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Issue 3, 2018
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A circularly polarized luminescent organogel based on a Pt(ii) complex possessing phenylisoxazoles

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Abstract

A Pt(II)phenylbipyridine complex 1, possessing phenylisoxazoles, long alkyl chains, and chiral alkyl chains, was synthesized. Complex 1 formed a stacked assembly in chloroform, self-assembled in a cooperative manner in methylcyclohexane (MCH), and gelled in higher alcohols and dodecane. In the nucleation regime, 1 assembled via a Pt–Pt interaction, which was demonstrated by the metal–metal-to-ligand charge transfer (MMLCT) emission band of the assembly. In the elongation regime, 1 displayed aggregation-induced emission enhancement (AIEE) character. The assembly of 1 formed in MCH was chiroptically non-active, suggesting that the assembly was non-helical. Complex 1 also exhibited strong AIEE and circularly polarized luminescence (CPL) with an anisotropic factor (glum) of 0.011 in 1-decanol gel, indicating that a chiral assembly was formed in the gel.

Graphical abstract: A circularly polarized luminescent organogel based on a Pt(ii) complex possessing phenylisoxazoles

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Supplementary files

Article information


Submitted
07 Dec 2017
Accepted
15 Jan 2018
First published
15 Jan 2018

Mater. Chem. Front., 2018,2, 468-474
Article type
Research Article

A circularly polarized luminescent organogel based on a Pt(II) complex possessing phenylisoxazoles

T. Ikeda, K. Hirano and T. Haino, Mater. Chem. Front., 2018, 2, 468 DOI: 10.1039/C7QM00564D

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