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Synthesis of Mo-based nanostructures from organic-inorganic hybrid with enhanced electrochemical for water splitting

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Abstract

A simple method to fabricate Mo-based nanostructures were developed by the thermal decomposition of MoO x -based organic–inorganic hybrid nanowires. Well-defined Mo-based nanostructures, including MoO2 and MoO3 nanowires, can be prepared by changing the hybrid precursor. More importantly, Mo2C/MoO2 heterostructures with porous structure were successfully synthesized under an inert atmosphere. The resultant Mo2C/MoO2 heterostructures show enhanced electrocatalytic activity and superior stability for electrochemical hydrogen evolution from water. The enhanced performance might be ascribed to the high electrical conductivity and porous structures with one-dimensional structure. Indeed, our result described here provides a new way to synthesize other Mo-based nanostructures for various applications.

中文摘要

钼基纳米材料因其特殊的结 构和良好的化学性质被广泛应用于传感器和催化领域. 其中, 碳化钼 具有类似贵金属的电子结 构和催化特性, 受到了越来越多的关注. 在本研究工作中, 通过对有机-无机复合材料在惰性气氛下进行热处理, 制备了不同的一维钼氧 化物纳米材料以及碳化钼/氧化钼多孔异质纳米材 料. 析氢电催化性能表明碳化钼/氧化钼多孔异质材料显示出优异的氢析出性能和循 环稳定性. 此方法制备过程简单有效且适合大量制备, 同时为制备新型钼基纳米材料提供了新的思路.

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Authors and Affiliations

  1. Department of Chemistry, Tsinghua University, Beijing, 100084, China

    Yong Yang, Xiaobin Xu & Xun Wang

Authors
  1. Yong Yang
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  2. Xiaobin Xu
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  3. Xun Wang
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Corresponding author

Correspondence to Xun Wang.

Additional information

Yang Yong was born in 1987. He received his BSc and MSc degrees from the College of Chemical Engineering, Northwest University in 2009 and 2012, respectively. His research interests are focused on the design and synthesis of Mo-based nanostructures for energy related applications.

Wang Xun is currently a professor at the Department of Chemistry, Tsinghua University, Beijing, China. He got his PhD degree in Chemistry from the Department of Chemistry, Tsinghua University in 2004. His research interests focus on the synthesis, assembly, characterization and application of ultrathin nanomaterials.

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Yang, Y., Xu, X. & Wang, X. Synthesis of Mo-based nanostructures from organic-inorganic hybrid with enhanced electrochemical for water splitting. Sci. China Mater. 58, 775–784 (2015). https://doi.org/10.1007/s40843-015-0088-4

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  • DOI: https://doi.org/10.1007/s40843-015-0088-4

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