One-Step Synthesis of Nickel Sulfides and Their Electrocatalytic Activities for Hydrogen Evolution Reaction: A Case Study of Crystalline h-NiS and o-Ni9S8 Nanoparticles,ACS Applied Energy Materials

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One-Step Synthesis of Nickel Sulfides and Their Electrocatalytic Activities for Hydrogen Evolution Reaction: A Case Study of Crystalline h-NiS and o-Ni9S8 Nanoparticles
ACS Applied Energy Materials ( IF 5.4 ) Pub Date : 2020-10-15 , DOI: 10.1021/acsaem.0c01405
Mitchell G. S. da Silva ₁ , Celisnolia M. Leite ₂ , Marco A. L. Cordeiro ₃ , Valmor R. Mastelaro ₄ , Edson R. Leite _{1,

5}

Affiliation

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.

中文翻译：

硫化镍的一步合成及其对产氢反应的电催化活性：以结晶h-NiS和o-Ni ₉ S ₈纳米粒子为例

电催化材料在可再生能源和可持续能源的制氢技术（氢分解反应）的发展中起着至关重要的作用。在这些材料中，硫化镍由于其活性，稳定性和成本效益而成为很有前途的催化剂。然而，尽管硫化镍的性能与晶体结构线性相关，但具有受控形态的硫化镍单晶相的合成并非易事。面对这一挑战，我们报告了一种结合微波能量和溶剂热法合成具有优异电催化活性的硫化镍的不同相和形态的简单而选择性的方法。

更新日期：2020-10-26

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