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

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 additional PVK to Tb3+ ion energy transfer is used as the emitting material of polymer light-emitting diodes (PLEDs), exhibiting record-renewed efficiencies (24.63 cd/A, 7.81% and 6.45 lm/W) 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.

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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, Accepted Manuscript
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    Efficient and high colour-purity green-light polymer light-emitting diodes (PLEDs) based on PVK-supported Tb3+-containing metallopolymer

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

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