Journal
SOLAR ENERGY
Volume 122, Issue -, Pages 1047-1051Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2015.10.019
Keywords
Perovskite; Quenching effect; Annealing; Exciton lifetime
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Funding
- Ministry of Science and Technology of the Republic of China [MOST 103-2221-E-027-029-MY2]
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This work studies annealing effects of the CH3NH3PbI3 perovskite film for solar cell applications by time-resolved photoluminescence (TR-PL) spectra. The different thermal annealing temperatures process influences the quality and exciton lifetime of the CH3NH3PbI3 perovskite film and importantly the device performance. The CH3NH3PbI3 perovskite film of the optimal thermal annealing temperatures (100 degrees C) would significantly extended exciton lifetime and yield a higher open-circuit voltage, with short-circuit current density (J(SC)) =21.58 mA/cm(2), open-circuit voltage (V-OC) = 0.84 V, fill factor (FF) = 61.4%, and eta = 11.12%, respectively. (C) 2015 Elsevier Ltd. All rights reserved.
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