General strategy for tuning the Stokes shifts of near infrared cyanine dyes
Jun Zhang, Mehdi Moemeni, Chenchen Yang, Fangchun Liang, Wei-Tao Peng, Benjamin G. Levine, Richard R. Lunt, Babak Borhan
Abstract
A series of amine substituted cyanines show spectral characteristics that are dependent on the structure of the substituted amine, with Stokes shifts that range from 24–180 nm. Computational analysis informs on the ground and excited state structures.
Topics & Concepts
CyanineStokes shiftAmine gas treatingMaterials scienceExcited stateGround stateInfraredPhotochemistryRange (aeronautics)Chemical physicsOptoelectronicsOpticsFluorescenceChemistryAtomic physicsOrganic chemistryPhysicsLuminescenceComposite materialPhotochemistry and Electron Transfer StudiesPorphyrin and Phthalocyanine ChemistrySpectroscopy and Quantum Chemical Studies