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Two-step phosphorescent mechanochromism due to intramolecular deformation

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Abstract

A triphosphine-supported Pt2Cu heterotrinuclear complex (1) constrained with 3,6-di-tert-butyl-1,8-diethynyl-9H-carbazole exhibits two-step phosphorescent mechanochromism due to intramolecular deformation. The stepwise phosphorescent mechanochromism following green → yellow → orange-red corresponds exactly to the phosphorescent emission observed in crystal morphs 1·4THF (green), 1·3acetone (yellow), and 1·4CH2Cl2 (orange-red), respectively, with different degrees of intramolecular deformation, as demonstrated by X-ray crystallography.

Graphical abstract: Two-step phosphorescent mechanochromism due to intramolecular deformation

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Publication details

The article was received on 28 Oct 2019, accepted on 23 Nov 2019 and first published on 26 Nov 2019


Article type: Paper
DOI: 10.1039/C9TC05879F
J. Mater. Chem. C, 2020, Advance Article

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    Two-step phosphorescent mechanochromism due to intramolecular deformation

    X. Zhang, L. Zhang, J. Wang, F. Dai and Z. Chen, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/C9TC05879F

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