Journal
NANOSCALE RESEARCH LETTERS
Volume 11, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/s11671-016-1231-1
Keywords
Carbon dots; Nitrogen-doped; Quantum dot solar cells
Funding
- 973 Program - the National Basic Research Program of China Special Funds for the Chief Young Scientist [2015CB358600]
- Excellent Young Scholar Fund from National Natural Science Foundation of China [21422103]
- Jiangsu Fund for Distinguished Young Scientist [BK20140010]
- Jiangsu Specially-Appointed Professor Program [SR10800412]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Jiangsu Scientist and Technological Innovation Team
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Considering the environment protection, green materials are increasingly explored for photovoltaics. Here, we developed a kind of quantum dots solar cell based on nitrogen-doped carbon dots. The nitrogen-doped carbon dots were prepared by direct pyrolysis of citric acid and ammonia. The nitrogen-doped carbon dots' excitonic absorption depends on the N-doping content in the carbon dots. The N-doping can be readily modified by the mass ratio of reactants. The constructed green nitrogen-doped carbon dots solar cell achieves the best power conversion efficiency of 0.79 % under AM 1.5 G one full sun illumination, which is the highest efficiency for carbon dot-based solar cells.
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