Red-light-absorbing diimine Pt(II) bisacetylide complexes showing near-IR phosphorescence and long-lived 3IL excited state of Bodipy for application in triplet–triplet annihilation upconversion

Wanhua Wu; Lianlian Liu; Xiaoneng Cui; Caishun Zhang; Jianzhang Zhao

doi:10.1039/C3DT51927A

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Red-light-absorbing diimine Pt(ii) bisacetylide complexes showing near-IR phosphorescence and long-lived ³IL excited state of Bodipy for application in triplet–triplet annihilation upconversion†

Wanhua Wu,^ab Lianlian Liu,^a Xiaoneng Cui,^a Caishun Zhang^a and Jianzhang Zhao*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, P. R. China
E-mail: zhaojzh@dlut.edu.cn
Web: http://finechem.dlut.edu.cn/photochem

^b College of Chemistry, Sichuan University, Chengdu, P. R. China

Abstract

Bodipy is used for the preparation of Pt(II) bisacetylide complexes which show strong absorption of visible light and long-lived triplet state. Room temperature (RT) near-IR phosphorescence of Bodipy was observed. The π-conjugation framework of visible light-harvesting Bodipy ligand was connected to the Pt(II) center by the C [triple bond, length as m-dash] C bond. The complexes were used as triplet photosensitizers for triplet–triplet annihilation (TTA) upconversion.

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Article information

DOI: https://doi.org/10.1039/C3DT51927A
Article type: Communication
Submitted: 16 Jul 2013
Accepted: 20 Aug 2013
First published: 20 Aug 2013

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Dalton Trans., 2013,42, 14374-14379

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Red-light-absorbing diimine Pt(II) bisacetylide complexes showing near-IR phosphorescence and long-lived ³IL excited state of Bodipy for application in triplet–triplet annihilation upconversion

W. Wu, L. Liu, X. Cui, C. Zhang and J. Zhao, Dalton Trans., 2013, 42, 14374 DOI: 10.1039/C3DT51927A

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Dalton Transactions