Co-assembling system that exhibits bright circularly polarized luminescence

Naoya Ryu; Tomoyuki Harada; Yutaka Okazaki; Kyohei Yoshida; Tomohiro Shirosaki; Reiko Oda; Yutaka Kuwahara; Makoto Takafuji; Hirotaka Ihara; Shoji Nagaoka

doi:10.1039/D2MA00002D

Co-assembling system that exhibits bright circularly polarized luminescence†

Naoya Ryu,

*^a Tomoyuki Harada,^b Yutaka Okazaki,

^c Kyohei Yoshida,

^a Tomohiro Shirosaki,

^a Reiko Oda,

^d Yutaka Kuwahara,

^b Makoto Takafuji,

^b Hirotaka Ihara

^be and Shoji Nagaoka

*^ab

Author affiliations

* Corresponding authors

^a Materials Development Department, Kumamoto Industrial Research Institute, 3-11-38 Higashimachi, Higashi-ku, Kumamoto 862-0901, Japan
E-mail: n-ryu@kumamoto-iri.jp, nagaoka@kumamoto-iri.jp

^b Department of Applied Chemistry and Biochemistry, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan

^c Graduate School of Energy Science, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8501, Japan

^d Institut de Chimie & Biologie des Membranes & des Nano-objets (UMR5248 CBMN), Centre National de la Recherche Scientifique (CNRS), Université de Bordeaux, Institut Polytechnique Bordeaux, 2 Rue Robert Escarpit, 33607 Pessac, France

^e National Institute of Technology, Okinawa College, 905 Henoko, Nago, Okinawa 905-2192, Japan

Abstract

We demonstrate that a co-assembling system comprising a nonchiral cyanine dye and an enantiomeric lysine-derived amphiphile assembly show circularly polarized luminescence with a high dissymmetry factor (|g_lum| = 0.14) in combination with strong emission (quantum yield ϕ = 0.70, absorption coefficient ε = 3.7 × 10⁵ M⁻¹ cm⁻¹). The circular polarization luminosity of the main transition band was calculated as 4.9 × 10⁻².

This article is part of the themed collection: Celebrating materials science in Japan and South Korea

Materials Advances

Co-assembling system that exhibits bright circularly polarized luminescence†

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Co-assembling system that exhibits bright circularly polarized luminescence

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