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Cited by 544

The DOI matches its Crossref record; 69 of the 69 references it cites were found in a registry or an index.

Assembling Ultrasmall Copper‐Doped Ruthenium Oxide Nanocrystals into Hollow Porous Polyhedra: Highly Robust Electrocatalysts for Oxygen Evolution in Acidic Media

Su, Jianwei, Ge, Ruixiang, Jiang, Kemin, Dong, Yan, Hao, Fei, Tian, Ziqi, Chen, Guoxin, Chen, Liang·2018·Advanced Materials

Abstract

Here, a facile and novel strategy for the preparation of Cu‐doped RuO 2 hollow porous polyhedra composed of ultrasmall nanocrystals through one‐step annealing of a Ru‐exchanged Cu‐BTC derivative is reported. Owing to the optimized surface configuration and altered electronic structure, the prepared catalyst displays a remarkable oxygen evolution reaction (OER) performance with low overpotential of 188 mV at 10 mA cm−2 in acidic electrolyte, an ultralow Tafel slope of 43.96 mV dec−1, and excellent stability in durability testing for 10 000 cycles, and continuous testing of 8 h at a current density of 10 mA cm−2. Density functional theory calculations reveal that the highly unsaturated Ru sites on the high‐index facets can be oxidized gradually and reduce the energy barrier of rate‐determining steps. On the other hand, the Cu dopants can alter the electronic structures so as to further improve the intrinsic OER activity.

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Crossref · 10.1002/adma.201801351

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Metadata

Authors
Su, J., Ge, R., Jiang, K., Dong, Y., Hao, F., Tian, Z., Chen, G., & Chen, L.
Venue
Advanced Materials
Publisher
Wiley
Published
2018-06-05
Volume
30
Issue
29
Pages
e1801351-e1801351
ISSN
  • 0935-9648 (ISSN-L)
  • 1521-4095
OpenAlex
W2805591174
Cited by
544
References
69
FWCI
9.56
Type
journal article
Language
en
Open access
closed

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