Mg/N double doping strategy to fabricate extremely high luminescent carbon dots for bioimaging

被引：153

作者：

Li, Fan ^{[1
]}

Liu, Changjun ^{[1
]}

Yang, Jian ^{[1
]}

Wang, Zheng ^{[1
]}

Liu, Wenguang ^{[2
]}

Tian, Feng ^{[1
]}

机构：

[1] Acad Mil Med Sci, Inst Med Equipment, Tianjin 300161, Peoples R China

[2] Tianjin Univ, Tianjin Key Lab Composite & Funct Mat, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

来源：

RSC ADVANCES | 2014年 / 4卷 / 07期

基金：

中国国家自然科学基金;

关键词：

ONE-STEP SYNTHESIS; QUANTUM DOTS; NANODOTS; PHOTOLUMINESCENCE; NANOPARTICLES; PYROLYSIS;

D O I：

10.1039/c3ra43826k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon dots (CDs) with quantum yield up to 83% have been synthesized with a Mg/N double doping fluorescence-enhanced strategy. Besides N-mediated surface passivation by ethylenediamine, the Mg-citric acid chelate played the roles of introducing Mg and preserving the carboxyl group, both greatly contributing to the photoluminescence enhancement of the final CDs. Importantly, the N- and Mg-doping functioned in concert without mutual influence.

引用

页码：3201 / 3205

页数：5

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