TY - JOUR
T1 - Metal enhanced fluorescence of Me-ADOTA·Cl dye by silver triangular nanoprisms on a gold film
AU - Folmar, Michele
AU - Shtoyko, Tanya
AU - Fudala, Rafal
AU - Akopova, Irina
AU - Gryczynski, Zygmunt
AU - Raut, Sangram
AU - Gryczynski, Ignacy
N1 - Funding Information:
This work was supported by Welch Foundation ( BP-0037 ), and NIH Grants: R01EB12003 , 5R21CA14897 (Z.G.) and R44CA132547 (I.G.).
PY - 2012/4/2
Y1 - 2012/4/2
N2 - In this Letter we discuss the plasmonic scattering and fluorescence enhancement properties of silver triangular nanoprisms synthesized by a chemical reduction method. Plasmonic platforms (PPs) were made by air-dried self-assembly of the silver triangular nanoprisms onto a gold mirror. Fluorescence enhancement was investigated using methyl-azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA deposited on PPs. Confocal microscopy results showed a 15-fold enhancement of the dye overall, with over 50-fold enhancements on 'hot spot' regions. The presence of silver nanoprisms significantly reduced the lifetime of the fluorophore. The preparation of silver triangular nanoprisms and observed emission data are highly reproducible.
AB - In this Letter we discuss the plasmonic scattering and fluorescence enhancement properties of silver triangular nanoprisms synthesized by a chemical reduction method. Plasmonic platforms (PPs) were made by air-dried self-assembly of the silver triangular nanoprisms onto a gold mirror. Fluorescence enhancement was investigated using methyl-azadioxatriangulenium chloride (Me-ADOTA·Cl) dye in PVA deposited on PPs. Confocal microscopy results showed a 15-fold enhancement of the dye overall, with over 50-fold enhancements on 'hot spot' regions. The presence of silver nanoprisms significantly reduced the lifetime of the fluorophore. The preparation of silver triangular nanoprisms and observed emission data are highly reproducible.
UR - http://www.scopus.com/inward/record.url?scp=84858749558&partnerID=8YFLogxK
U2 - 10.1016/j.cplett.2012.01.087
DO - 10.1016/j.cplett.2012.01.087
M3 - Article
AN - SCOPUS:84858749558
SN - 0009-2614
VL - 531
SP - 126
EP - 131
JO - Chemical Physics Letters
JF - Chemical Physics Letters
ER -