Shenghan Wu received his BS degree from Henan University in 2023. Currently, he is a PhD candidate under the supervision of Prof. Dewei Zhao in College of Materials Science and Engineering, Sichuan University. His research focuses on wide-bandgap perovskite solar cells and perovskite/silicon tandem solar cells.
Dewei Zhao received his PhD degree from Nanyang Technological University, Singapore, in 2011. Since 2012, he has worked as a postdoc at University of Michigan and University of Florida and as a research assistant professor in Prof. Yanfa Yan's group at the University of Toledo. Currently, he is a professor at College of Materials Science and Engineering, Sichuan University. His research focuses on organic/inorganic hybrid optoelectronic devices, such as thin-film solar cells, light-emitting diodes, and photodetectors.
Fig. 1.
(Color online) (a) Schematic diagram of PSTSCs: 2T (left), 3T (middle), and 4T (right). Adapted from Ref. [2]. Copyright 2022, Elsevier. (b) Evolution of the efficiency in PSCs and PSTSCs. (c) J?V curve and efficiency at the maximum power point (inset) of the champion tandem device. Adapted from Ref. [5]. Copyright 2015, Springer Nature. (d) Schematic illustration of the PSTSC and corresponding picture of the perovskite top cell on textured Si (up). Asymptotic maximum power scan (down). Adapted from Ref. [8]. Copyright 2023, American Association for the Advancement of Science. (e) Schematic view of a fully textured monolithic perovskite-silicon tandem (up). J?V scans of the control and DSC-treated tandem cells (down). Adapted from Ref. [9]. Copyright 2024, Wiley. (f) Cross-sectional SEM image of an all-perovskite TSC (up). J?V curve of the best-performing TSC (down). Adapted from Ref. [10]. Copyright 2023, Springer Nature. (g) Schematic diagram of perovskite/silicon heterojunction tandem solar cell (up). J?V curves of the tandem device under reverse and forward bias (down). Adapted from Ref. [12]. Copyright 2024, Springer Nature.
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