Fabrication of gold nanoparticles/graphene oxide films with surface-enhanced Raman scattering activity by a simple electrostatic self-assembly method
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- 作者：Yi Li ; Juan Yang ; yangjuan6347@ujs.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yazhou Zhou ; Nan Zhao ; Weiwei Zeng ; Wenwei Wang
- 关键词：Electrostatic self-assembly method ; Au NPs@GO films ; Surface-enhanced Raman scattering ; R6G molecules
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：512
- 期：Complete
- 页码：93-100
- 全文大小：4192 K
文摘
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The SERS substrate of the Au NPs@GO film is fabricated via a facile electrostatic self-assembly method.
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The Au NPs@GO films with different layers construction and surface compositions are investigated.
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The SERS activities of different substrates are investigated using Rhodamine 6G as the probing molecules.
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Results of assembly cycles influence on SERS performances of the Au NPs@GO films are presented.
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The Au NPs@GO films present favorable reproducibility and high stability under ambient environment.