WEKO3
アイテム
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CsPbBrxI3-x thin films with multiple ammonium ligands for low turn-on pure-red perovskite light-emitting diodes
https://oist.repo.nii.ac.jp/records/1789
https://oist.repo.nii.ac.jp/records/1789e4140b62-69c7-4021-82f6-871c2ae9ccec
名前 / ファイル | ライセンス | アクション |
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Manuscript-1 (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-11-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | CsPbBrxI3-x thin films with multiple ammonium ligands for low turn-on pure-red perovskite light-emitting diodes | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CsPbBrxI3-x thin film | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nano-sized crystallites | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface termination | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pure-red color | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | perovskite light-emitting diode | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | low turn-on voltage | |||||
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) |
Jiang, Maowei
× Jiang, Maowei× Hu, Zhanhao× Ono, Luis K.× Qi, Yabing |
|||||
書誌情報 |
en : Nano Research 巻 14, 号 1, p. 191-197, 発行日 2020-09-26 |
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抄録 | ||||||
内容記述タイプ | Other | |||||
内容記述 | All-inorganic α-CsPbBrxI3-x perovskites featuring nano-sized crystallites show great potential for pure-red light-emitting diode (LED) applications. Currently, the CsPbBrxI3–x LEDs based on nano-sized α-CsPbBrxI3-x crystallites have been fabricated mainly via the classical colloidal route including a tedious procedure of nanocrystal synthesis, purification, ligand or anion exchange, film casting, etc. With the usually adopted conventional LED device structure, only high turn-on voltages (> 2.7) have been achieved for CsPbBrxI3-x LEDs. Moreover, this mix-halide system may suffer from severe spectra-shift under bias. In this report, CsPbBrxI3-x thin films featuring nano-sized crystallites are prepared by incorporating multiple ammonium ligands in a one-step spin-coating route. The multiple ammonium ligands constrain the growth of CsPbBrxI3-x nanograins. Such CsPbBrxI3-x thin films benefit from quantum confinement. The corresponding CsPbBrxI3-x LEDs, adopting a conventional LED structure of indium-doped tin oxide (ITO)/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/CsPbBrxI3-x/[6, 6]-phenyl C61 butyric acid methyl ester (PCBM)/bathocuproine (BCP)/Al, emit pure-red color at Commission Internationale de l’éclairage (CIE) coordinates of (0.709, 0.290), (0.711, 0.289), etc., which represent the highest color-purity for reported pure-red perovskite LEDs and meet the Rec. 2020 requirement at CIE (0.708, 0.292) very well. The CsPbBrxI3-x LED shows a low turn-on voltage of 1.6 V, maximum external quantum efficiency of 8.94%, high luminance of 2,859 cdm−2, and good color stability under bias. | |||||
出版者 | ||||||
出版者 | Springer Nature | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1998-0124 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1998-0000 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1007/s12274-020-3065-5 | |||||
権利 | ||||||
権利情報 | This is a post-peer-review, pre-copyedit version of an article published in Nano Research. The final authenticated version is available online at: http://dx.doi.org/10.1007/s12274-020-3065-5 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://link.springer.com/article/10.1007%2Fs12274-020-3065-5 | |||||
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 |