期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 142, 期 48, 页码 20324-20328出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c10132
关键词
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资金
- Spanish Ministry of Science, Innovation and Universities MCIU [CTQ2017-84327-P, CTQ2017-83531-R]
- Deutsche Forschungsgemeinschaft (DFG) [SFB 953]
- ALN
Carbon nanodots (CNDs) undergo electron transfer in different scenarios. Previous studies have mainly focused on the electron-accepting features of CNDs in covalently linked donor-acceptor nanoconjugates. In view of this, we decided to carry out in this study the formation of covalently linked nanoconjugates that feature electron-donating pressure synthesized carbon nanodots (pCNDs) and electron-accepting 11,11,12,12-tetracyano-9,10-anthra-p-quinodimethane (TCAQ): pCND-TCAQ The stability of the one-electron reduced form of TCAQ renders it the acceptor of choice. Detailed structural and electrochemical investigations allowed the characterization of pCND-TCAQ Furthermore, investigations regarding intramolecular interactions, by means of steady-state and pump-probe transient absorption spectroscopies, allowed detection and characterization of three excited state species, in general, and the pCND(center dot+)-TCAQ(center dot-) charge-separated state, in particular.
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