Issue 3, 2023, Issue in Progress
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RSC Advances

Microwave-assisted synthesis of octahedral Rh nanocrystals and their performance for electrocatalytic oxidation of formic acid †

Xiaomeng Liu,a   Junxuan Xu,a   Haoyue Zhang,a   Yitian Zhong,a   Haosheng Feng,a   Yanxi Zhao,a   Qin Li, ORCID logo a   Xianghong Li ORCID logo a  and  Tao Huang ORCID logo *a  

* Corresponding authors

a Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, College of Chemistry and Materials Science, South-central Minzu University, Wuhan 430074, China
E-mail: huangt208@163.com

Abstract

Uniform and well-defined octahedral Rh nanocrystals were rapidly synthesized in a domestic microwave oven for only 140 s of irradiation by reducing Rh(acac)3 with tetraethylene glycol (TEG) as both a solvent and a reducing agent in the presence of an appropriate amount of KI, didecyl dimethyl ammonium chloride (DDAC), ethylene diamine (EDA) and polyvinylpyrrolidone (PVP). KI, DDAC and EDA were essential for the creation of octahedral Rh nanocrystals. Electrochemical measurements showed a significantly enhanced electrocatalytic activity and stability for the as-prepared octahedral Rh nanocrystals compared with commercial Rh black.

Graphical abstract: Microwave-assisted synthesis of octahedral Rh nanocrystals and their performance for electrocatalytic oxidation of formic acid

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Article information

DOI
https://doi.org/10.1039/D2RA07445A
Article type
Paper
Submitted
23 Nov 2022
Accepted
27 Dec 2022
First published
11 Jan 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 1751-1756

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Microwave-assisted synthesis of octahedral Rh nanocrystals and their performance for electrocatalytic oxidation of formic acid

X. Liu, J. Xu, H. Zhang, Y. Zhong, H. Feng, Y. Zhao, Q. Li, X. Li and T. Huang, RSC Adv., 2023, 13, 1751 DOI: 10.1039/D2RA07445A

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