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Abstract— <p>A novel chromic Cd(II) host-guest coordination polymer [Cd(PTA)<sub>0.5</sub>Cl](Bcbpy)<sub>0.5</sub> (<b>1</b>) has been synthesized through the self-assembly of CdCl<sub>2</sub>·2.5H<sub>2</sub>O, H<sub>4</sub>PTA (pyromelliticacid), and Bcbpy·2Cl (1,1'- bis(3-cyanobenzyl)-[4,4'-bipyridine]-1,1'-diium). Complex <b>1</b> exhibits rarely properties of photochromism and thermochromism, which arise from electron transfer progress and form the viologen radicals. Meanwhile, photo- and thermoluminescence properties of complex <b>1</b> was studied.</p>

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Novel Chromic Cadmium(II) Host-Guest Coordination Polymer Based on a Viologen Ligand Exhibiting Photochromism, Thermochromism, and Luminescent Properties

  • 期刊论文

  • 发表日期：

    2025年7月9日

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  • Jiayun Zou,
  • Xiangju Meng,
  • Runwei Wang

摘要

Abstract—

A novel chromic Cd(II) host-guest coordination polymer [Cd(PTA)0.5Cl](Bcbpy)0.5 (1) has been synthesized through the self-assembly of CdCl2·2.5H2O, H4PTA (pyromelliticacid), and Bcbpy·2Cl (1,1'- bis(3-cyanobenzyl)-[4,4'-bipyridine]-1,1'-diium). Complex 1 exhibits rarely properties of photochromism and thermochromism, which arise from electron transfer progress and form the viologen radicals. Meanwhile, photo- and thermoluminescence properties of complex 1 was studied.