Evaporated MAPbI 3 Perovskite Planar Solar Cells with Different Annealing Temperature

Yi-Tsung Chang, Ching-Ho Tien, Kun-Yi Lee, Yu-Shen Tung and Lung-Chien Chen
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Yi-Tsung Chang: Department of Physics, School of Science, Jimei University, Xiamen 361021, China
Ching-Ho Tien: Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Kun-Yi Lee: Department of Electrical Engineering, China University of Science and Technology, Taipei 11581, Taiwan
Yu-Shen Tung: Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
Lung-Chien Chen: Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan

Energies, 2021, vol. 14, issue 8, 1-12

Abstract: The power conversion efficiency (PCE) of an Ag/spiro-OMeTAD/CH 3 NH 3 PbI 3 (MAPbI 3 )/PCBM/mesoporous TiO 2 /compact TiO 2 /FTO planar solar cell with different annealing temperatures of PbI 2 and MAPbI 3 films was investigated in this study. The morphology control of a MAPbI 3 thin film plays key roles in high-efficiency perovskite solar cells. The PbI 2 films were prepared by using thermal vacuum evaporation technology, and the MAPbI 3 perovskite films were synthesized with two-step synthesis. The X-ray spectra and surface morphologies of the PbI 2 and MAPbI 3 films were examined at annealing temperatures of 80, 100, 120, and 140 °C for 10 min. The performance of the perovskite planar solar cell at an annealing temperature of 100 °C for 10 min was demonstrated. The power conversion efficiency (PCE) was about 8.66%, the open-circuit voltage (V oc ) was 0.965 V, the short-circuit current (J sc ) was 13.6 mA/cm 2 , and the fill factor (FF) was 0.66 by scanning the density–voltage (J–V) curve.

Keywords: perovskite; solar cell; evaporation; MAPbI 3 (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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