THE CdSe/CdS QUANTUM DOTS LUMINESCENCE ENHANCEMENT NEAR SILICA LAYER WITH THE ION-SYNTHESIZED SILVER NANOPARTICLES

International Conference of Young Scientists and Specialists "Optics-2015"

Shamilov, R.R.^1 ; Galyametdinov, Yu G.^1,2 ; Nugaeva, A.A.^1 ; Nuzhdin, V.I.^2 ; Valeev, V.F.^2 ; Stepanov, A.L.^1,2

Kazan National Research Technological University, Kazan, Russia^1

Kazan E. K. Zavoisky Physical-Technical Institute, Kazan Scientific Center, Russian Academy of Sciences, Kazan, Russia^2

关键词: CdSe/CdS;    Luminescence enhancements;    Photoluminescence characteristics;    Plasmon field;    Silica layers;    Spacer layer;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/735/1/012067/pdf
DOI  :  10.1088/1742-6596/735/1/012067

来源: IOP

【 摘 要 】

Photoluminescence characteristics of hybrid quantum dots CdSe/CdS deposited on the surface of silica containing the layer of ion-synthesized silver nanoparticles were studied. The quenching or enhancement of the luminescence depending on distance between silver nanoparticles and quantum dots layers was detected. The optimal spacer layer and excitation waveleghth for the highest intensity of their photoluminescence in the plasmon field of metal nanoparticles was defined.