Alternately π-Stacked Systems Assisted by o-Carborane: Dual Excimer Emission and Color Modulation by Bcage-Methylation,Angewandte Chemie International Edition

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Alternately π-Stacked Systems Assisted by o-Carborane: Dual Excimer Emission and Color Modulation by Bcage-Methylation
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-11-03 , DOI: 10.1002/anie.202214397
Junki Ochi ₁ , Kazuo Tanaka ₁ , Yoshiki Chujo ₁

Affiliation

Precisely designed dual-excimer emissive crystals have been synthesized in which two types of π-stacking patterns coexist alternately in the crystalline state. Consequently, two kinds of excimer emission are observed in the different wavelength regions. Moreover, the steric hindrance of the methyl substituent perturbs the intensity ratio of the two excimer emissions and the fluorescence color can be tuned.

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