Abstract
A semitransparent organic solar cells (STOSCs) based on the PTB7-TH:PC71BM blended were obtained. The power conversion efficiency (PCE) and an average visible light transmission rate achieved 5.06% and 47.95%, respectively. For sufficiently absorption of the sunlight, the multi-terminal tandem solar cells (TSCs) were constructed. Three different structures of TSCs are constructed to adequately absorb the sunlight. One of them is the superposition of five same STOSCs, the PCE of TSCs obtains 10.83%. One is STOSCs as the top cell and the normal organic solar cells as the bottom cell; the PCE of TSCs obtains 9.90%. And the other one is STOSCs as the top cell and inorganic Cu2ZnSn(S,Se)4 as the bottom cell; the PCE of TSCs obtains 11.29%, and the absorption wavelength range extends to 1200 nm with the antireflection film.
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Data available on request from the authors. The data that support the findings of this study are available from the corresponding author, Qiao Zheng, upon reasonable request.
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Funding
This work was supported by the National Natural Science Foundation of China (Grant No. 61704028) and the Natural Science Foundation of Fujian Province (Grant No. 2019J01217).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by SD, QS, and JH. The first draft of the manuscript was written by QZ and all authors commented on the previous versions of the manuscript. All authors read and approved the final manuscript.
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Zheng, Q., Du, S., Sun, Q. et al. High light utilization of multi-terminal tandem device based on semitransparent organic solar cells. J Mater Sci: Mater Electron 34, 1214 (2023). https://doi.org/10.1007/s10854-023-10590-9
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DOI: https://doi.org/10.1007/s10854-023-10590-9