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Characteristic Features and Performance Investigations of a PTB7:PC71BM/PFN:Br Pure Organic Solar Cell Using SCAPS-1D
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Characteristic Features and Performance Investigations of a PTB7:PC71BM/PFN:Br Pure Organic Solar Cell Using SCAPS-1D
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Characteristic Features and Performance Investigations of a PTB7:PC71BM/PFN:Br Pure Organic Solar Cell Using SCAPS-1D
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Journal Article
Characteristic Features and Performance Investigations of a PTB7:PC71BM/PFN:Br Pure Organic Solar Cell Using SCAPS-1D
2023
Overview
Organic solar cells are becoming a point of interest for researchers because they are less polluting than available solar cells in the photovoltaics industry. In this present work, we have optimized the characteristic parameters of the PTB7:PC71BM active layer along with graphene oxide (GO) as the hole transport layer (HTL) and PFN:Br as an electron transport layer (ETL) in the proposed organic solar cell. By optimizing the electron affinity (χActive) of the active layer, we observed the highest cell power conversion efficiency (PCE) of about 15.31% at χActive=3.9eV, and we analyzed the active layer thickness-dependent optical properties. Further, the simultaneous effects of electron and hole mobility of the ETL and the HTL were examined. In addition, the impact of series and shunt resistance was observed within the practical range (0–10 Ω cm2) and (1 × 102 − 1 × 1010 Ω cm2), respectively. The obtained result shows that the cell performance is best for the lowest series resistance with shunt resistance of about 1 × 103 Ω cm2. The obtained fill factor is about 55%, which decreases rapidly with the increase in shunt resistance. Furthermore, the influence of environmental conditions, such as weather temperature and illumination intensity of the sunlight, have been monitored. In this context, the intensity of the sun is varied from 1 Sun to 5 Sun with a temperature variation from 253 K to 333 K, and it is found that the proposed organic cell provides the best output in its class at 1.5 Sun and 333 K. Altogether, the results signify that the overall efficiency of the proposed organic solar cell considering the best values of all parameters is 13.21%.
Publisher
Springer Nature B.V
