Aggregation-induced white emission of lanthanide metallopolymer and its coating on cellulose nanopaper for white-light softening
作者： Zhao Zhang , Yanxin Chen , Hui Chang , Yaoyu Wang , Xinping Li
DOI: 10.1039/C9TC05894J
关键词: Chemical engineering 、 Lanthanide 、 Cellulose 、 Materials science 、 Substrate (chemistry) 、 Coating 、 Softening 、 Terpyridine 、 Ion 、 Polymer
摘要: A series of metallopolymers containing two lanthanides (Poly-Eu-Tb, molar ratio Eu3+/Tb3+ = 1 : 1, 1 : 2, 1 : 4 and 1 : 8) have been synthesized via the coordination Eu3+ Tb3+ ions to terpyridine-based polymers (Poly). At a high concentration (1 mg mL−1) in DMF, Poly-Eu-Tb with an optimal (1 : 8) shows strong white light emission from Poly backbone ions, but changes very weak blue mainly when diluted extremely low (0.1 mL−1). For typical aggregation-induced-emission (AIE) effects, can be recovered along addition 1,4-dioxane DMF solution. Moreover, is uniformly dispersed on surface cellulose nanopaper (CNFs) simple solution coating process, giving new flexible Poly-Eu-Tb-CNFs. The characteristic UV-excited excellent haze properties (haze value as 98%) therefore could applied substrate diffuser fabrication soft-white-light emitting diodes (SWLEDs).
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