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49.25% efficient cyan emissive sulfur dots via a microwave-assisted route
Zhe Hu1, Hanqing Dai2, Xian Wei1
1Engineering Research Center of Advanced Lighting Technology, Ministry of Education, Institute for Electric Light Sources, Fudan University Shanghai 200433 China rqguo@fudan.edu.cn.
RSC Advances
|May 6, 2022
Abstract:
Cyan emissive sulfur dots with a record high photoluminescence (PL) quantum yield of 49.25% have been successfully prepared via a microwave-assisted top-down route. The PL enhancement induced by electrostatic repulsion of sulfite groups and steric hindrance of polyethylene glycol 400 (PEG-400) were investigated for the first time.
