49.25% efficient cyan emissive sulfur dots via a microwave-assisted route

被引：43
|
作者：
Hu, Zhe [1 ]
Dai, Hanqing [2 ]
Wei, Xian [1 ]
Su, Danlu [1 ]
Wei, Chang [1 ]
Chen, Yuanyuan [1 ]
Xie, Fengxian [1 ]
Zhang, Wanlu [1 ]
Guo, Ruiqian [1 ,2 ]
Qu, Songnan [3 ]
机构：
[1] Fudan Univ, Engn Res Ctr Adv Lighting Technol, Inst Elect Light Sources, Minist Educ, Shanghai 200433, Peoples R China
[2] Fudan Univ, Acad Engn & Technol, Inst Future Lighting, Shanghai 200433, Peoples R China
[3] Univ Macau, Joint Key Lab, Minist Educ, Inst Appl Phys & Mat Engn, Ave Univ, Taipa 999078, Macau, Peoples R China
来源：
RSC ADVANCES | 2020年 / 10卷 / 29期
基金：
中国国家自然科学基金;
关键词：
QUANTUM DOTS; CARBON DOTS; BRIGHT;
D O I：
10.1039/d0ra02778b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：17266 / 17269
页数：4
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