Preparation of Photoluminescent ZnSe/PAMAM Nanocomposites

Uniform and well-dispersed photoluminescent semiconductor ZnSe (zinc selenium) QDs (Quantum dots) were in-situ prepared stabilized by G4.0-NH3+PAMAM(polyamidoamine) dendrimers in methanol. The properties of ZnSe QDs encapsulated in PAMAM dendrimers were characterized by UV-Vis absorption spectra and photoluminescence (PL) emission spectra. The results were: ZnSe/PAMAM NCs (nanocomposites) with molar ratio 15 emitted strongest fluorescence.