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

被引：70

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

共 31 条

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[2] Heteroleptic bis(dipyrrinato)copper(II) and nickel(II) complexes
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[3] Bis(dipyrrinato)zinc(II) Complex Chiroptical Wires: Exfoliation into Single Strands and Intensification of Circularly Polarized Luminescence
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Sakamoto, Ryota
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[4] Bis(dipyrrinato)zinc(II) Complexes: Emission in the Solid State
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[5] Bis(dipyrrinato)zinc(II) Complexes: Synthesis and catalytic activity towards alcohol oxidation
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INORGANIC CHEMISTRY COMMUNICATIONS, 2023, 150
[6] Dissymmetric Bis(dipyrrinato)zinc(II) Complexes: Rich Variety and Bright Red to Near-Infrared Luminescence with a Large Pseudo-Stokes Shift
Sakamoto, Ryota
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[7] New aspects in bis and tris(dipyrrinato) metal complexes: bright luminescence, self-assembled nanoarchitectures, and materials applications
Sakamoto, Ryota
Iwashima, Toshiki
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Toyoda, Ryojun
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Koegel, Julius F.
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JOURNAL OF MATERIALS CHEMISTRY A, 2015, 3 (30) : 15357 - 15371
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Do, L
Halper, SR
Cohen, SM
CHEMICAL COMMUNICATIONS, 2004, (23) : 2662 - 2663
[10] Polymeric Encapsulation of Novel Homoleptic Bis(dipyrrinato) Zinc(II) Complexes with Long Lifetimes for Applications as Photodynamic Therapy Photosensitisers
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