Issue 2, 2023
From the journal:

Chemical Communications

Phosphorescence emission from spatial stacks of phenanthrene units in oligo(9,10-phenanthrene)s†

Takahiro Kawata,a   Masahiro Sonobe,a   Dai Morikawa,b   Yu Kitazawa,b   Yasushi Nomura,a   Masanobu Uchiyamabc  and  Mutsumi Kimura ORCID logo *ab  

* Corresponding authors

a Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Ueda, Nagano 386-8567, Japan
E-mail: mkimura@shinshu-u.ac.jp

b Research Initiative for Supra-Materials (RISM), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Japan

c Advanced Elements Chemistry Laboratory, Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan

Abstract

The covalent linkage of phenanthrene units at 9 and 10 positions resulted in a broadening of the absorption band and a red-shift of the fluorescence band in ethanol compared with its monomer. Spatial stacking of phenanthrene units also altered the spectral shape of phosphorescence emission, and the oligomer film emitted phosphorescence at room temperature.

Graphical abstract: Phosphorescence emission from spatial stacks of phenanthrene units in oligo(9,10-phenanthrene)s

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Article information

DOI
https://doi.org/10.1039/D2CC05414K
Article type
Communication
Submitted
04 Oct 2022
Accepted
29 Nov 2022
First published
29 Nov 2022

Chem. Commun., 2023,59, 231-234

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Phosphorescence emission from spatial stacks of phenanthrene units in oligo(9,10-phenanthrene)s

T. Kawata, M. Sonobe, D. Morikawa, Y. Kitazawa, Y. Nomura, M. Uchiyama and M. Kimura, Chem. Commun., 2023, 59, 231 DOI: 10.1039/D2CC05414K

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