文献类型：期刊文献

英文题名：Processable and Luminescent Supramolecular Hydrogels from Complex Coacervation of Polycations with Lanthanide Coordination Polyanions

作者：Wang, Jiahua[1,2];Sun, Shengtong[3];Wu, Bohang[1,2];Hou, Lei[3];Ding, Peng[1,2];Guo, Xuhong[1,2];Stuart, Martien A. Cohen[1,2];Wang, Junyou[1,2]

机构：[1]East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Shanghai Key Lab Multiphase Mat Chem Engn, Shanghai 200237, Peoples R China;[3]Donghua Univ, Coll Chem Chem Engn & Biotechnol, Natl Engn Res Ctr Dyeing & Finishing Text, Ctr Adv Low Dimens Mat, Shanghai 201620, Peoples R China

年份：2019

卷号：52

期号：22

起止页码：8643

外文期刊名：MACROMOLECULES

收录：;EI(收录号：20194607672619);WOS:【SCI-EXPANDED(收录号:WOS:000500039300013)】；

基金：This work was financially supported by the National Science Foundation of China (nos. 51873035 and 21604024), the Shanghai Municipal Natural Science Foundation (17ZR1440500, 17PJ1401800, and 17ZR1440400), "Oimingxing Plan" (19QA1400200), "Chenguang Program" supported by the Shanghai Education Development Foundation and the Shanghai Municipal Education Commission (16CG32), and the Fundamental Research Funds for the Central Universities (222201714003, 2232019G-03).

语种：英文

外文关键词：Polyelectrolytes - Rare earth elements - Coordination reactions - Hydrogels - Luminescence - Dynamics - Gels

摘要：Luminescent supramolecular gels based on dynamic lanthanide coordination can be of profound interest in optical and sensing applications. However, most of the current lanthanide-based gels suffer from their poor mechanical strength and processability for practical uses. Here, we develop an effective strategy to fabricate a multifunctional robust luminescent hydrogel via the ionic coacervation of an anionic lanthanide coordination polymer with a cationic polyelectrolyte. The resultant hydrogels turn out to be moldable, self-healable, recyclable, and may be regarded as a new kind of "luminescent plastic". Owing to the unique force-induced plastic deformation, long fibers can be directly drawn from the hydrogel reservoir at room temperature. Moreover, the dynamic nature of such a physical polymer network leads to multiple responses to various stimuli, such as temperature, salt, and sonication. The studies described herein not only enable the easy processability of luminescent hydrogels, but also provide a new strategy to prepare stimuli-responsive and self-healing lanthanide-based hydrogels as sustainable and smart materials.