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Two-Dimensional Dion–Jacobson Structure Perovskites for Efficient Sky-Blue Light-Emitting Diodes
https://oist.repo.nii.ac.jp/records/1951
https://oist.repo.nii.ac.jp/records/19513b1d06df-c8d6-4efd-a6d2-a573c37059f0
名前 / ファイル | ライセンス | アクション |
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MS (2.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-03-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Two-Dimensional Dion–Jacobson Structure Perovskites for Efficient Sky-Blue Light-Emitting Diodes | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者(英) |
Liu, Yuqiang
× Liu, Yuqiang× Ono, Luis K.× Tong, Guoqing× Zhang, Hui× Qi, Yabing |
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書誌情報 |
en : ACS Energy Letters 巻 6, p. 908-914, 発行日 2021-02-11 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Two-dimensional Ruddlesden–Popper (RP) and Dion–Jacobson (DJ) phase perovskites are promising alternatives to fabricate blue perovskite light-emitting diodes (PeLEDs) due to their strong quantum/dielectric confinement. While the RP phase perovskites have been widely used as emitter layers in blue PeLEDs, the DJ phase perovskites, possessing better structural stability and charge transfer property, have received little attention. Here, we report the use of DJ phase perovskites for fabricating efficient sky-blue PeLEDs. Organic diamine propane-1,3-diammonium cations were first incorporated into CsPbBr3 to prepare DJ phase perovskites. RbBr was further incorporated as a passivation agent to eliminate traps. It is found that diamine cations and RbBr are interdependent in terms of increasing the utilization of charges. Radiative recombination was enhanced, effectively benefiting from the synergetic confinement and passivation effects. The photoluminescence quantum yield approached 70%. Finally, the fabricated PeLEDs achieved an external quantum efficiency of 8.5% with an emission peak at 490 nm. | |||||
出版者 | ||||||
出版者 | American Chemical Society | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2380-8195 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1021/acsenergylett.1c00129 | |||||
権利 | ||||||
権利情報 | © 2021 American Chemical Society | |||||
権利 | ||||||
権利情報 | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Energy Letters, copyright © American Chemical Society after peer review and technical editing by t he publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsenergylett.1c00129. | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://pubs.acs.org/doi/10.1021/acsenergylett.1c00129 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |