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Improving the performance of quantum dot-sensitized solar cells by using TiO2 nanosheets with exposed highly reactive facets.
MedLine Citation:
PMID:  23680858     Owner:  NLM     Status:  Publisher    
We demonstrated CdS quantum dot-sensitized solar cells (QDSSCs) based on anatase TiO2 nanosheets with exposed {001} and {100} facets. Under the illumination of one Sun (AM 1.5 G, 100 mW cm(-2)), the photovoltaic conversion efficiencies were 2.29% for a QDSSC based on {001}-TiO2 nanosheets, 2.18% for a QDSSC based on {100}-TiO2 nanosheets, and 1.46% for a QDSSC based on commercial Degussa P25. It was found that the exposed highly reactive facets of TiO2 nanosheets had a remarkable influence on the QDSSCs due to their better adsorption abilities for QDs, leading to the high short current density and the enhanced photovoltaic performance.
Ting You; Lei Jiang; Ke-Li Han; Wei-Qiao Deng
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-5-16
Journal Detail:
Title:  Nanotechnology     Volume:  24     ISSN:  1361-6528     ISO Abbreviation:  Nanotechnology     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-5-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101241272     Medline TA:  Nanotechnology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  245401     Citation Subset:  -    
State Key Laboratory of Molecular Reaction Dynamics, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China.
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