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[求助] 如何证实氢气TPR中的Cu (II)经中间Cu (I)两步还原为Cu(0)? 已有1人参与

审稿人让证明氢气TPR中的Cu (II)经中间Cu (I)两步还原为Cu(0),这该如何证明,需要做什么表征,或者通过引用文献证明吗?
The H2-TPR profile of Cu-Co/NC catalyst displayed two low temperature peaks at 170 °C and 195 °C, author deemed it could be attributed to the two-step reduction of Cu (II) to Cu (0) via the intermediate Cu (I). I think this should be verified.
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zyhou

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【答案】应助回帖

感谢参与,应助指数 +1
两种铜物种的、或者处于不同位置的铜的可能性更大。可以参考:
Journal of Catalysis, Volume 296, December 2012, Pages 1-11
Applied Catalysis A: General, Volume 403, Issues 1–2, 22 August 2011, Pages 173-182

载体和铜的作用强弱,也会引起还原温度的变化。
Bioresource Technology, Volume 101, Issue 18, September 2010, Pages 7088-7092

做过很多铜基催化剂的还原,还真没有遇到过分步还原的情况。
Hydrogenolysis of glycerol to 1,2-propanediol over Cu-based catalysts: A short review
Catalysis Today, In press, corrected proof, Available online 13 March 2019
2楼2019-03-20 20:38:01
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