Issue 10, 2015
From the journal:

Chemical Communications

Photoswitching of triplet–triplet annihilation upconversion showing large emission shifts using a photochromic fluorescent dithienylethene-Bodipy triad as a triplet acceptor/emitter†

Kejing Xu,a   Jianzhang Zhao,*a   Xiaoneng Cuia  and  Jie Maa  

* Corresponding authors

a State Key Laboratory of Fine Chemicals, Dalian University of Technology Dalian, P. R. China
E-mail: zhaojzh@dlut.edu.cn
Web: http://finechem2.dlut.edu.cn/photochem

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).

Graphical abstract: Photoswitching of triplet–triplet annihilation upconversion showing large emission shifts using a photochromic fluorescent dithienylethene-Bodipy triad as a triplet acceptor/emitter

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Article information

DOI
https://doi.org/10.1039/C4CC09202C
Article type
Communication
Submitted
18 Nov 2014
Accepted
05 Dec 2014
First published
05 Dec 2014

Chem. Commun., 2015,51, 1803-1806

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Photoswitching of triplet–triplet annihilation upconversion showing large emission shifts using a photochromic fluorescent dithienylethene-Bodipy triad as a triplet acceptor/emitter

K. Xu, J. Zhao, X. Cui and J. Ma, Chem. Commun., 2015, 51, 1803 DOI: 10.1039/C4CC09202C

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