Heteroleptic [Bis(oxazoline)](dipyrrinato)zinc(II) Complexes: Bright and Circularly Polarized Luminescence from an Originally Achiral Dipyrrinato Ligand

被引：73

作者：

Koegel, Julius F. ^{[1
]}

Kusaka, Shinpei ^{[1
]}

Sakamoto, Ryota ^{[1
,2
]}

Iwashima, Toshiki ^{[1
]}

Tsuchiya, Mizuho ^{[1
]}

Toyoda, Ryojun ^{[1
]}

Matsuoka, Ryota ^{[1
]}

Tsukamoto, Takamasa ^{[1
]}

Yuasa, Junpei ^{[2
,3
]}

Kitagawa, Yasutaka ^{[4
]}

Kawai, Tsuyoshi ^{[3
]}

Nishihara, Hiroshi ^{[1
,2
]}

机构：

[1] Univ Tokyo, Dept Chem, Grad Sch Sci, Bunkyo Ku, 7-3-1 Hongo, Tokyo 1130033, Japan

[2] JST PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 3320012, Japan

[3] Nara Inst Sci & Technol NAIST, Grad Sch Mat Sci, 8916-5 Takayama, Ikoma, Nara 6300192, Japan

[4] Osaka Univ, Div Chem Engn, Dept Mat Engn Sci, Grad Sch Engn Sci, 1-3 Machikaneyama, Toyonaka, Osaka 5608531, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 04期

关键词：

absorption; chirality; fluorescence; N ligands; zinc; SELF-ASSEMBLED MONOLAYERS; BIS(OXAZOLINE) LIGANDS; IRIDIUM(III) COMPLEXES; RECENT PROGRESS; BODIPY DYES; DERIVATIVES; ABSORPTION; AMBIPOLAR; FEATURES; FACILE;

D O I：

10.1002/anie.201509411

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Heteroleptic zinc(II) complexes synthesized using achiral dipyrrinato and chiral bis(oxazoline) ligands show bright fluorescence with quantum efficiencies of up to 0.70. The fluorescence originates from the (1)pi-pi* photoexcited state localized exclusively on the dipyrrinato ligand. Furthermore, the luminescence is circularly polarized despite the achirality of the dipyrrinato ligand. Single-crystal X-ray structure analysis discloses that the chiral bis(oxazoline) ligand undergoes intramolecular pi-pi stacking with the dipyrrinato ligand, inducing axial chirality in the dipyrrinato moiety.

引用

页码：1377 / 1381

页数：5

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