Printable MXene Ink Hybridized with ZSM-5 for Gas Sensing and CO2 Capturing

ECS Transactions Pub Date : 2024-05-17 DOI:10.1149/11313.0015ecst

胜辉夏, Chen Chen, Jinhong Liu, Kyle Leatt, Thomas Thundat, Ajit Khosla

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Abstract

MXene has garnered significant attention as a two-dimensional material with exceptional physicochemical properties for gas sensing development. This study utilized ZSM-5 nanoparticles loaded with MXene to prepare printable inks, aiming to explore novel applications of MXene in the gas sensing field. The morphology of MXene/ZSM-5 was characterized using scanning electron microscopy (SEM) and transmission electron microscopy (TEM), demonstrating the typical layered structure of MXene and particle morphology of composite ZSM-5. X-ray photoelectron spectroscopy (XPS) confirmed no production of TiO2 by providing valence information on elements. Thermogravimetric analysis (TG) revealed excellent thermal stability. To verify functional gas sensing feasibility, various hydrocarbons and common gases underwent adsorption and desorption tests (BET). Results showed that MXene loaded with ZSM-5 exhibited good adsorbability for C4H10, C7H8, SF6, H2O and O2 while having a certain trapping effect on CO2. Through testing and analyzing printing results, it was found that the MXene/ZSM-5 ink overcame dispersion issues present in pure MXene ink.

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与 ZSM-5 杂交的可印刷 MXene 油墨用于气体传感和二氧化碳捕获

MXene 作为一种具有特殊物理化学特性的二维材料，在气体传感领域的发展备受关注。本研究利用负载有 MXene 的 ZSM-5 纳米粒子制备可印刷油墨，旨在探索 MXene 在气体传感领域的新型应用。利用扫描电子显微镜（SEM）和透射电子显微镜（TEM）对 MXene/ZSM-5 的形态进行了表征，结果表明 MXene 具有典型的层状结构，而 ZSM-5 则具有复合颗粒形态。X 射线光电子能谱（XPS）通过提供元素的价态信息，证实没有生成 TiO2。热重分析（TG）显示出卓越的热稳定性。为了验证功能气体传感的可行性，对各种碳氢化合物和常见气体进行了吸附和解吸测试（BET）。结果表明，负载 ZSM-5 的 MXene 对 C4H10、C7H8、SF6、H2O 和 O2 具有良好的吸附性，同时对 CO2 有一定的捕集作用。通过测试和分析印刷结果发现，MXene/ZSM-5 油墨克服了纯 MXene 油墨存在的分散问题。

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ECS Transactions

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