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Shin, Hyeon Suk
Lab for Nanomaterials and Nanoanalysis(LNN)
Research Interests
  • Two-dimensional materials, graphene, transition metal dichalcogenides, h-BN, heterostructure

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Direct patterning of silver colloids by microcontact printing: possibility as SERS substrate array

Cited 17 times inthomson ciCited 17 times inthomson ci
Title
Direct patterning of silver colloids by microcontact printing: possibility as SERS substrate array
Author
Shin, Hyeon SukYnag, Hyun JungJung, Mee YoungKim, Seung Bin
Keywords
Microcontact printing; Self-assembled monolayer (SAM); Silver colloids; Surface-enhanced Raman scattering (SERS)
Issue Date
200207
Publisher
ELSEVIER SCIENCE BV
Citation
VIBRATIONAL SPECTROSCOPY, v.29, no.1-2, pp.79 - 82
Abstract
The present study describes an easy and clean method that makes the pattern of silver colloids by means of microcontact printing. Hydrophilic silver colloids adsorbed on a hydrophobic poly(dimethyl siloxane) (PDMS) stamp are transferred directly to the self-assembled monolayer (SAM) of 4-mercaptopyridine or aminoethanethiol (AET) on an Au-coated silicon substrate. To adsorb silver colloids on the PDMS stamp successfully, adhesion layers such as poly(vinyl pyrrolidone) and stearic acid were pre-treated onto the PDMS stamp. Finally, we obtained a surface-enhanced Raman scattering (SERS) spectrum and image of rhodamine 6G (R6G) on the patterned silver colloids.
URI
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DOI
http://dx.doi.org/10.1016/S0924-2031(01)00186-2
ISSN
0924-2031
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