Breathtaking competition in ethylene glycol sensing of ZnCo2O4 and ZnCo2O4/graphene nanoparticles

IF 3.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Sol-Gel Science and Technology Pub Date : 2025-07-26 DOI:10.1007/s10971-025-06877-4

Arefeh Rezapour, Samaneh Rasouli Jamnani, Abbas Bagheri Khatibani, Zahra Tirehdast, Ensie Basiri Tochaee

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引用次数: 0

Abstract

This study involves the prepration of ZnCo₂O₄ and ZnCo₂O₄/graphene nanostructures to investigate their sensing capabilities toward ethylene glycol vapors (in different concentrations 100-500 ppm). Several characterizations were carried out to confirm the composition and identify the prepared samples, including XRD (X-ray diffraction), EDX (energy dispersive X-ray spectroscopy), FESEM (field emission scanning electron microscopy), FTIR (Fourier transform infrared spectroscopy), DRS (diffuse reflectance spectroscopy), and BET (Brunauer–Emmett–Teller analysis). Although there is a slight difference between the responses of ZnCo₂O₄ and ZnCo₂O₄/graphene, the response time of ZnCo₂O₄/graphene sample was significantly better and the linear responses belonged to the ZnCo₂O₄/graphene-based sensor. The ZnCo₂O₄/graphene based sensor appears more suitable for practical applications. The ZnCo₂O₄/graphene based sensor has the best selevtivity toward ethylene glycol in the presence of other gas vapors including ethanol, acetone, N,N-Dimethylformamide, isopropanol, methanol, and triethylamine. The limit of detection of the mentioned sensor was found 33 parts per billion (ppb).

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ZnCo2O4和ZnCo2O4/石墨烯纳米颗粒在乙二醇传感领域的激烈竞争

本研究包括ZnCo2O4和ZnCo2O4/石墨烯纳米结构的制备，以研究它们对不同浓度（100-500 ppm）的乙二醇蒸汽的传感能力。通过XRD （x射线衍射）、EDX（能量色散x射线光谱）、FESEM（场发射扫描电子显微镜）、FTIR（傅里叶变换红外光谱）、DRS（漫反射光谱）和BET （brunauer - emmet - teller分析）等表征来确定样品的组成和鉴定。虽然ZnCo2O4和ZnCo2O4/石墨烯样品的响应略有差异，但ZnCo2O4/石墨烯样品的响应时间明显更好，线性响应属于ZnCo2O4/石墨烯传感器。基于ZnCo2O4/石墨烯的传感器似乎更适合实际应用。基于ZnCo2O4/石墨烯的传感器在乙醇、丙酮、N、N-二甲基甲酰胺、异丙醇、甲醇和三乙胺等气体蒸气存在的情况下对乙二醇具有最佳的选择性。该传感器的检测限为十亿分之33 （ppb）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.