Performance Improvement of Perovskite Solar Cell Design with Double Active Layer to Achieve an Efficiency of over 31%

Sagar Bhattarai (), Mustafa K. A. Mohammed, Jaya Madan, Rahul Pandey, Mohd Zahid Ansari, Ahmed Nabih Zaki Rashed, Mongi Amami and M. Khalid Hossain ()
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Sagar Bhattarai: Technology Innovation and Development Foundation, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
Mustafa K. A. Mohammed: College of Engineering, University of Warith Al-Anbiyaa, Karbala 56001, Iraq
Jaya Madan: VLSI Centre of Excellence, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura 140401, Punjab, India
Rahul Pandey: VLSI Centre of Excellence, Chitkara University Institute of Engineering and Technology, Chitkara University, Rajpura 140401, Punjab, India
Mohd Zahid Ansari: School of Materials Science and Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea
Ahmed Nabih Zaki Rashed: Department of Electronics and Electrical Communications Engineering, Menoufia University, Menouf 32951, Egypt
Mongi Amami: Department of Chemistry, College of Sciences, King Khalid University, Abha P.O. Box 9004, Saudi Arabia
M. Khalid Hossain: Institute of Electronics, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Dhaka 1349, Bangladesh

Sustainability, 2023, vol. 15, issue 18, 1-13

Abstract: This research aims to optimize the efficiency of the device structures by introducing the novel double perovskite absorber layer (PAL). The perovskite solar cell (PSC) has higher efficiency with both lead perovskite (PVK), i.e., methylammonium tin iodide (MASnI 3 ) and Caseium tin germanium iodide (CsSnGeI 3 ). The current simulation uses Spiro-OMeTAD as the hole transport layer (HTL) and TiO 2 as an electron transport layer (ETL) to sandwich the PVK layers of MASnI 3 and CsSnGeI 3 , which have precise bandgaps of 1.3 eV and 1.5 eV. The exclusive results of the precise modeling technique for organic/inorganic PVK-based photovoltaic solar cells under the illumination of AM1.5 for distinctive device architectures are shown in the present work. Influence of defect density (DD) is also considered during simulation that revealed the best PSC parameters with J SC of 31.41 mA/cm 2 , V OC of 1.215 V, FF of nearly 82.62% and the highest efficiency of 31.53% at the combined DD of 1.0 × 10 14 cm −3 . The influence of temperature on device performance, which showed a reduction in PV parameters at elevated temperature, is also evaluated. A steeper temperature gradient with an average efficiency of −0.0265%/K for the optimized PSC is observed. The novel grading technique helps in achieving efficiency of more than 31% for the optimized device. As a result of the detailed examination of the total DD and temperature dependency of the simulated device, structures are also studied simultaneously.

Keywords: perovskite solar cells; CsSnGeI 3 absorber; MASnI 3 absorber; TiO 2 ETL; SCAPS-1D (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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