Long lifetime pure organic phosphorescence based on water soluble carbon dots

被引:498
作者
Deng, Yehao [1 ,2 ]
Zhao, Dongxu [1 ]
Chen, Xing [1 ]
Wang, Fei [1 ,2 ]
Song, Hang [1 ]
Shen, Dezhen [1 ]
机构
[1] Chinese Acad Sci, State Key Lab Luminescence & Applicat, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
关键词
GRAPHENE; NANODOTS; PHOTOLUMINESCENCE; NANOPARTICLES; FLUORESCENCE;
D O I
10.1039/c3cc42600a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Carbon dots show potential in lighting and displays. However, only their fluorescence has been observed so far. Here we report the observation of phosphorescence from carbon dots in a polyvinyl alcohol matrix. The phosphorescence is attributed to C=O bonds on the surface of carbon dots and has a very long lifetime (similar to 380 ms).
引用
收藏
页码:5751 / 5753
页数:3
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