Tuning Gold Nanoparticles with Chelating Ligands for Highly Efficient Electrocatalytic CO 2 Reduction

Tuning Gold Nanoparticles with Chelating Ligands for Highly Efficient Electrocatalytic CO 2 Reduction

Capped chelating organic molecules are presented as a design principle for tuning heterogeneous nanoparticles for electrochemical catalysis. Gold nanoparticles (AuNPs) functionalized with a chelating tetradentate porphyrin ligand show a 110-fold enhancement compared to the oleylamine-coated AuNP in...

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Veröffentlicht in:Angewandte Chemie International Edition 2018-09, Vol.57 (39), p.12675-12679
Hauptverfasser: Cao, Zhi, Zacate, Samson B, Sun, Xiaodong, Liu, Jinjia, Hale, Elizabeth M, Carson, William P, Tyndall, Sam B, Xu, Jun, Liu, Xingwu, Liu, Xingchen, Song, Chang, Luo, Jheng-Hua, Cheng, Mu-Jeng, Wen, Xiaodong, Liu, Wei
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Sprache:eng
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Zusammenfassung:Capped chelating organic molecules are presented as a design principle for tuning heterogeneous nanoparticles for electrochemical catalysis. Gold nanoparticles (AuNPs) functionalized with a chelating tetradentate porphyrin ligand show a 110-fold enhancement compared to the oleylamine-coated AuNP in current density for electrochemical reduction of CO to CO in water at an overpotential of 340 mV with Faradaic efficiencies (FEs) of 93 %. These catalysts also show excellent stability without deactivation (
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201805696