Ideal HTLs May Open the Door for Further Development of Sb 2 Se 3 Solar Cells—A Numerical Approach

Mamta, Raman Kumari, Rahul Kumar, Kamlesh Kumar Maurya () and Vidya Nand Singh ()
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Mamta: Academy of Scientific and Innovative Research (Asir), Ghaziabad 201002, India
Raman Kumari: Academy of Scientific and Innovative Research (Asir), Ghaziabad 201002, India
Rahul Kumar: Academy of Scientific and Innovative Research (Asir), Ghaziabad 201002, India
Kamlesh Kumar Maurya: Academy of Scientific and Innovative Research (Asir), Ghaziabad 201002, India
Vidya Nand Singh: Academy of Scientific and Innovative Research (Asir), Ghaziabad 201002, India

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

Abstract: Antimony selenide (Sb 2 Se 3 ) material has been brought into sharp focus in the solar cell field due to its remarkable performance in recent times. Solar cell efficiency increases daily because of the excellent properties of Sb 2 Se 3 material and progressive optimisation of each layer, especially the hole-transporting layer (HTL); it suppresses the recombination of the back surface and increases the built-in potential and efficiency. In this work, we used Sb 2 Se 3 as an absorber layer and compared the behaviour of typical hole transport materials (HTMs) (Spiro-OMeTAD, CuSCN, and CuI) and their influence on device performance. The Sb 2 Se 3 photovoltaic model with different HTMs was studied by SCAPS (version 3.3.10) software. Efficiency is highly influenced by light source and intensity. Thickness and defect density of the Sb 2 Se 3 layer, the work function of the back contact, and series and shunt resistances also play an essential role in the better execution of solar cells. The performance of the device is enhanced when the transmission percentage increases at the front contact. The metalwork function must be 5 eV to attain a highly efficient PV cell, and after optimisation, CuI is the best HTM with a 23.48% efficiency.

Keywords: HTL; simulation; Sb 2 Se 3; SCAPS (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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