The Electroreductive Dechlorination Reaction of 2,3-Dichlorophenol on Pd/Ag/Cu

Fen Wang; Xian Jing Yang; Qi Guo Chen; Mei Chao Li; Chun An Ma

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The Electroreductive Dechlorination Reaction of 2,3-Dichlorophenol on Pd/Ag/Cu

机译：2,3-二氯苯酚在Pd / Ag / Cu上的电还原脱氯反应

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Pd/Ag/Cu electrode was successfully prepared on Ag dendrites with Cu substrate (Ag/Cu) by galvanicreplacement reactions, and was characterized by scanning electron microscopy, X-ray diffraction andtransmission electron microscopy. The electroreductive dechlorination reaction of 2,3-dichlorophenolon Pd/Ag/Cu electrode was investigated by cyclic voltammetry and in situ FTIR techniques. Comparedwith Pd/Cu, Ag/Cu and Cu electrodes, Pd/Ag/Cu electrode exhibited the highest electrocatalyticactivity for electroreductive reaction of 2,3-dichlorophenol. C-Cl bond was broken by reaction ofadsorbed 2,3-dichlorophenolate with (H)adsPd on Pd/Ag/Cu electrode surface. The main intermediatewas 2-chlorophenolate, and the final product was phenolate.

机译：通过电置换反应，成功地在带有Cu底物的Ag树枝状晶体上制备了Pd / Ag / Cu电极，并通过扫描电子显微镜，X射线衍射和透射电子显微镜对其进行了表征。通过循环伏安法和原位FTIR技术研究了2,3-二氯苯酚对Pd / Ag / Cu电极的电还原脱氯反应。与Pd / Cu，Ag / Cu和Cu电极相比，Pd / Ag / Cu电极对2,3-二氯苯酚的电还原反应具有最高的电催化活性。吸附的2,3-二氯酚盐与（H）adsPd在Pd / Ag / Cu电极表面的反应破坏了C-Cl键。主要中间体为2-氯酚盐，最终产物为酚盐。

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《International Journal of Electrochemical Science》 |2015年第9期|共11页
作者
Fen Wang; Xian Jing Yang; Qi Guo Chen; Mei Chao Li; Chun An Ma;
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The Electroreductive Dechlorination Reaction of 2,3-Dichlorophenol on Pd/Ag/Cu

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