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  5. Fabrication of Silver Nanoparticle-coated Silica as SERS Substrate for Preconcentration and Detectio

Fabrication of Silver Nanoparticle-coated Silica as SERS Substrate for Preconcentration and Detectio

来源 :International Conference on Nanoscience & Technology,China 2 | 被引量 : 0次 | 上传用户：sdqzdx
【摘 要】
：
In this paper, we presented a facile method to fabricate a surface-enhanced Raman scattering (SERS) substrate for preconcentration and detection of polycyclic aromatic hydrocarbons (PAHs).The large si
【作 者】
：
Haixin Gu Lin Xue Lulu Ou Yongfeng Zhang Yitao Long 
【机 构】
：
East China University of Science and Technology,Shanghai 200237,China;Shanghai Fire Research Institu
【出 处】
：
International Conference on Nanoscience & Technology,China 2
【发表日期】
：
2013年3期
【关键词】
：
SERS AgNPs coated silica PAHs preconcentration 
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　　In this paper, we presented a facile method to fabricate a surface-enhanced Raman scattering (SERS) substrate for preconcentration and detection of polycyclic aromatic hydrocarbons (PAHs).The large silica surface modified with functional group was decorated and coated with silver nanoparticles (AgNPs) by reduction of silver nitrate with sodium citrate, and then the thiol-functional group was self-assembled onto AgNPs to improve its capacity of concentrating aromatic molecules from aqueous solution.
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