Issue 24, 2012
From the journal:

Journal of Materials Chemistry

In situ chemical vapor reaction in molten salts for preparation of platinum nanosheetsvia bubble breakage†

Haidong Zhao,‡ac   Jianbo Wu,‡b   Hongjun You,‡a   Shengchun Yang,*a   Bingjun Ding,a   Zhimao Yang,a   Xiaoping Songa  and  Hong Yang*b  

* Corresponding authors

a School of Science, State Key Laboratory for Mechanical Behavior of Materials, Ministry of Education Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an 710049, Shann Xi, People's Republic of China
E-mail: ysch1209@mail.xjtu.edu.cn

b Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, 114 Roger Adams Laboratory, MC-712, 600 S. Mathews Avenue, Urbana, IL 61801, USA
E-mail: hy66@illinois.edu

c School of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China

Abstract

This paper presents an in situ chemical vapor reaction in a molten salt (KOH–NaOH, MS) for the synthesis of Pt nanosheets. Unlike conventional solution phase synthesis of nanoparticles in organic and aqueous solutions, no organic surfactant or capping agent was used. The surfactant-free Pt nanosheets were used directly to prepare oxygen reduction electrocatalysts without carbon supports and showed little loss of electrochemical surface area in the accelerated durability test. As the MS has a low vapor pressure under ambient pressure, this approach should also have environmental benefits because of reduced risk for releasing toxic gases from volatile organic solvents (VOCs).

Graphical abstract: In situ chemical vapor reaction in molten salts for preparation of platinum nanosheets via bubble breakage

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Article information

DOI
https://doi.org/10.1039/C2JM31422C
Article type
Paper
Submitted
07 Mar 2012
Accepted
18 Apr 2012
First published
24 Apr 2012

J. Mater. Chem., 2012,22, 12046-12052

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In situ chemical vapor reaction in molten salts for preparation of platinum nanosheets via bubble breakage

H. Zhao, J. Wu, H. You, S. Yang, B. Ding, Z. Yang, X. Song and H. Yang, J. Mater. Chem., 2012, 22, 12046 DOI: 10.1039/C2JM31422C

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