Conducting polymer-based nanostructures for gas sensors

Liu, Xianghong; Zheng, Wei; Kumar, Rahul; Kumar, Mahesh; Zhang, Jun

doi:10.1016/j.ccr.2022.214517

Cited by 136 publications

(55 citation statements)

References 185 publications

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“…Most e-noses use cross-interactive sensor arrays that react to the VOCs on the sensitive materials' surface attaching with adsorption, desorption and/or reversible reaction, etc. Then the specific responses between the VOCs and sensors array are recorded and transformed into readable digital values which can achieve the recognition and detection based on statistical models or machine algorithm [238][239][240][241][242]. For the hybrid gas sensor arrays (multi-transducer arrays), different transduced techniques are used to lower correlations between the responses of the different sensor types, that greatly improve the accuracy of data analysis and pattern recognition [197,243].…”

Section: Estermentioning

confidence: 99%

Volatolomics in healthcare and its advanced detection technology

Jian

et al. 2022

Nano Res.

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Various diseases increasingly challenge the health status and life quality of human beings. Volatolome emitted from patients has been considered as a potential family of markers, volatolomics, for diagnosis/screening. There are two fundamental issues of volatolomics in healthcare. On one hand, the solid relationship between the volatolome and specific diseases needs to be clarified and verified. On the other hand, effective methods should be explored for the precise detection of volatolome. Several comprehensive review articles had been published in this field. However, a timely and systematical summary and elaboration is still desired. In this review article, the research methodology of volatolomics in healthcare is critically considered and given out, at first. Then, the sets of volatolome according to specific diseases through different body sources and the analytical instruments for their identifications are systematically summarized. Thirdly, the advanced electronic nose and photonic nose technologies for volatile organic compounds (VOCs) detection are well introduced. The existed obstacles and future perspectives are deeply thought and discussed. This article could give a good guidance to researchers in this interdisciplinary field, not only understanding the cutting-edge detection technologies for doctors (medicinal background), but also making reference to clarify the choice of aimed VOCs during the sensor research for chemists, materials scientists, electronics engineers, etc.

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Section: Estermentioning

confidence: 99%

Volatolomics in healthcare and its advanced detection technology

Jian

et al. 2022

Nano Res.

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“…Chemical sensors are highly dependent on surface reactions, and MOFs with ultra-high surface area and porosity are ideal sensing materials. [153][154][155] In recent years, MOFs have been used as a support of SACs because of their abundant SA sites, large specific surface area, and ordered pore structure. 156 Meanwhile, MOFs have been demonstrated to be excellent stabilizers for metal NPs and show synergetic catalysis.…”

Section: Mofs and Their Derivativesmentioning

confidence: 99%

Emerging single atom catalysts in gas sensors

et al. 2022

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“…1. The thought of combining MOS with conducting polymers or carbon-based materials is proposed owing to the integrated advantages of both components [136][137][138][139][140][141][142]. Beyond that, a number of strategies have been used to improve sensing performance of MOS-based FRT gas sensors up to now, such as morphological modification of pristine MOS, noble metal nanoparticles modified MOS, light-illuminated MOS, and two-dimensional (2D) transition metal dichalcogenides (TMDCs) modified MOS.…”

Section: Introductionmentioning

confidence: 99%

Recent Progress on Flexible Room-Temperature Gas Sensors Based on Metal Oxide Semiconductor

et al. 2022

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With the rapid development of the Internet of Things, there is a great demand for portable gas sensors. Metal oxide semiconductors (MOS) are one of the most traditional and well-studied gas sensing materials and have been widely used to prepare various commercial gas sensors. However, it is limited by high operating temperature. The current research works are directed towards fabricating high-performance flexible room-temperature (FRT) gas sensors, which are effective in simplifying the structure of MOS-based sensors, reducing power consumption, and expanding the application of portable devices. This article presents the recent research progress of MOS-based FRT gas sensors in terms of sensing mechanism, performance, flexibility characteristics, and applications. This review comprehensively summarizes and discusses five types of MOS-based FRT gas sensors, including pristine MOS, noble metal nanoparticles modified MOS, organic polymers modified MOS, carbon-based materials (carbon nanotubes and graphene derivatives) modified MOS, and two-dimensional transition metal dichalcogenides materials modified MOS. The effect of light-illuminated to improve gas sensing performance is further discussed. Furthermore, the applications and future perspectives of FRT gas sensors are also discussed.

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Conducting polymer-based nanostructures for gas sensors

Cited by 136 publications

References 185 publications

Volatolomics in healthcare and its advanced detection technology

Volatolomics in healthcare and its advanced detection technology

Emerging single atom catalysts in gas sensors

Recent Progress on Flexible Room-Temperature Gas Sensors Based on Metal Oxide Semiconductor

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