4.8 Article

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

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 5, Pages 2508-2511

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja211224s

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Funding

  1. Office of Basic Energy Sciences of U.S. Department of Energy [DE-FC02-04ER15533]

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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%.

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