期刊
OPTICAL MATERIALS
卷 118, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.optmat.2021.111285
关键词
Perovskite solar cell (PSC); Power conversion efficiency (PCE); Carrier transport materials; External quantum efficiency (EQE); Fill factor (FF)
资金
- Technical Education Quality Improvement Programme (TEQIP-III, MoE)
- National Institute of Technology Arunachal Pradesh, India
- TEQIP-III, MoE
This study optimized the perovskite solar cell performance through the use of double graded active layers and double carrier transport materials, achieving higher optoelectronic parameters and power conversion efficiency.
In this paper, optimization of perovskite solar cell (PSC) with a computational simulation approach of double graded active layers for attaining an excellent power conversion efficiency (PCE) has been studied. The device is designed before the fluency in charge carriers with the implication of the double carrier transport materials (ETMs and HTMs) in the simulated PSC architecture. The present study further facilitates that the perovskite active materials with optimized thickness are stacked having a bandgap of 1.6 eV for achieving an improved short circuit current density (JSC) of about 20.29 mA/cm(2), exhibiting a high open-circuit voltage (VOC) of 1.1 V, fill factor (FF) about an average of 90% and an excellent power conversion efficiency (PCE) of 19.20%, respectively. Furthermore, the highest external quantum efficiency (EQE), averaging 82%, is also observed for the PSC, precisely in the wavelength span of 380 nm-800 nm. Hence, the static combination of the double carrier transport materials having double graded active layers effectively enhances the optoelectronic parameters and provides a significant pathway for further device optimization in the future.
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