Gelling performance of phenyl/biphenyl-based organogelators and multi-stimuli-responsive properties for detecting Cu2+

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Sciences Pub Date : 2025-07-18 DOI:10.1007/s12039-025-02388-5

Tao Zhang, Yifeng Zhou, Jihu Shan, Jiaqi Hou, Chong Gu, Bing Wu

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Abstract

Two novel phenyl or biphenyl-based organogelators G1 and G2 were designed and synthesized. Owing to the non-coplanar geometry of the two benzene rings in biphenyl group, gelling performance of G1 was dramatically better than that of G2. Hydrogen bonding, π–π stacking and van der Waals interactions were emerged as the dominant intermolecular forces governing the self-assembly-driven gelation of G1. G1-DMSO gel could act as a multi-stimuli-responsive sensor for detecting Cu²⁺ and present selective gel–sol transformation and colorimetric changes. Furthermore, the selective ion-recognition properties of G1-DMSO gel for Cu²⁺ were investigated by UV–Vis spectra and ESI-MS. It was found that the detection limit for Cu²⁺ was 9.1445 × 10⁻⁶ M and the binding stoichiometric ratio of G1 to Cu²⁺ was 1:1.

Graphical Abstract

Abstract Image

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苯基/联苯基有机凝胶剂的胶凝性能及检测Cu2+的多刺激响应性能

设计并合成了两种新型苯基或联苯基有机凝胶G1和G2。由于联苯基团中两个苯环的非共面几何结构，G1的胶凝性能明显优于G2。氢键、π -π堆叠和范德华相互作用是控制G1自组装驱动凝胶化的主要分子间作用力。G1-DMSO凝胶可以作为多刺激响应传感器检测Cu2+，并呈现选择性的凝胶-溶胶转化和比色变化。此外，通过紫外可见光谱和ESI-MS研究了G1-DMSO凝胶对Cu2+的选择性离子识别性能。结果表明，该方法对Cu2+的检出限为9.1445 × 10−6 M， G1与Cu2+的结合化学计量比为1:1。图形抽象

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来源期刊

Journal of Chemical Sciences CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

5.90%

发文量

107

审稿时长

1 months

期刊介绍： Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.