title: Photoswitching of triplet-triplet annihilation upconversion showing large emission shifts using a photochromic fluorescent dithienylethene-Bodipy triad as a triplet acceptor/emitter.
abstract: A photoswitchable fluorescent triad based on dithienylethene and Bodipy was used as a triplet acceptor/emitter for reversible photoswitching of triplet-triplet-annihilation upconversion (with Pd(II) tetraphenyltetrabenzoporphyrin as a triplet photosensitizer), which shows green/near IR emission changes with an emission energy difference of 0.79 eV (Δλ = 268 nm).
authors.affiliation: State Key Laboratory of Fine Chemicals, Dalian University of Technology Dalian, 116024, P. R. China. zhaojzh@dlut.edu.cn.
authors.forename: Kejing
authors.initials: K
authors.lastname: Xu
authors.forename: Jianzhang
authors.initials: J
authors.lastname: Zhao
authors.forename: Xiaoneng
authors.initials: X
authors.lastname: Cui
authors.forename: Jie
authors.initials: J
authors.lastname: Ma