Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(II) complex

Masahiro Ikeshita; Shinya Watanabe; Seika Suzuki; Shota Tanaka; Shingo Hattori; Kazuteru Shinozaki; Yoshitane Imai; Takashi Tsuno

doi:10.1039/D3CC06293G

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Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(ii) complex†

Masahiro Ikeshita,

‡*^a Shinya Watanabe,‡^a Seika Suzuki,^b Shota Tanaka,^c Shingo Hattori,

^c Kazuteru Shinozaki,

^c Yoshitane Imai

*^b and Takashi Tsuno

*^a

Author affiliations

* Corresponding authors

^a Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan
E-mail: ikeshita.masahiro@nihon-u.ac.jp, tsuno.takashi@nihon-u.ac.jp

^b Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
E-mail: y-imai@apch.kindai.ac.jp

^c Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-ku, Yokohama 236-0027, Japan

Abstract

A chiral platinum(II) complex with a helical Schiff-base [4]helicene ligand exhibits intense red circularly polarized phosphorescence (CPP) with a g_lum of 0.010 in the dilute solution state. The intense CPP was caused by a change in the electronic transition character based on the induction of the helical structure.

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Article information

DOI: https://doi.org/10.1039/D3CC06293G
Article type: Communication
Submitted: 27 Dec 2023
Accepted: 27 Jan 2024
First published: 30 Jan 2024

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Chem. Commun., 2024,60, 2413-2416

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Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(II) complex

M. Ikeshita, S. Watanabe, S. Suzuki, S. Tanaka, S. Hattori, K. Shinozaki, Y. Imai and T. Tsuno, Chem. Commun., 2024, 60, 2413 DOI: 10.1039/D3CC06293G

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Chemical Communications

Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(ii) complex†

Abstract

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Circularly polarized phosphorescence with a large dissymmetry factor from a helical platinum(II) complex

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