3D bicontinuous nanoporous plasmonic heterostructure for enhanced hydrogen evolution reaction under visible light

Yongzheng Zhang, Jing Du, Ruichun Luo, Ziqian Wang, Zhili Wang, Jiuhui Han, Pan Liu, Takeshi Fujita, Qikun Xue, Mingwei Chen

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The recent development in plasmon-enhanced electrochemical hydrogen production provides an alternative approach to address the bottleneck of low hydrogen production efficiency in the conventional photocatalysis. To achieve high-efficiency plasmonic catalysis, the development of catalytically active Schottky heterostructure is essential. Herein, we propose a 3D bicontinuous nanoporous plasmonic heterostructure for hydrogen evolution reaction (HER) by growing HER-active monolayer MoS 2 on the internal surfaces of plasmonic 3D nanoporous gold (MoS 2 @NPG). The catalytically active plasmonic heterostructure with a large specific surface area and high electric conductivity exhibits superior photoelectrochemical activities towards electrochemical hydrogen production at both low onset potential of −70 mV vs RHE and the Tafel slope of 38 mV dec −1 under visible light illumination. The outstanding HER performance can be attributed to the efficient transfer of plasmon-generated hot electrons from NPG to monolayer MoS 2 as well as the effective electron–hole separation by the Schottky barriers at MoS 2 /NPG interfaces.

Original languageEnglish
Pages (from-to)552-559
Number of pages8
JournalNano Energy
Volume58
DOIs
Publication statusPublished - 2019 Apr

Keywords

  • Hydrogen evolution reaction
  • Monolayer MoS
  • Nanoporous gold
  • Plasmonic heterostructure

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

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