Journal
NANOMATERIALS
Volume 10, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/nano10050912
Keywords
PEC water splitting; InGaN nanorods; Au nanoparticles; surface plasmon resonance
Categories
Funding
- Natural Science Foundation of Guangdong Province, China [2018A030313395]
- Joint Fund of Ministry of Education for Equipment Pre-Research [6141A02022435]
- Key Innovation Project in Industry Chain of Shaanxi Province [2018ZDCXL-GY-01-02-01]
- National Natural Science Foundation of China [51803028]
- scientific research start-up fund for high-level talents of Foshan University, China [gg07077]
- Foshan Functional Polymer Engineering Center [2016GA10162]
- key Project of Department of Education of Guangdong Province [2016GCZX008]
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Photoelectrochemical (PEC) water splitting has great application potential in converting solar energy into hydrogen energy. However, what stands in the way of the practical application of this technology is the low conversion efficiency, which can be promoted by optimizing the material structure and device design for surface functionalization. In this work, we deposited gold nanoparticles (Au NPs) with different loading densities on the surface of InGaN nanorod (NR) arrays through a chemical solvent route to obtain a composite PEC water splitting system. Enhanced photocatalytic activity, which can be demonstrated by the surface plasmon resonance (SPR) effect induced by Au NPs, occurred and was further confirmed to be associated with the different loading densities of Au NPs. These discoveries use solar water splitting as a platform and provide ideas for exploring the mechanism of SPR enhancement.
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