Fluorescence Enhancement of CdS:Ag Quantum Dots Co-Assembled with Au Nanoparticles in a Hollow Nanosphere Form

• DOI: 10.1021/acs.langmuir.4c00918
• Publication Date: 2024-05-18T13:15:51Z
• Authors: Yibin Zhu; Lei Ji; Chenying Li; Chunhuan Zhang; Jiatao Zhang
• Keywords: Microemulsion

Colloidal quantum dots (QDs) have exceptional fluorescence properties. Overcoming aggregation-induced quenching and enhancing the of colloidal QDs remained a challenging issue in this field. In study, composite hollow nanospheres composed Au nanoparticles (NPs) CdS:Ag-doped were successfully constructed through controlled microemulsion-based cooperative assembly. This method harnessed localized surface plasmon resonance (LSPR) effect NPs nearby doped QDs, resulting enhanced QD observation Purcell effect. The show enhancement compared to that pure CdS:Ag QDs. was demonstrated come from synergetic absorption emission transition approach provides feasible technological pathway address challenge improving performance