Single-component Eu3+-Tb3+-Gd3+-grafted polymer with ultra-high color rendering index white-light emission

Lin Liu, Guorui Fu, Baoning Li, Xingqiang Lü*, Rick W K WONG, Richard A. Jones

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

21 Citations (Scopus)


Through an approach of pre-coordination and following terpolymerization from vinyl-functionalized complex monomers [Ln(TTA)3(4-VB-PBI)] (Ln = Eu, 2; Ln = Tb, 3 and Ln = Gd, 4; HTTA = 2-thenoyltrifluoroacetonate; 4-VB-PBI = 1-(4-vinylbenzyl)-2-(pyridin-2-yl)-1H-benzo[d]imidazole) with methyl methacrylate, the first example of a single-component Eu2+-Tb3+-Gd3+-grafted polymer Poly(MMA-co-2-co-3-co-4) was obtained. Moreover, control of an optimal dye content for suppressing Tb3+ to Eu3+ energy transfer and exciton formation provides new perspectives for hetero-Ln3+-grafted polymers as featured in Poly(MMA-co-2-co-3-co-4) with color-tuning to direct white-light (Commission International De L'Eclairage coordinates of x = 0.322, y = 0.331; corrected color temperature of 5979 K; and color rendering index up to 94), including a highly luminous efficiency of 17.8%.

Original languageEnglish
Pages (from-to)6762-6771
Number of pages10
JournalRSC Advances
Issue number11
Publication statusPublished - 2017

Scopus Subject Areas

  • Chemistry(all)
  • Chemical Engineering(all)


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