Mn-Doped Quantum Dot Sensitized Solar Cells: A Strategy to Boost Efficiency over 5

To make Quantum Dot Sensitized Solar Cells (QDSC) competitive, it is necessary to achieve power conversion efficiencies comparable to other emerging solar cell technologies. By employing Mn2+ doping of CdS, we have now succeeded in significantly improving QDSC performance. QDSC constructed with Mn-d...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2012-02, Vol.134 (5), p.2508-2511
Main Authors: Santra, Pralay K, Kamat, Prashant V
Format: Article
Language:English
Subjects:
Cadmium Compounds - chemistry
Manganese - chemistry
Quantum Dots
Selenium Compounds - chemistry
Solar Energy
Sulfides - chemistry
Titanium - chemistry
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Summary:To make Quantum Dot Sensitized Solar Cells (QDSC) competitive, it is necessary to achieve power conversion efficiencies comparable to other emerging solar cell technologies. By employing Mn2+ doping of CdS, we have now succeeded in significantly improving QDSC performance. QDSC constructed with Mn-doped-CdS/CdSe deposited on mesoscopic TiO2 film as photoanode, Cu2S/Graphene Oxide composite electrode, and sulfide/polysulfide electrolyte deliver power conversion efficiency of 5.4%.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja211224s