{"title":"反向钙钛矿太阳能电池中一种新型扩展共轭自组装空穴传输单层膜","authors":"Qian Wang, Botong Li, Hanqin Yang, Zongxu Na, Yijin Wei, Xuepeng Liu, Mingyuan Han, Xianfu Zhang, Weilun Du, Ghadari Rahim, Yong Ding, Zhipeng Shao, Huai Yang, Songyuan Dai","doi":"10.1002/smll.202500296","DOIUrl":null,"url":null,"abstract":"<p>The application of self-assembled monolayers (SAMs) as hole-transporting materials has greatly improved the performance of inverted perovskite solar cells. Structure engineering of SAMs has proven to be an effective approach to enhance device performance. In this work, a novel SAM featuring extended conjugation is designed and synthesized, designated E-CbzBT. Compared with CbzBT, E-CbzBT exhibits enhanced asymmetric and noncoplanar screw-shaped configuration, leading to uniform and tight packing on ITO. The uniform packing of E-CbzBT increases the wettability of the perovskite precursor solution on the substrate, thereby facilitating perovskite crystallinity and suppressing interfacial trap density more effectively than CbzBT. Accordingly, inverted PSCs employing E-CbzBT reach a champion power conversion efficiency of 25.15%, surpassing 24.06% for CbzBT-based devices. Importantly, the E-CbzBT-based PSCs demonstrate superior ambient and thermal stability. The extending conjugation approach in SAMs represents a promising avenue for further advancements in perovskite solar cell technology.</p>","PeriodicalId":228,"journal":{"name":"Small","volume":"21 18","pages":""},"PeriodicalIF":13.0000,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A Novel Self-Assembled Hole-Transporting Monolayer with Extending Conjugation for Inverted Perovskite Solar Cells\",\"authors\":\"Qian Wang, Botong Li, Hanqin Yang, Zongxu Na, Yijin Wei, Xuepeng Liu, Mingyuan Han, Xianfu Zhang, Weilun Du, Ghadari Rahim, Yong Ding, Zhipeng Shao, Huai Yang, Songyuan Dai\",\"doi\":\"10.1002/smll.202500296\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The application of self-assembled monolayers (SAMs) as hole-transporting materials has greatly improved the performance of inverted perovskite solar cells. Structure engineering of SAMs has proven to be an effective approach to enhance device performance. In this work, a novel SAM featuring extended conjugation is designed and synthesized, designated E-CbzBT. Compared with CbzBT, E-CbzBT exhibits enhanced asymmetric and noncoplanar screw-shaped configuration, leading to uniform and tight packing on ITO. The uniform packing of E-CbzBT increases the wettability of the perovskite precursor solution on the substrate, thereby facilitating perovskite crystallinity and suppressing interfacial trap density more effectively than CbzBT. Accordingly, inverted PSCs employing E-CbzBT reach a champion power conversion efficiency of 25.15%, surpassing 24.06% for CbzBT-based devices. Importantly, the E-CbzBT-based PSCs demonstrate superior ambient and thermal stability. The extending conjugation approach in SAMs represents a promising avenue for further advancements in perovskite solar cell technology.</p>\",\"PeriodicalId\":228,\"journal\":{\"name\":\"Small\",\"volume\":\"21 18\",\"pages\":\"\"},\"PeriodicalIF\":13.0000,\"publicationDate\":\"2025-03-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Small\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1002/smll.202500296\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Small","FirstCategoryId":"88","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1002/smll.202500296","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
A Novel Self-Assembled Hole-Transporting Monolayer with Extending Conjugation for Inverted Perovskite Solar Cells
The application of self-assembled monolayers (SAMs) as hole-transporting materials has greatly improved the performance of inverted perovskite solar cells. Structure engineering of SAMs has proven to be an effective approach to enhance device performance. In this work, a novel SAM featuring extended conjugation is designed and synthesized, designated E-CbzBT. Compared with CbzBT, E-CbzBT exhibits enhanced asymmetric and noncoplanar screw-shaped configuration, leading to uniform and tight packing on ITO. The uniform packing of E-CbzBT increases the wettability of the perovskite precursor solution on the substrate, thereby facilitating perovskite crystallinity and suppressing interfacial trap density more effectively than CbzBT. Accordingly, inverted PSCs employing E-CbzBT reach a champion power conversion efficiency of 25.15%, surpassing 24.06% for CbzBT-based devices. Importantly, the E-CbzBT-based PSCs demonstrate superior ambient and thermal stability. The extending conjugation approach in SAMs represents a promising avenue for further advancements in perovskite solar cell technology.
期刊介绍：
Small serves as an exceptional platform for both experimental and theoretical studies in fundamental and applied interdisciplinary research at the nano- and microscale. The journal offers a compelling mix of peer-reviewed Research Articles, Reviews, Perspectives, and Comments.
With a remarkable 2022 Journal Impact Factor of 13.3 (Journal Citation Reports from Clarivate Analytics, 2023), Small remains among the top multidisciplinary journals, covering a wide range of topics at the interface of materials science, chemistry, physics, engineering, medicine, and biology.
Small's readership includes biochemists, biologists, biomedical scientists, chemists, engineers, information technologists, materials scientists, physicists, and theoreticians alike.
求助内容：
应助结果提醒方式：
京公网安备 11010802042870号
