Fluorescence emission Fluorescence 6 Nanoparticles 6 Conducting polymers 4 Emission spectroscopy 4 Fluorescence quenching 4 Gold 4 Polyaniline 4 Quantum yield 4 Absorption and emission spectra 2 Adsorption 2 Aggregates 2 Aniline 2 Assays 2 Au nanoparticle 2 Au surfaces 2 Au(1 1 1 ) 2 Au(111) surfaces 2 Bio-compatible systems 2 Biological applications 2 Chemisorption 2 Conducting polymer 2 Conductive films 2 Core-shell nanoparticles 2 Crystalline domains 2 Cyanides 2 Diarylethenes 2 Doping (additives) 2 Dye-doped 2 Electrochemical techniques 2