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Journal of Materials Science

, Volume 54, Issue 9, pp 6930–6942 | Cite as

Microwave-assisted synthesis of AuNPs/CdS composite nanorods for enhanced photocatalytic hydrogen evolution

  • Yanqi Xu
  • Cui Du
  • Jay D. Steinkruger
  • Chen ZhouEmail author
  • Shengyang YangEmail author
Chemical routes to materials
  • 15 Downloads

Abstract

Photocatalytic hydrogen generation is of fundamental importance for the production of clean and sustainable energy. In this work, a facile in situ microwave-assisted synthesis strategy has been developed to synthesize AuNPs/CdS composite nanorods (NRs) for enhanced photocatalytic hydrogen evolution. At 5 wt% of AuNPs, the AuNPs/CdS composite NRs exhibit a significantly enhanced photocatalytic activity for H2 evolution that is 26 times higher than pure CdS, and 2.1 times greater than that of 5 wt% AuNPs/CdS sample synthesized via a traditional hydrothermal method. Enhanced hydrogen evolution can be attributed to the strong synergistic interactions between the AuNPs and CdS NRs in the composite material, which provide efficient electron/hole transfer, improved photon absorption in visible region, and optimized charge carrier formation and photostability. This work can potentially pave a path toward rapid, microwave-assisted fabrication of high-performance metal/semiconductor composite photocatalysts for large-scale photocatalytic H2 production.

Notes

Acknowledgements

This work is financially supported by Natural Science Foundation of China (21506095, 21801219), Natural Science Foundation of Jiangsu Province (BK20150940), the “Qing-Lan” Project of Jiangsu Province, Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP), and the start-up fund from Yangzhou University.

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.

Supplementary material

10853_2018_3294_MOESM1_ESM.doc (2.3 mb)
Supplementary material 1 (DOC 2340 kb)

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Chemistry and Chemical EngineeringYangzhou UniversityYangzhouPeople’s Republic of China
  2. 2.School of Natural SciencesUniversity of Central MissouriWarrensburgUSA

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