Sub-microsecond TADF emission in D-D¤-A emitters

Morgan Auffray, Umamahesh Balijapalli, Jean Charles Ribierre, Youichi Tsuchiya, Chihaya Adachi

研究成果: Contribution to journalArticle査読

2 被引用数 (Scopus)

抄録

A new series of donor-donor¤-acceptor molecules (D-D¤-A design) is introduced. Due to different molecular configurations of the emitters, multiple triplet states were detected and happen to drive one thermally activated delayed fluorescence (TADF) with very short lifetime of the order of nanoseconds. A longer TADF component of microsecond order was also observed, thus showing an interesting case of dual upconversion. These results reveal how TADF becomes efficient enough to overwhelm the prompt fluorescence with the assistance of vibrational and rotational motions.

本文言語英語
ページ(範囲)932-935
ページ数4
ジャーナルChemistry Letters
49
8
DOI
出版ステータス出版済み - 8 5 2020

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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