首次报道用于室温下乙醇检测的水力电池驱动气体传感器：一种新方法

IF 4.9 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-08-25 DOI:10.1016/j.sna.2025.117003

Nikita Jain , Hemant K. Arora , Sunil Kumar , Nitin K. Puri

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引用次数: 0

摘要

基于n型SnS纳米片，在室温下制备了一种具有良好选择性、灵敏度和稳定性的自供电乙醇气体传感器。n型基于sns的HEC作为自供电乙醇气体传感器的电源，能够在室温下检测各种浓度的乙醇气体。因此，电源和气体传感器已有效地结合在一个设备中，展示了两种功能的成功集成。x射线衍射（XRD）、场发射扫描电镜（FESEM）、高分辨率透射电镜（HRTEM）、能量色散x射线（EDX）和brunauer - emmet - teller （BET）分析证实形成了具有高比表面积（6.15 m2 g−1）的正交型SnS纳米片。在RT下观察到HEC的电压-电流（V- i）特性曲线，最大电流（Imax）为40 μA，电压为1.03 V。分析了自供电乙醇气体传感器对不同浓度乙醇气体（10-300 ppm）的传感性能。该传感器的响应值（Ra/Rg）为41.3至100 ppm的乙醇气体浓度，在rt下的快速响应/恢复时间分别为27.3 s/31.4 s。该传感器在长时间的乙醇气体检测中显示出很好的潜力，每5天测量一次，成功运行了30天。实验结果表明，n型基于sns的自供电乙醇气体传感器是集成到未来大规模物联网系统的有前途的平台。这一突破为更通用和可扩展的物联网解决方案铺平了道路，实现了在各种设置下的持续环境监测和数据收集。

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First report on hydroelectric cell-driven gas sensor for the detection of ethanol at room temperature: A novel approach

A novel self-powered ethanol gas sensor, exhibiting excellent selectivity, sensitivity, and stability, has been developed based on n-type SnS nanoflakes at room temperature (RT). The n-type SnS-based HEC serves as the power source for self-powered ethanol gas sensors, enabling the detection of various concentrations of ethanol gas at RT. Consequently, the power supply and gas sensor have been effectively combined into a single device, demonstrating a successful integration of both functionalities. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), high-resolution transmission electron microscopy (HRTEM), Energy dispersive X-ray (EDX) and Brunauer-Emmett-Teller (BET) analysis have confirmed the formation of orthorhombic SnS nanoflakes with a high specific surface area (6.15 m² g⁻¹). The observed voltage-current (V-I) characteristic curves of the HEC at RT have shown a maximum current (I_max) of 40 μA and voltage of 1.03 V. The sensing performance of the self-powered ethanol gas sensor has been analysed for various concentrations of ethanol gas (10–300 ppm). The sensor has exhibited a response value (R_a/R_g) of 41.3 to 100 ppm ethanol gas concentration, with quick response/recovery times of 27.3 s/31.4 s respectively at RT. The sensor has shown promising potential for prolonged ethanol gas detection, operating successfully for 30 days with measurements taken every 5 days. The experimental results demonstrate that the n-type SnS-based self-powered ethanol gas sensor is a promising platform for integration into future large-scale IoT systems. This breakthrough paves the way for more versatile and scalable IoT solutions, enabling continuous environmental monitoring and data collection across various settings.

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...