Ag-nanoparticles on UF-microsphere as an ultrasensitive SERS substrate with unique features for rhodamine 6G detection
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- 作者：Zhixian Hao ; haozhixian@tongji.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Mulati Mansuer ; Yuqing Guo ; Zhirong Zhu ; Xiaogang Wang
- 关键词：UF ; urea and formaldehyde ; MS ; microsphere ; NP ; nanoparticle ; SERS ; surface enhanced Raman scattering ; R6G ; rhodamine 6G ; AgNP ; Ag nanoparticle ; UFMS ; urea and formaldehyde microsphere
- 刊名：Talanta
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：146
- 期：Complete
- 页码：533-539
- 全文大小：1429 K
文摘
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Ag nanoparticles dispersed on UF microsphere is used as an effective SERS substrate.
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Excess formaldehyde in UF synthesis is crucial for preparation of the substrate.
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Drying and incubation methods of the substrate affect the SERS performance.
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Various inorganic salts modify the substrate basing on their affinity with silver.
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Ag nanoparticles dispersed on UF microsphere has a R6G detection limit of 10−13 M.