DNA Detection by SERS on InGaN Quantum Wells Decorated with Al Nanoparticles

Thi Anh Nguyet Nguyen,Kun-Yu Lai,Fan-Ching Chien

2022 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR)（2022）

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摘要

DNA nucleobases were detected by the Surface-enhanced Raman spectroscopy (SERS) performed on nanostructured InGaN quantum wells decorated with Al nanoparticles. The size of nanoparticles were varied by changing the Al layer thickness before annealing. The SERS intensity of 19-mer thymine was found be effectively enhanced as the Al layer thickness exceeds 40 nm.

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关键词

Quantum Wells,Al Nanoparticles,InGaN Quantum Wells,InGaN Quantum,Surface-enhanced Raman Scattering,Al Layer,DNA Nucleobases,DNA Molecules,Growth Temperature,Raman Signal,Localized Surface Plasmon Resonance,PL Spectra,Metal Organic Chemical Vapor Deposition,Spectroscopy Substrates

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