化工进展

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ABO3钙钛矿型复合氧化物光催化剂设计评述

李红花,汪 浩,严 辉   

  1. 北京工业大学材料学院
  • 出版日期:2006-11-25 发布日期:2006-11-25

Review of designing ABO3 perovskite photocatalysts

LI Honghua,WANG Hao,YAN Hui   

  1. School of Materials Science and EngineeringBeijing University of Technology
  • Online:2006-11-25 Published:2006-11-25

摘要: 评述了ABO3钙钛矿型光催化剂设计的5项原则:(1)能带结构的选择和调控;(2)主要决定光催化剂活性的B位元素的选择;(3A位元素的选择;(4)由A位和/B位的部分替代可实现化合价和空位控制,极大地提高光催化活性;(5)形成超细粒子或分散在载体上引起表面积增大,有利于光催化活性的提高。

Abstract: The main strategies of designing ABO3 perovskite catalysts were reviewed. The emphasis was put on (1) Selection and tuning of the band structure(2) Selection of B-site elements which principally determined the photocatalytic activity(3) Selection of A-site elements(4) Valency and vacancy controls by partial substitution of A-site or/B-site elementswhich could extremely improve the photocatalytic activityand (5) Enhancement of surface area by forming fine particles or dispersing on supportswhich could also enhance photocatalytic activity.

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