Ran Tao, Xiuyan Wang, Xin Wang, Zirui Huang, Shanshan Jin, Hongqiang Wang
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引用次数: 0
摘要
摘要 作为精确制备具有独特光电特性的多功能材料的有力策略,供体-受体(D-A)配位将 D-A 对整合到模块化的多功能结晶阳离子金属有机框架(CMOFs)和阳离子配位聚合物(CCPs)的分子水平上。在本文中,氯化镉和对苯二甲酸(PTA)通过光热活性 1,1'-双((3-羧基阿托苄基)-4,4'-联吡啶鎓)-二溴配体(H2bcbpy-2Br)的自组装,成功制备了一种光热变色 CCP,命名为[Cd (PTA)0.5(bcbpy)0.5Br](1)。该复合物通过单晶 X 射线衍射和粉末 X 射线衍射进行表征,对热和不同光源均表现出高度敏感性。1 中电子转移(ET)热致变色和光致变色的特殊双功能特性主要受到 H2bcbpy-2Br 的光敏性和热敏性的影响。否则,在着色-脱色阶段,光致发光的 "开关 "将引导新晶体的合成。
A Novel Multichromic Cd(II) Coordination Polymer Based on a Viologen Ligand Exhibiting Multichroism, Aniline Detection and Luminescence Properties
Abstract
As a powerful strategy to precisely fabricate multifunctional materials with unique optoelectronic properties, donor-acceptor (D–A) alignment, which integrates D–A pairs into the modular and versatile crystalline cation metal–organic frameworks (CMOFs) and cation coordination polymers (CCPs) is applied at the molecular level. In this paper, a photo- and thermochromic CCP, named [Cd (PTA)0.5(bcbpy)0.5Br] (1), was successfully produced by the self-assembly of a photo- and thermoactive 1,1'-bis((3-carboxylatobenzyl)-4,4'-bipyridinium)-dibromo ligand (H2bcbpy·2Br) with cadmium chloride and terephthalic acid (PTA). This complex is characterized by single-crystal X-ray diffraction, powder X-ray diffraction and it exhibits high sensitivity to both heat and different illuminant. The exceptional difunctional characteristics of electron-transfer (ET) thermochromism and photochromism in 1 are mostly influenced by the photosensitivity and thermal sensitivity of H2bcbpy·2Br. Otherwise, during the coloration-decoloration phase, there is a photoluminescence “on/off switch” which would direct the synthesis of new crystals.
期刊介绍:
Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.