Issue 40, 2019, Issue in Progress
From the journal:

RSC Advances

Vinylpyrroles: solid-state structures and aggregation-induced emission properties†

Toru Okawara, ORCID logo *a   Yurina Matsufuji,b   Kouhei Mizuno,a   Kenji Takehara,a   Toshihiko Nagamura ORCID logo ac  and  Seiji Iwasad  

* Corresponding authors

a Department of Creative Engineering, National Institute of Technology, Kitakyushu College, Shii 5-20-1, Kokuraminami-ku, Kitakyushu, Fukuoka, Japan
E-mail: okawara@kct.ac.jp

b Advanced School of Creative Engineering, National Institute of Technology, Kitakyushu College, Shii 5-20-1, Kokuraminami-ku, Kitakyushu, Fukuoka, Japan

c Advanced Manufacturing Research Institute Biochemical Process Research Group, National Institute of Advanced Industrial Science and Technology (AIST), 807-1 Shuku-machi, Tosu, Saga 841-0052, Japan

d Department of Applied Chemistry and Life Science, Toyohashi University of Technology, 1-1 Tempaku-cho, Toyohashi, Aichi 441-8580, Japan

Abstract

An aggregation-induced emission chromophore, vinylpyrrole, was prepared from a formylpyrrole derivative, Meldrum's acid, and 1,3-dimethylbarbituric acid. The optical properties of the chromophore both in the solution and solid states were investigated by UV-vis and fluorescence spectroscopy. Single crystal X-ray diffraction measurements revealed that the dimethylbarbituric acid adduct formed a J-aggregate in the solid and resulted in higher fluorescence quantum yield compared to the Meldrum's acid adduct. Emission enhancement was found to occur by the restriction of molecular rotation in the solid state.

Graphical abstract: Vinylpyrroles: solid-state structures and aggregation-induced emission properties

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Article information

DOI
https://doi.org/10.1039/C9RA04088A
Article type
Paper
Submitted
30 May 2019
Accepted
16 Jul 2019
First published
23 Jul 2019
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2019,9, 22817-22822

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Vinylpyrroles: solid-state structures and aggregation-induced emission properties

T. Okawara, Y. Matsufuji, K. Mizuno, K. Takehara, T. Nagamura and S. Iwasa, RSC Adv., 2019, 9, 22817 DOI: 10.1039/C9RA04088A

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