- 239000011148 porous material Substances 0.000 claims description 31
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 27
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 239000004408 titanium dioxide Substances 0.000 claims description 14
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- 150000004706 metal oxides Chemical class 0.000 claims description 5
- -1 n-octyl group Chemical group 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 45
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- 238000000746 purification Methods 0.000 description 8
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
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- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
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- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- MSRJTTSHWYDFIU-UHFFFAOYSA-N octyltriethoxysilane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
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- 229910004283 SiO 4 Inorganic materials 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 229910002367 SrTiO Inorganic materials 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- GLMOMDXKLRBTDY-UHFFFAOYSA-A [V+5].[V+5].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O Chemical compound [V+5].[V+5].[V+5].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GLMOMDXKLRBTDY-UHFFFAOYSA-A 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
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- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
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- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 229910052901 montmorillonite Inorganic materials 0.000 description 1
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- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Description
本実施例の光触媒複合体の製造方法を説明する。なお、本実施例の製造方法は非特許文献2に記載のTiO2を担持する多孔体の製造方法にしたがっている。
上記のように製造したTiO2−MCM−41(比較例)とC8−TiO2−MCM−41とについて、吸着特性の違いを測定した。
上記した製造方法で製造したTiO2−MCM−41(比較例)とC8−TiO2−MCM−41とについて、吸着性と光触媒活性を測定した。
次に、上記した製造方法で製造したC8−TiO2−MCM−41について、光触媒を作用させるために紫外線を照射した後も有機基が保持されるかを調べた。
Claims (10)
- 多孔体の細孔表面に、光触媒活性をもつ光触媒物質と、有機基とが固定されており、かつ当該有機基は、多孔体の細孔表面において、光触媒物質とは別の領域に固定されていることを特徴とする光触媒複合体。
- 上記多孔体がシリカ系多孔体であることを特徴とする請求項1に記載の光触媒複合体。
- 上記光触媒物質が金属酸化物であることを特徴とする請求項1または2に記載の光触媒複合体。
- 上記光触媒物質が二酸化チタンであることを特徴とする請求項1から3のいずれか1項に記載の光触媒複合体。
- 上記有機基がアルキル基であることを特徴とする請求項1から4のいずれか1項に記載の光触媒複合体。
- 上記アルキル基が炭素数が1から18の飽和アルキル基であることを特徴とする請求項5に記載の光触媒複合体。
- 上記飽和アルキル基がn−オクチル基であることを特徴とする請求項6に記載の光触媒複合体。
- 上記多孔体が、直径5000nm以下の細孔を有することを特徴とする請求項1から7のいずれか1項に記載の光触媒複合体。
- 請求項1から8のいずれか1項に記載の光触媒複合体を試料液と接触させ、当該光触媒複合体に上記光触媒物質を活性化する波長領域の光を照射することにより、当該試料液中の有機物質を反応させることを特徴とする有機物質変換方法。
- 上記有機物質が一分子中に親水基と疎水基を併せ持つ化合物であることを特徴とする請求項9に記載の有機物質変換方法。
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JP4849862B2 (ja) * | 2005-10-14 | 2012-01-11 | 株式会社きもと | 新規ヘテロポリ酸塩、それを用いた光触媒、及び光触媒機能性部材 |
WO2008032459A1 (en) * | 2006-09-13 | 2008-03-20 | Japan Science And Technology Agency | Acid catalyst having organic group bound thereto |
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