Abstract
In this chapter, we delineate the present state-of-the-art of solution-processed PEDOT:PSS/n-Si heterojunction solar cells in detail. Here, we discuss the emergence, principle of operation, fabrication process, carrier transport properties, and evolution of the efficiency of the PEDOT:PSS/n-Si heterojunction solar cells. We also discuss with the challenges of the solar cells and propose few design guidelines to further improve the efficiency of the solar cells in future. The SCAPS-1D simulation reveals that the use of n+ CdS or In3Se4 BSF layer which can be deposited by simple solution process enhances the efficiency of the PEDOT:PSS/n-Si heterojunction solar cells to 30.94–35.05% with a higher VOC of 0.89 V. The short-circuit current of the solar cells can be further increased by the use of proper ARC layer on the top of the PEDOT:PSS/n-Si heterojunction solar cells.
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Acknowledgements
The authors would like to thank their colleagues Q. Liu, K. Ishikawa, T. Ohki, S. Funada, K. Ichikawa, T. Kuroki, T. Miura, B. K. Mondal, and D. Harada for their efforts during this study.
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Hossain, J., Saiful Islam, A.T.M., Kasahara, K., Ishikawa, R., Ueno, K., Shirai, H. (2021). State-of-the-Art of Solution-Processed Crystalline Silicon/Organic Heterojunction Solar Cells: Challenges and Future. In: Roy, J.K., Kar, S., Leszczynski, J. (eds) Development of Solar Cells. Challenges and Advances in Computational Chemistry and Physics, vol 32. Springer, Cham. https://doi.org/10.1007/978-3-030-69445-6_2
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