0.6-1.6 THz band spectroscopy of organic thermally activated delayed fluorescence materials

Harunobu Takeda, Cong Chen, Takeshi Komino, Hiroaki Yoshioka, Yuji Oki, Chihaya Adachi

研究成果: Contribution to journalArticle査読

8 被引用数 (Scopus)

抄録

Newly developed thermally activated delayed fluorescence (TADF) materials are attractive for application in efficient displays. Five TADF materials, including PXZ-TRZ and four carbazolyl dicyanobenzene (CDCB) derivatives of 4CzTPN, 4CzTPN - Ph, 2CzPN, and 4CzIPN, were investigated using terahertz spectroscopy in the 0.60 - 1.60 THz range. While PXZ-TRZ was almost transparent, the carbazolyl dicyanobenzene (CDCB) derivatives, especially 4CzIPN, exhibited intrinsic absorption features. Comparing these results with density functional theorem calculations, each absorption feature was clarified to originate from the intramolecular motions of the carbazole units.

本文言語英語
ページ(範囲)3045-3052
ページ数8
ジャーナルOptical Materials Express
6
10
DOI
出版ステータス出版済み - 2016

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料

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