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Bipyridyl-substituted benzo[1,2,3]triazoles as a thermally stable electron transporting material for organic light-emitting devices
http://hdl.handle.net/10091/16166
http://hdl.handle.net/10091/1616691fc4483-7932-4107-a591-f822c8545397
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-01-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Bipyridyl-substituted benzo[1,2,3]triazoles as a thermally stable electron transporting material for organic light-emitting devices | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Ichikawa, Musubu
× Ichikawa, Musubu× Mochizuki, Shunji× Jeon, Hyeon-Gu× Hayashi, Shuichi× Yokoyama, Norimasa× Taniguchi, Yoshio |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Ichikawa, Musubu | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.WenUjFkV.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Taniguchi, Yoshio | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.HCfpjekV.html | |||||
出版者 | ||||||
出版者 | ROYAL SOC CHEMISTRY | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | JOURNAL OF MATERIALS CHEMISTRY. 21(32):11791-11799 (2011) | |||||
書誌情報 |
JOURNAL OF MATERIALS CHEMISTRY 巻 21, 号 32, p. 11791-11799, 発行日 2011 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We developed new electron-transporting materials (ETMs) for organic light-emitting devices (OLEDs) based on benzo[1,2,3] triazole and two bipyridines. Four derivatives based on the same skeleton were synthesized with four different substituents: phenyl (BpyBTAZ-Ph), biphenyl (-BP), m-terphenyl (-mTP), and o-terphenyl (-oTP). These BpyBTAZ compounds have good thermal stabilities, and their decomposition temperatures were greater than 410 degrees C, which is significantly higher than that of tris(8-quinolinolato) aluminium (Alq), the conventional OLED material. BpyBTAZ compounds show preferable amorphous nature, and moreover, the glass transition temperatures (T(g)s) of both BpyBTAZ-TP compounds exceed 100 degrees C. Furthermore, BpyBTAZ-BP exhibits no melting point and is fully amorphous. The electron affinities of the materials are as large as 3.3 eV and their electron mobility is sufficiently high. These characteristics accounted for a reduction in the operational voltage of OLEDs with BpyBTAZ compounds compared with the reference device with Alq as an ETM. Specifically, the electron mobility of all the BpyBTAZ compounds exceeds 1 x 10(-4) cm(2) V(-1) s(-1) at an electric field of 1 MV cm(-1). In addition, it was revealed that both BpyBTAZ-TP-based devices showed longer luminous lifetimes and smaller voltage increases during continuous operation at 50 mA cm(-2), compared with the Alq reference device. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0959-9428 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10822442 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1039/c1jm10901d | |||||
関連名称 | 10.1039/c1jm10901d | |||||
権利 | ||||||
権利情報 | J. Mater. Chem., 2011,21, 11791-11799 - Reproduced by permission of The Royal Society of Chemistry | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000293504500017 |