Shape transformations of Pt nanocrystals enclosed with high-index facets and low-index facets

Chi Xiao; Na Tian; Wei-Ze Li; Xi-Ming Qu; Jia-Huan Du; Bang-An Lu; Bin-Bin Xu; Zhi-You Zhou; Shi-Gang Sun

doi:10.1039/D1CE00949D

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Shape transformations of Pt nanocrystals enclosed with high-index facets and low-index facets†

Chi Xiao,^a Na Tian,

*^a Wei-Ze Li,^a Xi-Ming Qu,^a Jia-Huan Du,^a Bang-An Lu,^a Bin-Bin Xu,^a Zhi-You Zhou

^a and Shi-Gang Sun

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
E-mail: tnsd@xmu.edu.cn, sgsun@xmu.edu.cn

Abstract

We systematically investigated the shape transformation of Pt nanocrystals between high-index facets and low-index facets by an electrochemical method, and revealed the change processes and rules of nanocrystal shapes and surface structure. The coordination number of surface atoms can be continuously tuned from 6 to 9 by controlling the regrowth/etching rate.

This article is part of the themed collection: Nanomaterials

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Article information

DOI: https://doi.org/10.1039/D1CE00949D
Article type: Communication
Submitted: 21 Jūl. 2021
Accepted: 10 Sept. 2021
First published: 10 Sept. 2021

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CrystEngComm, 2021,23, 6655-6660

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Shape transformations of Pt nanocrystals enclosed with high-index facets and low-index facets

C. Xiao, N. Tian, W. Li, X. Qu, J. Du, B. Lu, B. Xu, Z. Zhou and S. Sun, CrystEngComm, 2021, 23, 6655 DOI: 10.1039/D1CE00949D

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Shape transformations of Pt nanocrystals enclosed with high-index facets and low-index facets†

Abstract

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Shape transformations of Pt nanocrystals enclosed with high-index facets and low-index facets

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