Inorganic hole conductor-based lead halide perovskite solar cells with 12.4% conversion efficiency
Nazeeruddin, Mohammad Khaja
KAUST Grant NumberKUS-C1-015-21
Online Publication Date2014-05-12
Print Publication Date2014-12
Permanent link to this recordhttp://hdl.handle.net/10754/597000
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AbstractOrgano-lead halide perovskites have attracted much attention for solar cell applications due to their unique optical and electrical properties. With either low-temperature solution processing or vacuum evaporation, the overall conversion efficiencies of perovskite solar cells with organic hole-transporting material were quickly improved to over 15% during the last 2 years. However, the organic hole-transporting materials used are normally quite expensive due to complicated synthetic procedure or high-purity requirement. Here, we demonstrate the application of an effective and cheap inorganic p-type hole-transporting material, copper thiocyanate, on lead halide perovskite-based devices. With low-temperature solution-process deposition method, a power conversion efficiency of 12.4% was achieved under full sun illumination. This work represents a well-defined cell configuration with optimized perovskite morphology by two times of lead iodide deposition, and opens the door for integration of a class of abundant and inexpensive material for photovoltaic application. © 2014 Macmillan Publishers Limited.
CitationQin P, Tanaka S, Ito S, Tetreault N, Manabe K, et al. (2014) Inorganic hole conductor-based lead halide perovskite solar cells with 12.4% conversion efficiency. Nat Comms 5. Available: http://dx.doi.org/10.1038/ncomms4834.
SponsorsWe acknowledge financial contribution from Greatcell Solar SA, Epalinges, Switzerland, The research leading to these results have received funding from the European Union Seventh Framework Programme [FP7/2007-2013] under grant agreement no. 604032 of the MESO project, under grant agreement no. 246124 of the SANS project, CE-Mesolight EPFL, the ECR advanced grant agreement no. 247404 and the King Abdullah University of Science and Technology (KAUST, Award no. KUS-C1-015-21). M.K.N. thanks the Global Research Laboratory (GRL) Program, Korea, and World Class University programs (Photovoltaic Materials, Department of Material Chemistry, Korea University) funded by the Ministry of Education, Science and Technology through the National Research Foundation of Korea (No. R31-2008-000-10035-0). Part of this work was supported by the Advanced Low Carbon Technology Research and Development Program (ALCA) of the Japan Science and Technology Agency (JST).
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