Aggregation-induced circularly polarized phosphorescence of Pt(II) complexes with an axially chiral BINOL ligand

Daiki Tauchi; Taiki Koida; Yuki Nojima; Masahi Hasegawa; Yasuhiro Mazaki; Akiko Inagaki; Ken-ichi Sugiura; Yuki Nagaya; Kazunori Tsubaki; Takuya Shiga; Yuuya Nagata; Hiroyuki Nishikawa

doi:10.1039/D2CC06198H

Aggregation-induced circularly polarized phosphorescence of Pt(ii) complexes with an axially chiral BINOL ligand†

Daiki Tauchi,^a Taiki Koida,^a Yuki Nojima,^b Masahi Hasegawa,

^b Yasuhiro Mazaki,^b Akiko Inagaki,

^c Ken-ichi Sugiura,

^d Yuki Nagaya,^e Kazunori Tsubaki,

^e Takuya Shiga,

^f Yuuya Nagata

^g and Hiroyuki Nishikawa

*^a

Author affiliations

* Corresponding authors

^a Graduate School of Science and Engineering, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
E-mail: hiroyuki.nishikawa.sci@vc.ibaraki.ac.jp

^b Graduate School of Science, Kitasato University, Kanagawa 252-0373, Japan

^c Faculty of Science and Technology, Seikei University, Tokyo, Japan

^d Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan

^e Graduate School of Life and Environmental Science, Kyoto Prefectural University, Kyoto 606-8522, Japan

^f Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba 305-8577, Japan

^g Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido 001-0021, Japan

Abstract

A pair of chiral Pt(II) complexes coordinated by simple BINOL and bipyridine ligands displaying aggregation-induced phosphorescence and circularly polarized luminescence were characterized by X-ray crystallography and absorption and emission spectroscopies. The emission of the powder sample was reddish whereas the thin film dispersed in PMMA (f_Pf = 1 wt%) exhibited a white emission.

Chemical Communications

Aggregation-induced circularly polarized phosphorescence of Pt(ii) complexes with an axially chiral BINOL ligand†

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Aggregation-induced circularly polarized phosphorescence of Pt(II) complexes with an axially chiral BINOL ligand

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