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author:

陈旬 (陈旬.) [1] | 刘军峰 (刘军峰.) [2] | 丁正新 (丁正新.) [3] | 王绪绪 (王绪绪.) [4] | 刘平 (刘平.) [5] | 戴文新 (戴文新.) [6]

Abstract:

本文研究了紫外光照对Au/TiO_2催化氧化富氢气体中CO性能的影响。结果发现,紫外光照有助于Au/TiO_2催化氧化富氢气体中CO的活性和选择性。比较紫外光照前后CO、H_2及O_2在Au/TiO_2表面的化学吸附结果表明,紫外光照促进CO在Au表面的吸附,抑制H_2在Au表面的吸附。分析认为,紫外光照下TiO_2表面的光生电子转移到Au表面引起反应气在催化剂表面吸附的变化,进而促进CO的选择性氧化。

Keyword:

光激发 化学吸附 氢气 选择性氧化CO

Community:

  • [ 1 ] 福州大学光催化研究所

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Year: 2009

Language: Chinese

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 1

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