Different effects of cerium ions doping on properties of anatase and rutile TiO2

被引：81

作者：

Li, Guangqin

Liu, Chunyan ^{[1
]}

Liu, Yun

机构：

[1] Chinese Acad Sci, Lab Organ Optoelect Funct Mat & Mol Engn, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2006年 / 253卷 / 05期

基金：

中国国家自然科学基金;

关键词：

cerium ions; doping; anatase; rutile; TiO2;

D O I：

10.1016/j.apsusc.2006.05.002

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pure and Ce4+ doped anatase and rutile TiO2 were prepared by hydrothermal methods and characterized by XRD, TEM, UV-vis diffusion spectroscopy, and XPS measurements. The photocatalytic reactivity of the catalysts was evaluated by the photodegradation of Rhodamine B (RB) under ultraviolet irradiation. The photocatalytic efficiency of the rutile sample doped with an appropriate amount of Ce4+ was enhanced while all Ce4+ doped anatase samples showed a much lower activity than pure anatase. The reasons were discussed (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：2481 / 2486

页数：6

共 30 条

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