Accessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(II) bisacetylide complex and its application for upconversion

Yifan Liu; Wanhua Wu; Jianzhang Zhao; Xin Zhang; Huimin Guo

doi:10.1039/C1DT10679A

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Accessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(ii) bisacetylide complex and its application for upconversion†

Yifan Liu,^a Wanhua Wu,^a Jianzhang Zhao,*^a Xin Zhang^a and Huimin Guo*^a

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* Corresponding authors

^a State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China
E-mail: zhaojzh@dlut.edu.cn, guohm@dlut.edu.cn
Fax: + 86 411 8498 6236
Tel: + 86 411 8498 6236

Abstract

Room temperature near-IR phosphorescence of naphthalenediimide (NDI) was observed with N⁁NPt(II) bisacetylide complex (Pt-NDI) in which the NDI was connected to Pt(II) center viaacetylide. Pt-NDI shows intense absorption of visible light and long-lived NDI-localized excited state (³IL) (τ_T = 22.3 μs). Pt-NDI was used as a triplet sensitizer for upconversion.

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Article information

DOI: https://doi.org/10.1039/C1DT10679A
Article type: Communication
Submitted: 16 Apr 2011
Accepted: 05 May 2011
First published: 19 May 2011

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Dalton Trans., 2011,40, 9085-9089

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Accessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(II) bisacetylide complex and its application for upconversion

Y. Liu, W. Wu, J. Zhao, X. Zhang and H. Guo, Dalton Trans., 2011, 40, 9085 DOI: 10.1039/C1DT10679A

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Dalton Transactions

Accessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(ii) bisacetylide complex and its application for upconversion†

Abstract

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Accessing the long-lived near-IR-emissive triplet excited state in naphthalenediimide with light-harvesting diimine platinum(II) bisacetylide complex and its application for upconversion

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