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Received December 8, 2010
Accepted December 23, 2010
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효율적인 가시광 활성 음이온 도핑 광촉매

Efficient Visible Light Activated Anion Doped Photocatalysts

펜실베니아주립대학교 화학과, PA 16802, 미국
Department of Chemistry, the Pennsylvania State University, PA 16802, USA
sui1@psu.edu
Korean Chemical Engineering Research, October 2011, 49(5), 505-509(5), NONE Epub 30 September 2011
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Abstract

가시광 영역에서 활성을 보이는 광촉매는 태양광을 이용한 광촉매분해, CO2 변환을 위한 융합 시스템과 물로부터 수소를 생산하는 분야에 있어서의 높은 실현 가능성 때문에 최근 많은 주목을 받고 있다. 현재의 합성방법은 높은 비용과 비재현성, 도핑 물질의 양을 조절하는 어려움 그리고 대량 생산의 불안정성 때문에 상용화의 어려움을 격고 있다. 본 총설에서는 케임브리지 대학 Lambert 그룹에서 개발된 재현가능하고 컨트롤이 용이한 자연광 활성 음이온 도핑 TiO2 광촉매에 관해서 요약하였다.
Visible light-activated photocatalysts (based on doped titania) are the subject of intensive current research due to the promise they offer in relation to solar powered systems for photocatalysis, hybrid systems for CO2 conversion and hydrogen production from water. Current synthetic methodologies suffer from one or more serious shortcomings, which seriously hinder practical application. These include high cost, irreproducibility, difficulty in controlling the dopant level and unsuitability for scale up. In this review new reproducible and controllable methods (developed by Lambert group, Cambridge University) allowing the synthesis of practical quantities of efficient, visible light active anion (e.g. N, C and B) doped TiO2 photocatalysts are summarized.

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