Plasmon-enhanced conjugated polymer luminescence using silver nanoparticles and sequentially adsorbed polyelectrolyte spacers

Shanlin Pan; Lewis J. Rothberg; Adam J. Nolte; Michael F. Rubner; Irina Gorodetskaya; Timothy M. Swager

doi:10.1117/12.620853

31 August 2005 Plasmon-enhanced conjugated polymer luminescence using silver nanoparticles and sequentially adsorbed polyelectrolyte spacers

Shanlin Pan, Lewis J. Rothberg, Adam J. Nolte, Michael F. Rubner, Irina Gorodetskaya, Timothy M. Swager

Author Affiliations +

Proceedings Volume 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III; 592705 (2005) https://doi.org/10.1117/12.620853
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Up to fifty fold increases in water soluble conjugated phenylenevinylene polymer fluorescence are observed when these polymers are adsorbed onto silver nanoparticle treated surfaces with layer-by-layer deposited polyelectrolyte spacers. The silver particle density and spacer thickness dependence of the enhancement are investigated. Using absorption, fluorescence, fluorescence excitation and transient photoluminescence measurments, we infer the relative importance of absorption and emissive rate increases in explaining the observed enhancement. Large blue shifts due to interactions of the molecular excited states with the silver particle plasmons are observed.

Citation Download Citation

Shanlin Pan, Lewis J. Rothberg, Adam J. Nolte, Michael F. Rubner, Irina Gorodetskaya, and Timothy M. Swager "Plasmon-enhanced conjugated polymer luminescence using silver nanoparticles and sequentially adsorbed polyelectrolyte spacers", Proc. SPIE 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III, 592705 (31 August 2005); https://doi.org/10.1117/12.620853

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