Copper-Modified Gold Nanoparticles as Highly Selective Catalysts for Glycerol Electro-Oxidation in Alkaline Solution

Copper-Modified Gold Nanoparticles as Highly Selective Catalysts for Glycerol Electro-Oxidation in Alkaline Solution

The C3 selectivity of carbon-supported Au nanoparticles for glycerol electro-oxidation was significantly enhanced by the interaction of Au with electro-deposited Cu species. Notably, the C3 selectivity of supported Au nanoparticles doubled after 90 min of Cu electro-deposition at +0.015 V. This resu...

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Bibliographic Details
Main Authors: Thia, Larissa, Xie, Mingshi, Liu, Zhaolin, Ge, Xiaoming, Lu, Yizhong, Fong, Wenmei Eileen, Wang, Xin
Other Authors: School of Chemical and Biomedical Engineering
Format: Article
Language:English
Published: 2016
Subjects:
Copper
Electrochemistry
Online Access:https://hdl.handle.net/10356/84540
http://hdl.handle.net/10220/41893
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Institution: Nanyang Technological University
Language: English
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Summary:The C3 selectivity of carbon-supported Au nanoparticles for glycerol electro-oxidation was significantly enhanced by the interaction of Au with electro-deposited Cu species. Notably, the C3 selectivity of supported Au nanoparticles doubled after 90 min of Cu electro-deposition at +0.015 V. This result was obtained if glycerol electro-oxidation was performed at +0.1 V for 2 h. The most selective catalysts contained an Au+ species that was generated by an interaction between Au and electro-deposited Cu2O. The presence of Au+ increased the selectivity to glycerate and tartronate and suppressed C−C bond cleavage to glycolate and formate simultaneously.

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