羧酸调控合成多功能Cd(II)- violoogen -敏化配位聚合物：光致变色和选择性光催化亚砜化

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Molecular Structure Pub Date : 2026-05-15 Epub Date: 2026-01-24 DOI:10.1016/j.molstruc.2026.145462

Baojie Liu , Jin Wang , Hongguo Hao , Yaoyao Wang , Hui Yan , Jingjing Jiang , Yunwu Li , Suna Wang

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引用次数: 0

摘要

以一种紫素羧酸配体1,1′-双（3-羧酸苄基）-4,4′-联吡啶二氯（[H2Cpzbpy]Cl2）为基础，通过引入三种高度对称的刚性羧酸配体，成功合成了三种紫素基配位聚合物。这些聚合物不仅具有明显的结构特征，而且在光致变色效率和光催化硫化物氧化成亚砜方面也表现出一定的相关性。具体来说，CdCP-1和CdCP-2在亚砜生产中达到99%的收率和选择性，展示了跨多种底物的出色可扩展性。此外，利用其突出的可逆光致变色特性，这些化合物被应用于信息加密和QR码防伪。

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Multifunctional Cd(II)-Viologen-Sensitized coordination polymers synthesized via carboxylic acid regulation: photochromism and selective photocatalytic sulfoxidation

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Multifunctional Cd(II)-Viologen-Sensitized coordination polymers synthesized via carboxylic acid regulation: photochromism and selective photocatalytic sulfoxidation

Based on one viologen carboxylate ligand 1,1’-bis(3-carboxylatobenzyl)-4,4’-bipyridinium) dichloride ([H₂Cpzbpy]Cl₂), three viologen-based coordination polymers were successfully synthesized by introducing three highly symmetric rigid carboxylate ligands. These polymers not only exhibit distinct structural characteristics but also demonstrate certain correlations in photochromic efficiency and photocatalytic oxidation of sulfides to sulfoxides. Specifically, CdCP-1 and CdCP-2 achieved 99 % yield and selectivity for sulfoxide production, demonstrating excellent scalability across multiple substrates. Furthermore, leveraging their outstanding reversible photochromic properties, these compounds were applied to information encryption and QR codes anti-counterfeiting.

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来源期刊

Journal of Molecular Structure 化学-物理化学

CiteScore

7.10

自引率

15.80%

发文量

2384

审稿时长

45 days

期刊介绍： The Journal of Molecular Structure is dedicated to the publication of full-length articles and review papers, providing important new structural information on all types of chemical species including: • Stable and unstable molecules in all types of environments (vapour, molecular beam, liquid, solution, liquid crystal, solid state, matrix-isolated, surface-absorbed etc.) • Chemical intermediates • Molecules in excited states • Biological molecules • Polymers. The methods used may include any combination of spectroscopic and non-spectroscopic techniques, for example: • Infrared spectroscopy (mid, far, near) • Raman spectroscopy and non-linear Raman methods (CARS, etc.) • Electronic absorption spectroscopy • Optical rotatory dispersion and circular dichroism • Fluorescence and phosphorescence techniques • Electron spectroscopies (PES, XPS), EXAFS, etc. • Microwave spectroscopy • Electron diffraction • NMR and ESR spectroscopies • Mössbauer spectroscopy • X-ray crystallography • Charge Density Analyses • Computational Studies (supplementing experimental methods) We encourage publications combining theoretical and experimental approaches. The structural insights gained by the studies should be correlated with the properties, activity and/ or reactivity of the molecule under investigation and the relevance of this molecule and its implications should be discussed.