Functionalisation of ligands through click chemistry: long-lived NIR emission from organic Er(III) complexes with a perfluorinated core and a hydrogen-containing shell

Y. Peng; J. X. Hu; H. Lu; R. M. Wilson; M. Motevalli; I. Hernández; W. P. Gillin; P. B. Wyatt; H. Q. Ye

doi:10.1039/C6RA25494B

Functionalisation of ligands through click chemistry: long-lived NIR emission from organic Er(iii) complexes with a perfluorinated core and a hydrogen-containing shell†

Y. Peng,^a J. X. Hu,^b H. Lu,^a R. M. Wilson,^b M. Motevalli,^b I. Hernández,*^c W. P. Gillin,*^bd P. B. Wyatt*^b and H. Q. Ye*^e

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* Corresponding authors

^a Department of Macromolecular Science, State Key Laboratory of Molecular Engineering of Polymers, State Key Laboratory of ASIC and System, SIST Fudan University, Shanghai, P. R. China

^b Materials Research Institute and School of Physics and Astronomy, Materials Research Institute and School of Biological and Chemical Sciences, Queen Mary University of London, London E1 4NS, UK
E-mail: w.gillin@qmul.ac.uk, p.b.wyatt@qmul.ac.uk

^c Departamento CITIMAC, Facultad de Ciencias, Universidad de Cantabria, Santander 39005, Spain
E-mail: ignacio.hernandez@unican.es

^d College of Physical Science and Technology, Sichuan University, Chengdu, P. R. China

^e Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
E-mail: hqye@ntu.edu.sg

Abstract

Erbium complexes with a fluorinated organic core shell linked to a hydrogen-containing shell, have been synthesized using the click reaction between erbium(III) bis(perfluoro-4-azidophenyl)phosphinate and a series of alkynes. The erbium 1.5 μm emission lifetimes in the hydrogen-containing erbium complexes exceed 140 μs, the longest ever reported in hydrogenated organic erbium systems. The visible sensitisation for erbium emission indicates a successful strategy that broadens the usage of non-fluorinated chromophores in organic erbium systems and allows more choices for ligand functionalization with exceptional efficiency for erbium emission.

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DOI: https://doi.org/10.1039/C6RA25494B
Article type: Paper
Submitted: 19 Oct 2016
Accepted: 01 Dec 2016
First published: 22 Dec 2016
This article is Open Access

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RSC Adv., 2017,7, 128-131

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Functionalisation of ligands through click chemistry: long-lived NIR emission from organic Er(III) complexes with a perfluorinated core and a hydrogen-containing shell

Y. Peng, J. X. Hu, H. Lu, R. M. Wilson, M. Motevalli, I. Hernández, W. P. Gillin, P. B. Wyatt and H. Q. Ye, RSC Adv., 2017, 7, 128 DOI: 10.1039/C6RA25494B

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Functionalisation of ligands through click chemistry: long-lived NIR emission from organic Er(iii) complexes with a perfluorinated core and a hydrogen-containing shell†

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Functionalisation of ligands through click chemistry: long-lived NIR emission from organic Er(III) complexes with a perfluorinated core and a hydrogen-containing shell

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