Outside Back Cover: Giant Bulk Photovoltaic Effect in a Chiral Polar Crystal based on Helical One-dimensional Lead Halide Perovskites (Angew. Chem. 16/2025)
{"title":"Outside Back Cover: Giant Bulk Photovoltaic Effect in a Chiral Polar Crystal based on Helical One-dimensional Lead Halide Perovskites (Angew. Chem. 16/2025)","authors":"Ayumi Ishii, Ryohei Sone, Tomohide Yamada, Mizuki Noto, Hikari Suzuki, Daiki Nakamura, Kei Murata, Takuya Shiga, Kazuyuki Ishii, Masayuki Nihei","doi":"10.1002/ange.202506098","DOIUrl":null,"url":null,"abstract":"<p>In their Research Article (e202424391), Ayumi Ishii and co-workers present a giant bulk photovoltaic effect (BPVE) in chiral polar crystals of helical 1D lead halide perovskites using chiral naphthylethylamine cations. The crystals, with a C2 space group, exhibit strong circular dichroism and an exceptional BPVE, achieving an open-circuit voltage of 15 V—five times their band gap. These findings highlight the potential of chiral polar semiconductors for high-efficiency photovoltaic applications.\n\n <figure>\n <div><picture>\n <source></source></picture><p></p>\n </div>\n </figure></p>","PeriodicalId":7803,"journal":{"name":"Angewandte Chemie","volume":"137 16","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ange.202506098","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Angewandte Chemie","FirstCategoryId":"1085","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/ange.202506098","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In their Research Article (e202424391), Ayumi Ishii and co-workers present a giant bulk photovoltaic effect (BPVE) in chiral polar crystals of helical 1D lead halide perovskites using chiral naphthylethylamine cations. The crystals, with a C2 space group, exhibit strong circular dichroism and an exceptional BPVE, achieving an open-circuit voltage of 15 V—five times their band gap. These findings highlight the potential of chiral polar semiconductors for high-efficiency photovoltaic applications.
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