NiO/ZnO Nanocomposites for Multimodal Intelligent MEMS Gas Sensors.

IF 9.1 1区 化学 Q1 CHEMISTRY, ANALYTICAL ACS Sensors Pub Date : 2025-04-25 Epub Date: 2025-03-24 DOI:10.1021/acssensors.4c02789
Jiaqing Zhu, Lechen Chen, Wangze Ni, Weiwei Cheng, Zhi Yang, Shusheng Xu, Tao Wang, Bowei Zhang, Fuzhen Xuan
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Abstract

Gas sensor arrays designed for pattern recognition face persistent challenges in achieving high sensitivity and selectivity for multiple volatile organic compounds (VOCs), particularly under varying environmental conditions. To address these limitations, we developed multimodal intelligent MEMS gas sensors by precisely tailoring the nanocomposite ratio of NiO and ZnO components. These sensors demonstrate enhanced responses to ethylene glycol (EG) and limonene (LM) at different operating temperatures, demonstrating material-specific selectivity. Additionally, a multitask deep learning model is employed for real-time, quantitative detection of VOCs, accurately predicting their concentration and type. These results showcase the effectiveness of combining material optimization with advanced algorithms for real-world VOCs detection, advancing the field of odor analysis tools.

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用于多模态智能MEMS气体传感器的NiO/ZnO纳米复合材料。
用于模式识别的气体传感器阵列在实现对多种挥发性有机化合物(VOCs)的高灵敏度和选择性方面面临着持续的挑战,特别是在不同的环境条件下。为了解决这些限制,我们通过精确定制NiO和ZnO组件的纳米复合比例开发了多模态智能MEMS气体传感器。这些传感器在不同的工作温度下对乙二醇(EG)和柠檬烯(LM)的响应增强,证明了材料特异性的选择性。此外,采用多任务深度学习模型对VOCs进行实时定量检测,准确预测其浓度和类型。这些结果展示了将材料优化与先进的VOCs检测算法相结合的有效性,推动了气味分析工具领域的发展。
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来源期刊
ACS Sensors
ACS Sensors Chemical Engineering-Bioengineering
CiteScore
14.50
自引率
3.40%
发文量
372
期刊介绍: ACS Sensors is a peer-reviewed research journal that focuses on the dissemination of new and original knowledge in the field of sensor science, particularly those that selectively sense chemical or biological species or processes. The journal covers a broad range of topics, including but not limited to biosensors, chemical sensors, gas sensors, intracellular sensors, single molecule sensors, cell chips, and microfluidic devices. It aims to publish articles that address conceptual advances in sensing technology applicable to various types of analytes or application papers that report on the use of existing sensing concepts in new ways or for new analytes.
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