Abstract
In this work we have reported the controlled synthesis of gold nanoparticles into the surface cavities of P123 micellar assemblies together with the fluorescent dye molecules and investigated nanometal surface energy transfer (NSET) from confined donor dye to metal nanoparticles. The formation of hybrid spherical assemblies of P123 combined with fluorescent dyes and gold nanoparticles has been confirmed from HR-TEM, DLS, UV–vis, and fluorescence spectroscopic studies. The observed steady state as well as time-resolved fluorescence quenching of the confined micellar dyes present in the close proximity of gold nanoparticles which are attached to the surface of micellar assemblies, indicates efficient surface energy transfer from dye to gold (Au) nanoparticles. Since the NSET process is strongly dependent on the distance between donor dye and acceptor nanoparticles, successful applications of NSET require the perfect control over their relative location. Herein, we investigate the utilization of nanoparticle...
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