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Issue 35, 2017
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Efficient and high colour-purity green-light polymer light-emitting diodes (PLEDs) based on a PVK-supported Tb3+-containing metallopolymer

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Abstract

Based on the free-radical copolymerization of the green-light complex monomer [Tb(eb-PMP)3(4-VB-PBI)] (2; Heb-PMP = 4-(2-ethylbutanoyl)-1-phenyl-3-methyl-1H-pyrazol-5(4H)-one; 4-VB-PBI = 1-(4-vinylbenzyl)-(pyridin-2-yl)-1H-benzo[d]imidazole) with NVK (N-vinylcarbazole), the obtained Tb3+-containing metallopolymer poly(NVK-co-2) with an energy transfer from additional PVK to Tb3+ ion was used as the emitting material of polymer light-emitting diodes (PLEDs); it exhibited record renewed efficiencies (24.63 cd A−1, 7.81%, and 6.45 lm W−1) of Tb3+-based extreme colour-purity green-light PLEDs and superior performance of colour-stability and low efficiency roll-off to small-molecule Tb3+-complex's OLEDs.

Graphical abstract: Efficient and high colour-purity green-light polymer light-emitting diodes (PLEDs) based on a PVK-supported Tb3+-containing metallopolymer

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Publication details

The article was received on 12 May 2017, accepted on 07 Aug 2017 and first published on 08 Aug 2017


Article type: Paper
DOI: 10.1039/C7TC02092A
Citation: J. Mater. Chem. C, 2017,5, 9021-9027
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    Efficient and high colour-purity green-light polymer light-emitting diodes (PLEDs) based on a PVK-supported Tb3+-containing metallopolymer

    L. Liu, M. Pang, H. Chen, G. Fu, B. Li, X. Lü and L. Wang, J. Mater. Chem. C, 2017, 5, 9021
    DOI: 10.1039/C7TC02092A

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