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author:

黄雅丽 (黄雅丽.) [1] | 李旦振 (李旦振.) [2] | 王绪绪 (王绪绪.) [3] | 付贤智 (付贤智.) [4] | 刘平 (刘平.) [5]

Abstract:

采用溶胶—凝胶法和浸溃法制备稀土掺杂TiO_2光催化剂RE/TiO_2(RE=Pr、Nd、Gd、Er),利用XRD、BET、DRS、SPS等手段进行表征,研究了稀土掺杂对TiO_2的晶相结构、比表面积、吸光性能的影响,考察了RE/TiO_2催化剂降解C_2H_4的气-固相光催化氧化反应性能。结果表明:掺杂适量的稀土离子可以改善TiO_2的吸光性能,抑制锐钛矿晶型向金红石晶型转变,细化晶粒,增加比表面积,提高光催化活性。

Keyword:

RE/TiO_2 乙烯 光催化 氧化

Community:

  • [ 1 ] 福州大学光催化研究所

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Source :

Year: 2003

Language: Chinese

Cited Count:

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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