Surface-enhanced Raman scattering substrate based on silver nanoparticle-deposited phospholipid multilayer
- Authors
- An, Hyeun Hwan; Kim, Yongdeok; Han, Won Bae; Kim, Hee-Soo; Lee, Sanguk; Yi, Sung Chul; Kim, Dong-Hwan; Yoon, Chong Seung
- Issue Date
- Dec-2013
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Phospholipid; vMultilayer; Surface enhanced Raman scattering
- Citation
- APPLIED SURFACE SCIENCE, v.287, pp.369 - 374
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED SURFACE SCIENCE
- Volume
- 287
- Start Page
- 369
- End Page
- 374
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/26599
- DOI
- 10.1016/j.apsusc.2013.09.161
- ISSN
- 0169-4332
- Abstract
- 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.
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