释放MoS2/CuO纳米结构用于丙酮检测的潜力

IF 4.6 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-07-26 DOI:10.1016/j.mseb.2025.118646

Arslan Shahid , Shahid Hussain , Muhammad Javed Liaqat , Talib K. Ibrahim , Mohammed Mujahid Alam , Mohamed Hussien , Rajesh Kumar Manavalan , Xiangzhao Zhang , Guiwu Liu , Guanjun Qiao

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引用次数: 0

摘要

室温丙酮气体传感用MoS2/CuO复合材料的研制是化学传感器领域的一个重大进展。本研究提出了一种基于MoS2/CuO异质结的高灵敏度和选择性丙酮气体传感器的制备和表征。所得到的复合材料表现出良好的异质结，这对增强气体吸附和传感器响应至关重要。在室温条件下，MoS2/CuO传感器具有良好的丙酮检测性能，具有良好的响应（7.01）、较短的响应和恢复时间（85/177 s）和较好的选择性。丙酮吸附后，MoS2/CuO界面的耗尽区发生了调制，导致传感器电阻发生了显著变化。结果表明，MoS2/CuO复合材料是开发低成本、高效的室温丙酮传感器的可行材料。

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Unlocking the potential of MoS2/CuO Nanoarchitectures for acetone detection

The development of a MoS₂/CuO composite for acetone gas sensing at room temperature represents a significant advancement in the field of chemical sensors. This study presents the fabrication and characterization of a highly sensitive and selective acetone gas sensor based on a MoS₂/CuO heterojunction. The resulting composite exhibited a well-defined heterojunction, which is crucial for enhancing gas adsorption and sensor response. The MoS₂/CuO sensor demonstrated excellent performance in detecting acetone at room temperature, with an excellent response (7.01), short response and recovery times (85/177 s), and good selectivity than other testing gases. The gas sensing mechanism was attributed to the modulation of the depletion region at the MoS₂/CuO interface upon acetone adsorption, which led to a significant change in the sensor electrical resistance. The results indicate that the MoS₂/CuO composite is a viable material for the development of low-cost, efficient acetone sensor operating at room temperature.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.