A fluorescent acrylamide-type monomer bearing an environment-sensitive methoxybenzocoumarin structure for the development of functional polymeric sensors. Issue 10 (31st August 2016)

• Record Type: Journal Article
• Authors: Uchiyama, Seiichi; Remón, Patricia; Pischel, Uwe; Kawamoto, Kyoko; Gota, Chie
• Is Part Of: Photochemical & photobiological sciences. Volume 15:Issue 10(2016:Oct.)
• Page Start: 1239
• Page End: 1246
• Publication Date: 2016-08-31
• Subjects: Photochemistry -- Periodicals; Photobiology -- Periodicals; 541.35
• DOI: 10.1039/c6pp00150e
• Languages: English
• ISSNs: 1474-905X

Abstract

Abstract : A new fluorescent acrylamide-type monomer bearing a hydrogen bonding- and polarity-sensitive benzocoumarin fluorophore was synthesized and applied for developing a fluorescent polymeric thermometer. Abstract : A new fluorescent acrylamide-type monomer bearing a hydrogen bonding- and polarity-sensitive benzocoumarin fluorophore was synthesized. The absorption spectra, fluorescence spectra, and fluorescence lifetime of a model compound were measured in ten solvents with different hydrogen-bonding abilities and polarities to investigate the sensitivity of the fluorophore to the surrounding environment. These spectroscopic studies demonstrated that the fluorophore emits stronger fluorescence in more protic, polar environments. A fluorescent polymeric thermometer was prepared from N -isopropylacrylamide and the new fluorescent monomer, and it showed good functionality in aqueous solution ( e.g., high sensitivity to temperature changes and high chemical stability), indicating the applicability of the herein developed fluorescent monomer for use in functional sensors.