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Binary nonmetal S, P-co-doping into mesoporous PtPd nanocages boosts oxygen reduction electrocatalysis

Abstract

The development of doped noble metal catalysts with nonmetal elements to improve catalytic performance toward oxygen reduction reaction (ORR) is significant for proton exchange membrane fuel cell technology. Here, we report a one-pot for dual-nonmetal-doping strategy for the synthesis of S, P-co-doped mesoporous PtPd nanocages (PtPdSP mNCs) by using pre-synthesized mesoporous PtPd nanocages (PtPd mNCs) as the precursor and triphenylphosphine sulphide as both the S and P sources. Combining the advantages of metal–nonmetal incorporation, hollow cavity and surface porosity, the resultant quaternary PtPdSP mNCs exhibit outstanding ORR activity and long-term stability. This research work provides a good strategy for the doping of two or more selected nonmetallic elements into metallic nanocrystals with controllable structure and composition.

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Supplementary files

Article information


Submitted
04 Apr 2020
Accepted
22 Jun 2020
First published
22 Jun 2020

Nanoscale, 2020, Accepted Manuscript
Article type
Paper

Binary nonmetal S, P-co-doping into mesoporous PtPd nanocages boosts oxygen reduction electrocatalysis

S. Yin, Y. Xu, S. Liu, H. Yu, Z. Wang, X. Li, L. Wang and H. Wang, Nanoscale, 2020, Accepted Manuscript , DOI: 10.1039/D0NR02686G

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