Surface-enhanced Raman scattering substrate based on silver nanoparticle-deposited phospholipid multilayer

被引：5

作者：

An, Hyeun Hwan ^{[1
]}

Kim, Yongdeok ^{[1
]}

Han, Won Bae ^{[1
]}

Kim, Hee-Soo ^{[1
]}

Lee, Sanguk ^{[2
,3
]}

Yi, Sung Chul ^{[2
]}

Kim, Dong-Hwan ^{[4
]}

Yoon, Chong Seung ^{[1
]}

机构：

[1] Hanyang Univ, Div Mat Sci & Engn, Seoul 133791, South Korea

[2] Hanyang Univ, Dept Chem, Seoul 133791, South Korea

[3] Hanyang Univ, Res Inst Nat Sci, Seoul 133791, South Korea

[4] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 637457, Singapore

来源：

APPLIED SURFACE SCIENCE | 2013年 / 287卷

基金：

新加坡国家研究基金会;

关键词：

Phospholipid; Multilayer; Surface enhanced Raman scattering; SPECTROSCOPY; 4-MERCAPTOPYRIDINE; MEMBRANES; FILMS;

D O I：

10.1016/j.apsusc.2013.09.161

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Surface enhanced Raman scattering (SERS) substrate was fabricated by directly depositing Ag onto a multilayer lipid membrane consisting of 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC) lipids. The Ag nanoparticles were spontaneously formed on the POPC membrane surface during deposition and using 4-mercaptopyridine as a probe molecule, significant SERS enhancement was observed on the Ag nanoparticle-deposited POPC membrane over the Ag nanoparticles without POPC. It was conjectured that the presence of the POPC molecules assisted in forming a monolayer coverage of the analyte molecules on the nanoparticle surface, hence bringing the adsorbate molecules in closer proximity with the metal surface. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：369 / 374

页数：6

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