Large-scale control of enhancement and quenching of photoluminescence for ZnSe/ZnS quantum dots and Ag nanoparticles in aqueous solution

Yin Shaoyi¹, Liao Liming¹, Luo Song¹, Zhang Zhe¹, Zhang Xiaoyu¹, Lu Jian², Chen Zhanghai^{1, †}

(a) Typical time-resolved fluorescence of ZnSe/ZnS QDs mixed with various amounts of Ag-NPs; (b)–(d) the changes of the slow part and the fast part of the time constant with the Ag-NPs content varying from 0 μ L to 90 μ L .