PNBE-supported metallopolymer-type hybrid materials through grafting of Ln3-benzimidazole-arrayed (Ln = Nd, Yb or Er) complex monomers with efficient NIR luminescence
作者： Guorui Fu , Heini Feng , Weixu Feng , Xingqiang Lü , Wai-Kwok Wong
DOI: 10.1016/J.INOCHE.2016.11.018
关键词:
摘要: Abstract Through the ring-opening metathesis polymerization (ROMP) of norbornene (NBE) with each obtained allyl-containing complex monomers {[Ln3(L)4Cl4(MeOH)2]·Cl} (Ln = La, 1; Nd, 2; Yb, 3; Er, 4 or Gd, 5; HL = 4-allyl-2-(1H-benzo[d]imidazol-2-yl)-6-methoxyphenol), a series metallopolymers Poly({[Ln3(L)4Cl4(MeOH)2]·Cl}-co-NBE) were obtained, respectively. Especially for Poly(NBE-co-2) and Poly(NBE-co-3), covalently-bonded grafting endows significantly improved physical properties including efficient NIR luminescence (ΦNdL = 0.58% ΦYbL = 0.88%) in solid state.
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