Highly active surface-enhanced Raman scattering (SERS) substrates based on gold nanoparticles infiltrated into SiO2 inverse opals

Bright Ankudze,Anish Philip,Tuula T. Pakkanen,Antti Matikainen,Pasi Vahimaa

Applied Surface Science（2016）

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摘要

•SERS substrates prepared by infiltration of nanoparticles into SiO2 inverse opal.•The SERS substrate gives an enhancement factor of 107 for 4-aminothiophenol.•The sensitivity of the substrate is mainly attributed to gold nanoparticle clusters.

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关键词

SiO2 inverse opal,Gold nanoparticles,Surface enhanced Raman scattering

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