Journal
ACS APPLIED ENERGY MATERIALS
Volume 3, Issue 10, Pages 9498-9503Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.0c01405
Keywords
nickel sulfide; electrocatalytic activity; hydrogen evolution reaction; microwave; nonhydrolytic method
Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior-Brasil (CAPES) [001]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [141680/2015-6]
- Sao Paulo Research Foundation (FAPESP) [CEPID CDMF 13/07296-2]
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Electrocatalytic materials play a crucial role in the development of technologies for hydrogen production (hydrogen evolution reaction) from renewable and sustainable energy resources. Among these materials, nickel sulfides are promising catalysts due to their activity, stability, and cost-effectiveness. However, while the performance of nickel sulfides is linearly correlated to the crystalline structure, synthesis of single crystalline phases of nickel sulfides with controlled morphology is not trivial. In the face of this challenge, we report a simple and selective method to synthesize different phases and morphologies of nickel sulfide with superior electrocatalytic activities, by combining microwave energy and a solvothermal method.
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