Zn(II)-based mechanically flexible metallosupramolecular network: Investigating rheology, morphology, anti-bacterial effect and semiconducting device performances

IF 2.7 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR Inorganica Chimica Acta Pub Date : 2024-10-21 DOI:10.1016/j.ica.2024.122413

Indrajit Pal , Supravat Ghosh , Subhajoy Sadhu , Anupam Kundu , Santanu Majumdar , Suresh Kumar Yatirajula , Jnanendra Rath , Partha Pratim Ray , Biswajit Dey

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Abstract

Synthesis of supramolecular Zn(II)-metallogel of succinic acid with N,N′-dimethyl formamide (DMF) solvent has been explored in this present study. Succinic acid is used as a low molecular weight gelator (LMWG) and DMF acts as a metallogel-immobilized solvent-media. Mechanical flexibility, viscous, and elastic behaviours of the metallogel are characterized by exhaustive rheological experiments. Different rheological parameters like storage modulus (G′) and loss modulus (G″) are evaluated for certain regions of shear strain and angular frequency. The morphological decoration of xerogel material obtained from Zn(II)-based metallosupramolecular gel (i.e., Zn-Succinic) has been visualized through field emission scanning electron microscope (FESEM). Energy dispersive X-ray analysis (EDX) verifies the active involvement of metallogel-forming chemical constituents. The flexible metallosupramolecular scaffold-construction strategy has been unveiled through infrared spectroscopic data and ESI-Mass investigations. The antibacterial potency of Zn(II)-directed metallogel has also been verified against several Gram-positive bacteria (i.e., Bacillus cereus (ATCC 13061), Bacillus subtilis (MTCC 121), Listeria monocytogenes (MTCC 657), Staphylococcus aureus (MTCC 96)), and two Gram-negative bacterial strains (i.e., Salmonella typhimurium (MTCC 98) and Escherichia coli (MTCC 1667)). Even, Zn-Succinic metallogel exhibits Schottky diode behaviour with a significant non-linear rectifying nature in I-V curve, proving the semiconducting diode features with electrical parameters.

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基于锌（II）的机械柔性金属超分子网络：流变学、形态学、抗菌效果和半导体器件性能研究

本研究探讨了用 N,N′-二甲基甲酰胺（DMF）溶剂合成琥珀酸超分子锌（II）金属凝胶。琥珀酸被用作低分子量凝胶剂（LMWG），而 DMF 则充当金属凝胶的固定溶剂介质。通过详尽的流变学实验对金属凝胶的机械柔韧性、粘性和弹性行为进行了表征。针对剪切应变和角频率的特定区域评估了不同的流变参数，如存储模量（G′）和损耗模量（G″）。通过场发射扫描电子显微镜（FESEM）观察了从锌（II）基金属超分子凝胶（即锌-琥珀酸）中获得的异凝胶材料的形态装饰。能量色散 X 射线分析（EDX）证实了金属凝胶形成化学成分的积极参与。通过红外光谱数据和 ESI-Mass 研究，揭示了灵活的金属超分子支架构建策略。Zn(II)-directed 金属凝胶对几种革兰氏阳性细菌（即：蜡样芽孢杆菌（ATCC）、痢疾杆菌（ATCC）、嗜酸杆菌（ATCC））的抗菌效力也得到了验证、蜡样芽孢杆菌（ATCC 13061）、枯草芽孢杆菌（MTCC 121）、李斯特菌（MTCC 657）、金黄色葡萄球菌（MTCC 96））和两种革兰氏阴性细菌（鼠伤寒沙门氏菌（MTCC 98）和大肠杆菌（MTCC 1667））。此外，锌-琥珀酰金属凝胶还表现出肖特基二极管行为，其 I-V 曲线具有明显的非线性整流特性，证明了半导体二极管的电气参数特征。

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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.