期刊
ACS APPLIED MATERIALS & INTERFACES
卷 5, 期 11, 页码 5080-5084出版社
AMER CHEMICAL SOC
DOI: 10.1021/am400930h
关键词
carbon quantum dots; enhanced UV-vis light absorbance; photoelectric conversion; energy transfer; dye-semiconductor complex; power conversion efficiency
资金
- National Basic Research Program of China (973 Program) [2012CB825800, 2013CB932702]
- National Natural Science Foundation of China [51132006, 61008014, 21073127, 21071104]
- Specialized Research Fund for the Doctoral Program of Higher Education [20123201110018]
- Suzhou Planning Project of Science and Technology [ZXG2012028]
- Foundation for the Author of National Excellent Doctoral Dissertation of China [200929]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Hong Kong Scholar Program [XJ2011014]
Compared to nature's photoelectric conversion processes, artificial devices are still far inferior in efficiency and stability. Inspired by light absorption and resonance energy transfer processes of chlorophyll, we developed a highly efficient photoelectric conversion system by introducing Carbon quantum dots (CQDs) as an electron transfer intermediary. Compared with conventional dye-sensitized semiconductor systems, the present CQD-doped system showed significantly higher photoelectric conversion efficiency, as much as 7 times that without CQDs. The CQD-doped dye/semiconductor system may provide a powerful approach h to the development of highly efficient photoelectric devices.
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