Synthesis, structure and luminescent sensing behaviour of a thieno[3,4-b]thiophene-based coordination polymer

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Inorganica Chimica Acta Pub Date : 2025-04-26 DOI:10.1016/j.ica.2025.122733

Ye-Feng Wu, Yu-Chen Ma, Quan Yuan, Ze-Xu An, Yong-Jun Liu, Jun Yi, Xiao-Yan Tang, Yun-Sheng Ma, Wen-Yu Yin, Hong-Jian Cheng

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引用次数: 0

Abstract

Thiophene-based functional materials have always been a research hotspot due to their broad application prospects in fields such as optoelectronics, sensing, biomedical science, etc. Solvothermal reaction of 3,6-di(pyridin-3-yl)-2,4-di(3-pyridylcarbonyl)thieno[3,4-b]thiophene (tptbt) with Cd(OAc)₂·2H₂O and 1,4-benzenedicarboxylic acid (1,4-H₂bdc) at 100 °C gave rise to one coordination polymer {[Cd(1,4-bdc)(tptbt]·0.75H₂O}_n (1). Complex 1 exhibits a 3D binodal (3,5)-connected network with the (4²·6)(4²·6⁵·8³) topology, which is formed by linking 1D [Cd(tptbt)]_n ribbon-like units with 1,4-bdc ligands. The solid state luminescences of tptbt and 1 were investigated. Complex 1 showed outstanding luminescent sensing performances for water, cations Fe³⁺ and anions Cr₂O₇²⁻ owing to the quenching effect. Moreover, the mechanochromic luminescences of tptbt and 1 were also tested.

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噻吩基[3,4-b]配位聚合物的合成、结构和发光传感行为

噻吩基功能材料因其在光电、传感、生物医学等领域具有广阔的应用前景，一直是研究热点。3,6-二（吡啶-3-酰基）-2,4-二（3-吡啶羰基）噻吩[3,4-b]噻吩（tptbt）与Cd(OAc)2·2H2O和1,4-苯二甲酸（1,4- h2bdc）在100℃下溶剂热反应生成一个配位聚合物{[Cd(1,4-bdc)(tptbt]·0.75H2O}n(1)]。配合物1通过将1D [Cd(tptbt)]n带状单元与1,4-bdc配体连接形成具有（42·6）（42·65·83）拓扑结构的三维双节点（3,5）连接网络。研究了tptbt和1的固态发光特性。配合物1由于猝灭效应对水、阳离子Fe3+和阴离子Cr2O72−表现出优异的发光传感性能。此外，还对tptbt和1的机械致色发光进行了测试。

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来源期刊

Inorganica Chimica Acta 化学-无机化学与核化学

CiteScore

6.00

自引率

3.60%

发文量

440

审稿时长

35 days

期刊介绍： Inorganica Chimica Acta is an established international forum for all aspects of advanced Inorganic Chemistry. Original papers of high scientific level and interest are published in the form of Articles and Reviews. Topics covered include: • chemistry of the main group elements and the d- and f-block metals, including the synthesis, characterization and reactivity of coordination, organometallic, biomimetic, supramolecular coordination compounds, including associated computational studies; • synthesis, physico-chemical properties, applications of molecule-based nano-scaled clusters and nanomaterials designed using the principles of coordination chemistry, as well as coordination polymers (CPs), metal-organic frameworks (MOFs), metal-organic polyhedra (MPOs); • reaction mechanisms and physico-chemical investigations computational studies of metalloenzymes and their models; • applications of inorganic compounds, metallodrugs and molecule-based materials. Papers composed primarily of structural reports will typically not be considered for publication.