Cover Picture: Leveraging Crystalline and Amorphous States of a Metal‐Organic Complex for Transformation of the Photosalient Effect and Positive‐Negative Photochromism (Angew. Chem. Int. Ed. 11/2023). Issue 11 (28th February 2023)

• Record Type: Journal Article
• Authors: Ma, Yu‐Juan; Xiao, Guowei; Fang, Xiaoyu; Chen, Tianhong; Yan, Dongpeng
• Is Part Of: Angewandte Chemie international edition. Volume 62:Issue 11(2023)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2023-02-28
• Subjects: Luminescence -- Photochromism -- Photosalient Effect -- Polymorphs -- Stimuli-Responsive Materials; Chemistry -- Periodicals; 540
• DOI: 10.1002/anie.202300788
• Languages: English
• ISSNs: 1433-7851

Abstract

Abstract : Alternations of crystalline and amorphous states largely influence the solid‐state properties of molecular materials. In their Research Article (e202217054 ), Dongpeng Yan and co‐workers show that the transformation between two states of an anthracene‐based metal‐organic complex can tune the photosalient effect, mechanical luminescence, and photochromism behavior. The effect was assigned to competitive chemical routes between a photocycloaddition reaction in the crystalline state and photogenerated radicals in the amorphous state.