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Journal of Materials Science: Materials in Electronics

Effect of metal-support couplings on the photocatalytic performance of Au-decorated ZnO nanorods

  • 27-07-2020
Published in:
Authors
Trung Hieu Nguyen
T. Anh Thu Do
Hong Thai Giang
Truong Giang Ho
Quang Ngan Pham
Minh Tan Man
Published in
Journal of Materials Science: Materials in Electronics | Issue 17/2020

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Abstract

We reported the effectiveness of photocatalysts based on ZnO nanorods in the pollutant degradation. UV–Vis adsorption and photoluminescence (PL) were used to verify the incorporation of the plasmonic Au NPs on the ZnO nanorods. The strong electronic interaction between Au NPs and the defect sites of ZnO can be caused by the resonant coupling near the surface of ZnO, which in turn suppresses the defect-related emission band. We significantly enhanced photocatalytic performance by the coupling ZnO nanorods to the plasmonic gold nanoparticles. Due to the surface plasmon resonance and the localized Au–ZnO Schottky barrier, the Au–ZnO nanorods demonstrated better photocatalytic efficiency (96% in 60 min) than pure ZnO nanorods (only 42% in 60 min) under visible light irradiation of the halogen lamp. The correlation between metal-support couplings and photocatalytic performance is discussed.

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previous article Determination of poisson’s ratio using growth temperature variations of InGaN/GaN MQW
next article Structure and dielectric properties of novel series of 3CaO–RE2O3–2WO3 (RE = La, Nd and Sm) microwave ceramics and the adjustment of τf value
Title
Effect of metal-support couplings on the photocatalytic performance of Au-decorated ZnO nanorods
Authors
Trung Hieu Nguyen
T. Anh Thu Do
Hong Thai Giang
Truong Giang Ho
Quang Ngan Pham
Minh Tan Man
Publication date
27-07-2020
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 17/2020
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-04056-5
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