Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 8, Issue 2, Pages 715-720Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9tc05879f
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Funding
- NSF of China [21701171, 21531008, 21601184]
- Natural Science Foundation of Fujian Province [2017J06008]
- CAS/SAFEA International Partnership Program for Creative Research Teams
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
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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 center dot 4THF (green), 1 center dot 3acetone (yellow), and 1 center dot 4CH(2)Cl(2) (orange-red), respectively, with different degrees of intramolecular deformation, as demonstrated by X-ray crystallography.
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