ArticleAngewandte Chemie (International ed. in English)2022
Pyrene-Based Dopant-Free Hole-Transport Polymers with Fluorine-Induced Favorable Molecular Stacking Enable Efficient Perovskite Solar Cells.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Site-Specific Carboxylate Functionalization in Conjugated Hole Transport Polymers Enables Efficient CsPbIAdvanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Fused Dithienoheterocycle-Based Hole-Transporting Materials for Efficient Perovskite Solar Cells.Chemistry, an Asian journal · 2026Article
- Novel quantitative valuation of hybrid perovskite solar cells.Scientific reports · 2025Article
- Reducing Interfacial Recombination in Inverted Perovskite Solar Cells With Selenophene-Substituted PCBM: Comparison With Thiophene and Furan Substitution.ChemSusChem · 2025Article
- Pyrene-based hole transport materials for efficient perovskite solar cells.Turkish journal of chemistry · 2025Review
- Pyrene-Based Dopant-Free Hole-Transport Polymers with Fluorine-Induced Favorable Molecular Stacking Enable Efficient Perovskite Solar Cells.Angewandte Chemie (International ed. in English) · 2022Article
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Abstract
A new class of polymeric hole-transport materials (HTMs) are explored by inserting a two-dimensionally conjugated fluoro-substituted pyrene into thiophene and selenophene polymeric chains. The broad conjugated plane of pyrene and "Lewis soft" selenium atoms not only enhance the π-π stacking of HTM molecules greatly but also render a strong interaction with the perovskite surface, leading to an efficient charge transport/transfer in both the HTM layer and the perovskite/HTM interface. Note that fluorine substitution adjacent to pyrene boosts the stacking of HTMs towards a more favorable face-on orientation, further facilitating the efficient charge transport. As a result, perovskite solar cells (PSCs) employing PE10 as dopant-free HTM afford an excellent efficiency of 22.3 % and the dramatically enhanced device longevity, qualifying it among the best PSCs based on dopant-free HTMs.
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