How do donor and acceptor substituents change the photophysical and photochemical behavior of dithienylethenes? The search for a water-soluble visible-light photoswitch
Sili Qiu, Andrew T. Frawley, Kathryn G. Leslie, Harry L. Anderson
Abstract
A systematic investigation of a family of photo-switches with electron-donating and -accepting substituents reveals that the switch with two electron-accepting 4-ethynyl-pyridinium groups exhibits excellent switching behavior in aqueous solution.
Topics & Concepts
PhotoswitchPhotochemistryDiarylethenePhotostationary stateChemistryPhotochromismAcceptorVisible spectrumRing (chemistry)Aqueous solutionMaterials sciencePhotoisomerizationOptoelectronicsPhysical chemistryOrganic chemistryCondensed matter physicsIsomerizationPhysicsCatalysisPhotochromic and Fluorescence ChemistryPhotoreceptor and optogenetics researchPorphyrin and Phthalocyanine Chemistry