Randomized trial shows enhanced efficiency in perovskite solar cells using ionized materials, suggesting improved performance.
Self-assembled hole-transporting materials (HTMs) offer considerable potential for perovskite solar cells (PSCs). However, interfacial optimization is critical for high performance. Twisted donor–acceptor–donor HTMs incorporating double anchoring groups were developed to improve energy alignment and defect passivation. Ionization was observed to enhance interfacial interactions and wettability, facilitate nucleation, and suppress recombination, resulting in a 20.28% efficiency for ionic HTM XYC108. These findings highlight the potential of ionized SAM-based HTMs for efficient inverted PSCs.
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Tingare et al. (2026) studied this question.
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