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Fluorescence Enhancement of Ruthenium Complex on Silver Using Different Chain Length Carboxylic Acid Terminated Thiols: Distance and Metal Concentration Study

Authors
Chaudhari, Nitin K.Kim, MinsikKim, Hwan KyuChoi, Seong-HoYoon, Kuk RoLee, Kwang-SupYu, Jong-Sung
Issue Date
9월-2008
Publisher
AMER SCIENTIFIC PUBLISHERS
Keywords
Fluorescence; Surface Plasmon; Silver; Thiol; Spacer; SAM
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.8, no.9, pp.4747 - 4751
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume
8
Number
9
Start Page
4747
End Page
4751
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/122783
DOI
10.1166/jnn.2008.IC02
ISSN
1533-4880
Abstract
The fluorescence enhancement of ruthenium complex (Ru(bpy)(3)(2+)) was studied on silver surface deposited by simple Tollens mirror reaction. The plasmon effects on spacer distance, silver concentration, and deposition methods were examined. Silver nanoparticles prepared were coated with different chain length carboxylic acid-terminated thiols as spacers. This leads to development of distance between Ag and Ru dye being varied from 4 to 23 angstrom. Effect of different silver deposition methods on the emission spectra was also studied using metal evaporator deposition method. The results show that Ag concentration, Ag film roughness, and specific distance between metal and dye should be tuned for a maximum increase in fluorescence.
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Graduate School > Department of Advanced Materials Chemistry > 1. Journal Articles
Graduate School > Department of Material Chemistry > 1. Journal Articles

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