期刊
ANALYST
卷 144, 期 15, 页码 4569-4574出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9an00672a
关键词
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资金
- Fundamental Research Funds for Central Universities [XDJK2019B001, SWU118035]
- Transformative Project for Excellent Scientific and Technological Achievements in University [KJZH17108]
- Special Program for Chongqing Social Business and People's Livelihood Guarantee of Science and Technology [cstc2017shmsA30001]
A high quantum yield (QY) is the key requirement for implementing carbon dots (CDs) in nearly all applications. In this work, blue emissive N-doped CDs with a QY of 83% and orange emissive N-doped CDs with a QY of 47% were successfully prepared using resorcinol and phloroglucin as carbon resources in formamide by one-step microwave synthesis, respectively. Formamide not only plays a role as the solvent but also takes part in the formation of the high QY CDs. It is demonstrated that the as-prepared blue- and orange-emitting N-doped CDs with a high QY can be uniformly dispersed into glue and be fabricated as CD/glue fluorescent composites for fluorescent films and fingerprint imaging. Furthermore, these CDs also show excellent cellular imaging capability.
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