Emergence of practical fluorescence in a confined space of nanoporous silica: significantly enhanced quantum yields of a conjugated molecule. Issue 97 (23rd November 2021)

• Record Type: Journal Article
• Authors: Hayashi, Kosei; Fujimaki, Yasuto; Mishiba, Kentaro; Watanabe, Hiroto; Imai, Hiroaki
• Is Part Of: Chemical communications. Volume 57:Issue 97(2021)
• Page Start: 13150
• Page End: 13153
• Publication Date: 2021-11-23
• Subjects: Chemistry -- Periodicals; 540
• DOI: 10.1039/d1cc05935a
• Languages: English
• ISSNs: 1359-7345

Abstract

Abstract : The fluorescence of benzanthrone, which is a conjugated molecule bearing a carbonyl group, is activated by confinement in a pore with a diameter close to the molecular size. Abstract : The fluorescence of benzanthrone, which is a conjugated molecule bearing a carbonyl group, is activated by confinement in a pore with a diameter close to the molecular size. An intense emission originating from the aromatic character π–π* transition is achieved through suppression of the nonradiative n–π* transition by strong hydrogen bonding between carbonyl groups and silanol groups with a micropore-filling effect in the nanospace.