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Experimental and Optoelectronic simulation strategies for perovskite-silicon tandem voltage above 2 V.

ABSTRACT

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Perovskite-silicon tandem solar cells are important because they have the potential to significantly improve the efficiency of solar energy conversion. Silicon solar cells are the most common type of solar cell today, but they have a theoretical efficiency limit of about 29.4%. Tandem solar cells, on the other hand, have a much higher theoretical efficiency limit of about 45%. By stacking a perovskite solar cell on top of a silicon solar cell, tandem solar cells can achieve efficiencies that are significantly higher than either type of solar cell alone.

7^th Physics In-house Symposium

Department of Physics, IIT Madras.

Dinesh Kumar¹, Rajesh Maurya², Rajesh Kanakala² , Trilok Singh¹, Jatindra Kumar Rath^2*

¹School of Energy Science and Engineering IIT Kharagpur and ²Department of Physics, DSEHC, Indian Institute of Technology Madras, Chennai, Tamil Nadu 600 036, India

*jkr@iitm.ac.in

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Acknowledgment

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DK acknowledges PMRF, IIT Kharagpur, PV LAB, Physics department IIT MADARS, TS acknowledges SERB, IIT Kharagpur , RM, RK, JKR acknowledges DST, IIT Madras for research facilities, fellowships, funding and other resources.

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References:

1. Leijtens, T., et al. Opportunities and challenges for tandem solar cells using metal halide perovskite semiconductors. Nat Energy 3, 828–838 (2018).
2. https://www.nrel.gov/

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Tandem solar cell output

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High efficiency tandem solar cells can be obtained by combining the best of both worlds, i.e. vacuum processing of silicon solar cells and solution processing of perovskite solar cells, with only a moderate increase in the production cost compared to single-junction solar cells.