Numerical Analysis of Performance of Various ETL Materials for Cesium Titanium (IV) Single Halide Based PSCs
| Authors | Kunal Chakraborty1 , S.V. Kumari2 , Sri Harsha Arigela3 , Mahua Gupta Choudhury1 , Sudipta Das4 , Samrat Paul1 |
| Affiliations |
1Department of Energy Engineering, North-Eastern Hill University, Shillong, Meghalaya, India 2Department of ECE, NRI Institute of Technology, Agiripalli, Krishna Dist, AP, India 3Department of Mechanical Engineering, Koneru Lakshmaiah Education Foundation, Guntur, AP, India 4Department of ECE, IMPS College of Engineering and Technology, Nityanandapur, Malda, W.B, India |
| Е-mail | |
| Issue | Volume 14, Year 2022, Number 3 |
| Dates | Received 24 March 2022; revised manuscript received 25 June 2022; published online 30 June 2022 |
| Citation | Kunal Chakraborty, S.V. Kumari, Sri Harsha Arigela, et al., J. Nano- Electron. Phys. 14 No 3, 03015 (2022) |
| DOI | https://doi.org/10.21272/jnep.14(3).03015 |
| PACS Number(s) | 88.40.hj |
| Keywords | Halide (2) , Perovskite (6) , SCAPS-1D (21) , Photovoltaic (13) , PCE (6) . |
| Annotation |
Lead-free perovskite solar cells (PSCs) appear to be a great contender of thin film based photovoltaic (PV) technology as they solve two prime issues, toxicity and stability. Ti-based PSCs can be imperative in a high-performance PV device. The external quantum efficiency (EQE) or classical efficiency is often used to measure the optical performance of the solar cell device. This work has a scope in optimizing ETL/HTL and other interfaces to obtain the most efficient Cs2TiI6 – xBrx PSC, and enhancement in Jsc will increase the Shockley-Read-Hall (SRH) recombination. In such circumstances, selection and optimization of electron transport layers (ETLs) and hole transport layers (HTLs) materials are the major factor to be considered effectively to achieve optimum PV performance. Among all ETLs, TiO2 is found to be the most suitable ETL for our proposed FTO/ETLs/Cs2TiX6/HTL/Ag based n-i-p structured PSCs. The optimum thickness of ETL should be 150-200 nm and of HTL – 10-20 nm, with the following optimized PV performance: Voc = 1.23 V, Jsc = 19.378 mA/cm2, PCE = 14.537 % (Cs2TiBr6); Voc = 1.09 V, Jsc = 23.213 mA/cm2, PCE = 17.452 % (Cs2TiI6); Voc = 1.53 V, Jsc = 16.822 mA/cm2, PCE = 12.578 % (Cs2TiF6) and Voc = 8.53 V, Jsc = 10.079 mA/cm2, PCE = 7.348 % (Cs2TiCl6). Thus, a detailed study of this class of materials containing halide perovskite is need of the hour. |
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List of References |
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