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Reversible pH-responsive switching of strong circularly polarized luminescence in polysaccharide-templated
Zhengyang Shi1, Xueliang Ji1, Yu An1
1College of Materials Science and Engineering, Key Laboratory of Marine Bio-based Fibers of Shandong Province, Key Laboratory of Shandong Provincial Universities for Advanced Fibers and Composites, Qingdao Application Technology Innovation Center of Advanced Fibers and Composites, Qingdao University, Qingdao, 266071, P. R. China. sky@qdu.edu.cn.
Abstract:
Carboxymethyl chitosan functions as a chiral template to induce the helical packing of achiral dyes via electrostatic interaction, enabling efficient chirality transfer and strong circularly polarized luminescence (CPL) with a relatively high glum. The chiral co-assemblies exhibit reversible pH-responsive CPL switching.
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