Versatile organosilicone porous materials for the detection of nitroaromatics and the visualization of fingerprints

IF 5.8 2区化学 Q1 POLYMER SCIENCE European Polymer Journal Pub Date : 2024-11-14 DOI:10.1016/j.eurpolymj.2024.113576

Yafang Zhang , Pengfei Hua , Yanfu Chai , Yujing Zuo

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Abstract

Achieving explosive detection and fingerprints visualization at the same time is of great significance. Towards this end, based on the cage structure and multiple reaction sites of octavinyl polyhedral oligomeric silsesquioxane (OVS), a series of multifunctional silicone porous materials OVSBs and OVSTs were designed and synthesized with 1,3,5-triphenylbenzene and 2,4,6-triphenyl-1,3,5-triazine. These porous materials have narrow pore size distribution, high specific surface area and pony-sized that smaller than 5 nm. The micropore volume ratio of porous materials can be changed by regulating the molar ratio of OVS to functional compounds. OVSB-2 shows excellent adsorption capacity for fluorescent dyes due to its highest specific surface area and high micropore volume ratio. OVSB-2 also has superior fluorescence characteristic, which can quickly detect nitroaromatic compounds within 20 s. This work provided a new method for expanding the application of silicone mesoporous materials in explosive detection and fingerprints visualization simultaneously.

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多用途有机硅多孔材料，用于检测硝基芳香族化合物和可视化指纹

同时实现爆炸物检测和指纹可视化具有重要意义。为此，基于八乙烯基多面体低聚硅倍半氧烷（OVS）的笼状结构和多反应位点，设计并用 1,3,5-三苯基苯和 2,4,6-三苯基-1,3,5-三嗪合成了一系列多功能有机硅多孔材料 OVSBs 和 OVSTs。这些多孔材料的孔径分布窄，比表面积高，孔径小于 5 纳米。通过调节 OVS 与功能化合物的摩尔比，可以改变多孔材料的微孔体积比。OVSB-2 具有最大的比表面积和较高的微孔体积比，因此对荧光染料具有出色的吸附能力。这项工作为扩大有机硅介孔材料在爆炸物检测和指纹可视化方面的应用提供了一种新方法。

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来源期刊

European Polymer Journal 化学-高分子科学

CiteScore

9.90

自引率

10.00%

发文量

691

审稿时长

23 days

期刊介绍： European Polymer Journal is dedicated to publishing work on fundamental and applied polymer chemistry and macromolecular materials. The journal covers all aspects of polymer synthesis, including polymerization mechanisms and chemical functional transformations, with a focus on novel polymers and the relationships between molecular structure and polymer properties. In addition, we welcome submissions on bio-based or renewable polymers, stimuli-responsive systems and polymer bio-hybrids. European Polymer Journal also publishes research on the biomedical application of polymers, including drug delivery and regenerative medicine. The main scope is covered but not limited to the following core research areas: Polymer synthesis and functionalization • Novel synthetic routes for polymerization, functional modification, controlled/living polymerization and precision polymers. Stimuli-responsive polymers • Including shape memory and self-healing polymers. Supramolecular polymers and self-assembly • Molecular recognition and higher order polymer structures. Renewable and sustainable polymers • Bio-based, biodegradable and anti-microbial polymers and polymeric bio-nanocomposites. Polymers at interfaces and surfaces • Chemistry and engineering of surfaces with biological relevance, including patterning, antifouling polymers and polymers for membrane applications. Biomedical applications and nanomedicine • Polymers for regenerative medicine, drug delivery molecular release and gene therapy The scope of European Polymer Journal no longer includes Polymer Physics.