Abstract
Developing hole-transport materials (HTMs) with high hole mobility is critical for constructing efficient perovskite solar cells (PSCs). We present a design strategy for improving hole mobility and PSC performance using a stable zinc complex-based HTM BPZ23. Compared to its non-metal counterpart (BP21), the BPZ23 demonstrated a 59.42% increase in hole mobility, resulting in a good perovskite layer with reduced trap-assisted recombination. As a result, the power conversion efficiency of the fabricated inverted PSC using BPZ23 is up to 19.75%, which is one of the highest reported for any transition metal complex-based HTM employed in inverted PSC. This research demonstrates a simple and efficient method for increasing hole mobility in HTMs and improving the photovoltaic performance of PSCs.
Original language | English |
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Pages (from-to) | 10145-10151 |
Number of pages | 7 |
Journal | Journal of Materials Chemistry C |
Volume | 12 |
Issue number | 27 |
DOIs | |
State | Published - 14 May 2024 |
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CCDC 2267695: Experimental Crystal Structure Determination
Tingare, Y. S. (Contributor), Hsu, Y.-C. (Contributor), Lin, J.-D. (Contributor), Su, C. (Contributor), Wang, W.-C. (Contributor), Wang, S.-H. (Contributor), Lai, S.-Y. (Contributor), Wu, Z.-T. (Contributor), Lin, J.-H. (Contributor), Wang, H.-H. (Contributor) & Li, W.-R. (Contributor), Cambridge Crystallographic Data Centre, 2024
DOI: 10.5517/ccdc.csd.cc2g3qgs, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccdc.csd.cc2g3qgs&sid=DataCite
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