Enhanced optical properties of ZnO nanorods decorated with gold nanoparticles for self cleaning surface enhanced Raman applications

Quoc Khoa Doan,Manh Hong Nguyen,Cong Doanh Sai,Van Thanh Pham,Hong Hanh Mai,Nguyen Hai Pham,Thanh Cong Bach,Viet Tuyen Nguyen,Trong Tam Nguyen,Khac Hieu Ho,Thi Ha Tran

Applied Surface Science（2020）

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摘要

•ZnO nanorods were prepared by galvanic effect assisted hydrothermal process.•Gold nanoparticles were decorated on the as-prepared nanorods by sputtering method.•The Au nanoparticles enhance photoluminescence, Raman scattering and photocatalytic properties of ZnO nanorods.•ZnO@Au SERS substrates offer high enhancement factor, high uniformity, and recyclability.

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关键词

ZnO nanorods,Hydrothermal,Galvanic effect,Surface enhanced Raman scattering,Gold nanoparticles

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