期刊
DALTON TRANSACTIONS
卷 41, 期 31, 页码 9526-9531出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt30985h
关键词
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资金
- National Basic Research Program of China (973 Program) [2012CB825800, 2010CB934500]
- National Natural Science Foundation of China (NSFC) [51132006, 91027041, 21073127, 21071104]
- Foundation for the Author of National Excellent Doctoral Dissertation of P R China (FANEDD) [200929]
- Research Grants Council of the Hong Kong Special Administrative Region, China [CityU102010]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Natural Science Foundation of the Jiangsu Higher Education Institutions of China [11KJB150015]
High quality carbon nanodots (C-dots) with high purity were synthesized through a mild, one-step electrochemical approach, without the assistance of any chemicals but only pure water. This high productivity method makes the synthetic process of C-dots synthesis both economical as well as environment-friendly. The as prepared C-dots are predominantly multi-layer graphene oxide, with luminescence and high up-conversion photoluminescence (emission of light at shorter wavelengths than the excitation wavelength). Meanwhile, C-dots showed peroxidise mimetic function and visible-light-sensitive photocatalytic activity for methyl orange degradation. In addition, a novel photocatalyst (TiO2/C-dots) was obtained by combining C-dots with TiO2 through an easy hydrothermal method. Remarkably, TiO2/C-dots exhibited an excellent visible-light photocatalytic activity.
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