Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 51, Pages 5751-5753Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc42600a
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Funding
- National Basic Research Program of China (973 Program) [2011CB302004]
- Knowledge Innovation Program of the Chinese Academy of Sciences [KJCX2-YW-W25]
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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).
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