KR100691585B1 - 가시광에 감응하는 백금이온이 도핑된 이산화티탄 광촉매의제조 방법 - Google Patents
가시광에 감응하는 백금이온이 도핑된 이산화티탄 광촉매의제조 방법 Download PDFInfo
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- KR100691585B1 KR100691585B1 KR1020050124619A KR20050124619A KR100691585B1 KR 100691585 B1 KR100691585 B1 KR 100691585B1 KR 1020050124619 A KR1020050124619 A KR 1020050124619A KR 20050124619 A KR20050124619 A KR 20050124619A KR 100691585 B1 KR100691585 B1 KR 100691585B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
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Abstract
Description
Claims (7)
- TiO2 광촉매의 제조 방법에 있어서,(a)백금이온(Pt-ion) 전구체를 함유한 용액과 이산화티탄(TiO2) 전구체를 함유한 용액을 교반하여 TiO2 격자 내에 백금이온을 도핑시켜, 졸(sol) 상태의 백금이온이 도핑된 TiO2를 형성하는 단계;(b)상기 졸 상태의 백금이온이 도핑된 TiO2를 감압 증발시켜 분말화된 상태의 백금이온이 도핑된 TiO2를 형성하는 단계; 및(c)상기 분말화된 백금이온이 도핑된 TiO2를 소성시키는 단계를 포함하는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제1항에 있어서, 상기 백금이온은,티타늄 원자수 대비 0.1% 내지 5%의 비율로 상기 TiO2 격자 내에 도핑되는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제1항에 있어서, 상기 (c)단계는100℃ 내지 500℃에서 4시간동안 이루어지는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제1항에 있어서, 상기 (a)단계는(a1)염화백금산(H2PtCl6)을 물에 녹이고, 질산을 첨가하는 단계; 및(a2)상기 (a1)단계에서 형성된 용액에 티타늄 테트라이소프로폭사이드(TTIP)를 에탄올에 녹인 용액을 떨어뜨려 교반시키는 단계를 포함하는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제4항에 있어서, 상기 (a1)단계는상기 질산 첨가 후, pH가 1.5로 유지되는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제4항에 있어서, 상기 (a2)단계는12시간동안 진행되는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
- 제1항에 있어서, 상기 (b)단계는70℃에서 진행되는 것을 특징으로 하는 가시광에 감응하는 백금이온이 도핑된 TiO2 광촉매의 제조 방법.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101046313B1 (ko) | 2011-02-14 | 2011-07-05 | (주)엔지텍 | 나노금속 담지 금속산화물 촉매 제조방법 및 이에 의해 제조된 나노금속 담지 금속산화물 촉매 |
KR101046314B1 (ko) | 2011-02-14 | 2011-07-05 | (주)엔지텍 | 나노금속 담지 금속산화물 촉매 분말을 이용한 항균/탈취 흡착제의 제조방법 및 이에 의해 제조된 항균/탈취 흡착제 |
CN102181825A (zh) * | 2011-03-10 | 2011-09-14 | 中国科学院上海硅酸盐研究所 | 籽晶层辅助的高性能TiO2基透明导电薄膜及制备方法 |
KR101548296B1 (ko) * | 2013-12-23 | 2015-08-28 | 인하대학교 산학협력단 | 이종 전이금속으로 도핑된 이산화티타늄의 제조방법 |
KR20210070090A (ko) * | 2019-12-04 | 2021-06-14 | 단국대학교 천안캠퍼스 산학협력단 | 첨가제를 사용하지 않는 금속 도핑 광촉매 나노입자의 제조방법 |
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JP2004073910A (ja) | 2002-08-09 | 2004-03-11 | Ishihara Sangyo Kaisha Ltd | 可視光応答型光触媒及びその製造方法並びにそれを用いた光触媒体 |
KR20040036464A (ko) * | 2002-10-26 | 2004-04-30 | 한국과학기술원 | 티타니아계 촉매의 제조방법 |
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Patent Citations (2)
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JP2004073910A (ja) | 2002-08-09 | 2004-03-11 | Ishihara Sangyo Kaisha Ltd | 可視光応答型光触媒及びその製造方法並びにそれを用いた光触媒体 |
KR20040036464A (ko) * | 2002-10-26 | 2004-04-30 | 한국과학기술원 | 티타니아계 촉매의 제조방법 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101046313B1 (ko) | 2011-02-14 | 2011-07-05 | (주)엔지텍 | 나노금속 담지 금속산화물 촉매 제조방법 및 이에 의해 제조된 나노금속 담지 금속산화물 촉매 |
KR101046314B1 (ko) | 2011-02-14 | 2011-07-05 | (주)엔지텍 | 나노금속 담지 금속산화물 촉매 분말을 이용한 항균/탈취 흡착제의 제조방법 및 이에 의해 제조된 항균/탈취 흡착제 |
CN102181825A (zh) * | 2011-03-10 | 2011-09-14 | 中国科学院上海硅酸盐研究所 | 籽晶层辅助的高性能TiO2基透明导电薄膜及制备方法 |
CN102181825B (zh) * | 2011-03-10 | 2013-03-13 | 中国科学院上海硅酸盐研究所 | 籽晶层辅助的高性能TiO2基透明导电薄膜及制备方法 |
KR101548296B1 (ko) * | 2013-12-23 | 2015-08-28 | 인하대학교 산학협력단 | 이종 전이금속으로 도핑된 이산화티타늄의 제조방법 |
KR20210070090A (ko) * | 2019-12-04 | 2021-06-14 | 단국대학교 천안캠퍼스 산학협력단 | 첨가제를 사용하지 않는 금속 도핑 광촉매 나노입자의 제조방법 |
KR102302940B1 (ko) | 2019-12-04 | 2021-09-16 | 단국대학교 천안캠퍼스 산학협력단 | 첨가제를 사용하지 않는 금속 도핑 광촉매 나노입자의 제조방법 |
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