Synthesis, crystal structure, and sensing properties for Fe3+, Al3+, Cu2+, MnO4−, Cr2O72− and p-nitroaniline based on a 2D Cd coordination polymer

IF 4.2 3区工程技术 Q2 CHEMISTRY, APPLIED Dyes and Pigments Pub Date : 2025-03-15 DOI:10.1016/j.dyepig.2025.112764

Zan Sun , Yinong Liang , Yarong Xu , Kaixin Zhang

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Abstract

A two dimension Cd coordination polymer, namely [Cd(CPPCA) (H₂O)₂]_n (Cd-CPPCA, H₂CPPCA = 1-(4-carbxoylphenyl)piperidine-4-caboylic acid) has been synthesized under a simple one-step solvothermal process. Cd-CPPCA crystallizes in monoclinic crystal system P2₁/c space group with a = 14.1188 (6) Å, b = 7.7599 (4) Å, c = 12.7353 (6) Å and β = 93.505 (4) °. Cd-CPPCA adopts a 2-nodal 2D net with a schläfli symbol of {8⁴.12²}{8}₂. The 3D supramolecular structure of Cd-CPPCA was constructed via hydrogen bond (O–H⋯O) and π···π interaction between adjacent layers. As a promising sensing material, Cd-CPPCA exhibit excellent sensing ability for Fe³⁺, Cu²⁺, Al³⁺, MnO₄⁻, Cr₂O₇²⁻, p-nitroaniline (p-NA) with highly sensitivity, excellent recyclability and lower detection limits. The possible sensing mechanism was also discussed.

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基于2D Cd配位聚合物的Fe3+、Al3+、Cu2+、MnO4−、Cr2O72−和对硝基苯胺的合成、晶体结构和传感性能

采用简单的一步溶剂热法合成了二维Cd配位聚合物[Cd(CPPCA) (H2O)2]n （Cd-CPPCA, H2CPPCA = 1-（4-羧基苯基）哌啶-4-羧酸）。Cd-CPPCA在单斜晶系P21/c空间群中结晶，a = 14.1188 (6) Å， b = 7.7599 (4) Å， c = 12.7353 (6) Å， β = 93.505(4)°。Cd-CPPCA采用2节点二维网络，其schläfli符号为{84.122}{8}2。Cd-CPPCA的三维超分子结构是通过相邻层之间的氢键（O - h⋯O）和π···π相互作用构建的。Cd-CPPCA对Fe3+、Cu2+、Al3+、MnO4−、Cr2O72−、对硝基苯胺（p-NA）具有高灵敏度、良好的可回收性和较低的检出限，是一种很有前途的传感材料。并对可能的传感机理进行了讨论。

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来源期刊

Dyes and Pigments 工程技术-材料科学：纺织

CiteScore

8.20

自引率

13.30%

发文量

933

审稿时长

33 days

期刊介绍： Dyes and Pigments covers the scientific and technical aspects of the chemistry and physics of dyes, pigments and their intermediates. Emphasis is placed on the properties of the colouring matters themselves rather than on their applications or the system in which they may be applied. Thus the journal accepts research and review papers on the synthesis of dyes, pigments and intermediates, their physical or chemical properties, e.g. spectroscopic, surface, solution or solid state characteristics, the physical aspects of their preparation, e.g. precipitation, nucleation and growth, crystal formation, liquid crystalline characteristics, their photochemical, ecological or biological properties and the relationship between colour and chemical constitution. However, papers are considered which deal with the more fundamental aspects of colourant application and of the interactions of colourants with substrates or media. The journal will interest a wide variety of workers in a range of disciplines whose work involves dyes, pigments and their intermediates, and provides a platform for investigators with common interests but diverse fields of activity such as cosmetics, reprographics, dye and pigment synthesis, medical research, polymers, etc.