期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 11, 期 12, 页码 2265-2267出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.10.003
关键词
Quantum dot; Solar cell; CdSe; pH value
资金
- Nanyang Technological University [RGM 44/06]
- National Science Foundation of China [50872022]
- Foundation of Doctoral Program of Ministry of Education [20030286003]
- Program for New Century Excellent Talents in University
We report an improved quantum dot sensitized solar cell (QDSSC) by loading mercaptopropionic acid (MPA)-capped CdSe QDs on TiO2 film in aqueous solution. Under suitable pH value, a power conversion efficiency of 1.19% and an incident photon to current conversion efficiency of 26% for the QDSSC were obtained at AM1.5G irradiation. The improved performance of QDSSC is attributed to the large loading and good coverage of QDs on TiO2 film with optimal pH value. (C) 2009 Elsevier B.V. All rights reserved.
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