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Mesoporous Pt@PtM (M = Co, Ni) cage-bell nanostructures toward methanol electro-oxidation

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Abstract

Rational design of Pt-based nanostructures with a controllable morphology and composition is vital for electrocatalysis. Herein, we demonstrate a dual-template strategy to fabricate well-defined cage-bell nanostructures including a Pt core and a mesoporous PtM (M = Co, Ni) bimetallic shell (Pt@mPtM (M = Co, Ni) CBs). Owing to their unique nanostructure and bimetallic properties, Pt@mPtM (M = Co, Ni) CBs show higher catalytic activity, better durability and stronger CO tolerance for the methanol oxidation reaction than commercial Pt/C. This work provides a general method for convenient preparation of cage-bell nanostructures with a mesoporous bimetallic shell, which have high promising potential for application in electrocatalytic fields.

Graphical abstract: Mesoporous Pt@PtM (M = Co, Ni) cage-bell nanostructures toward methanol electro-oxidation

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Article information


Submitted
09 Jan 2020
Accepted
08 Feb 2020
First published
10 Feb 2020

This article is Open Access

Nanoscale Adv., 2020, Advance Article
Article type
Paper

Mesoporous Pt@PtM (M = Co, Ni) cage-bell nanostructures toward methanol electro-oxidation

S. Yin, Z. Wang, C. Li, H. Yu, K. Deng, Y. Xu, X. Li, L. Wang and H. Wang, Nanoscale Adv., 2020, Advance Article , DOI: 10.1039/D0NA00020E

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