The gas sensor utilizing polyaniline/ MoS2 nanosheets/ SnO2 nanotubes for the room temperature detection of ammonia

Liu, Ao; Lv, Siyuan; Li, Jiang; Liu, Fangmeng; Zhao, Lianjing; Wang, Jing; Hu, Xiaolong; Yang, Zijie; He, Junming; Wang, Chenguang; Yan, Xu; Sun, Peng; Shimanoe, Kengo; Lu, Geyu

doi:10.1016/j.snb.2021.129444

Cited by 119 publications

(44 citation statements)

References 47 publications

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“…Our next steps will be to develop ceramic based fractal structures allowing much higher operating temperatures or selecting better gas sensing materials, such as metal oxide semiconductor [31] or polymer etc. [32].…”

Section: Discussionmentioning

confidence: 99%

Development of Gas Sensor Based on Fractal Substrate Structures

Jiang

Tian

Covington

et al. 2022

IEEE Trans. Instrum. Meas.

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Section: Discussionmentioning

confidence: 99%

Development of Gas Sensor Based on Fractal Substrate Structures

Jiang

Tian

Covington

et al. 2022

IEEE Trans. Instrum. Meas.

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“…The use of multi-compositional 1D structures is an effective way to improve the gas-sensing performance [54]. Incorporating heterogeneous sensing materials that combine metal oxides on a conductive carbon framework can facilitate the development of high-performance gas sensors through the activation of the physical/chemical adsorption properties of gas species [55,56]. Jang et al fabricated porous RGO fibers functionalized with WO 3 NRs by employing wet-spinning and solution-based self-assembly processes [57].…”

Section: Gas Sensorsmentioning

confidence: 99%

Nanomaterials for IoT Sensing Platforms and Point-of-Care Applications in South Korea

Choi

Lee

Choi

et al. 2022

Sensors

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Herein, state-of-the-art research advances in South Korea regarding the development of chemical sensing materials and fully integrated Internet of Things (IoT) sensing platforms were comprehensively reviewed for verifying the applicability of such sensing systems in point-of-care testing (POCT). Various organic/inorganic nanomaterials were synthesized and characterized to understand their fundamental chemical sensing mechanisms upon exposure to target analytes. Moreover, the applicability of nanomaterials integrated with IoT-based signal transducers for the real-time and on-site analysis of chemical species was verified. In this review, we focused on the development of noble nanostructures and signal transduction techniques for use in IoT sensing platforms, and based on their applications, such systems were classified into gas sensors, ion sensors, and biosensors. A future perspective for the development of chemical sensors was discussed for application to next-generation POCT systems that facilitate rapid and multiplexed screening of various analytes.

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“…Table 1 shows a comparison of the sensing properties of PANI/hollow C#In 2 O 3 nanofiber and formerly reported sensors from the literature. Liu et al [20] used MoS 2 nanosheets, SnO 2 nanotubes, and PANI to fabricate a composite sensor containing nanostructured conformation. Their result revealed that the response value of 50 ppm NH 3 at room temperature was 7.5, which was lower than that of our results.…”

Section: Nh 3 -Sensing Performancementioning

confidence: 99%

Facile Synthesis of Polyaniline/Carbon-Coated Hollow Indium Oxide Nanofiber Composite with Highly Sensitive Ammonia Gas Sensor at the Room Temperature

Hong

Huang

2022

Sensors

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Hollow carbon-coated In2O3 (C#In2O3) nanofibers were prepared using an efficiently combined approach of electrospinning, high-temperature calcination, and hydrothermal process. The polyaniline (PANI)/hollow C#In2O3 nanofiber composites were synthesized used hollow C#In2O3 nanofibers worked as a core through the in situ chemical oxidative polymerization. The morphology and crystalline structure of the PANI/hollow C#In2O3 nanofiber composite were identified using wide-angle X-ray diffraction and transmission electron microscopy. The gas-sensing performances of the fabricated PANI/hollow C#In2O3 nanofiber composite sensor were estimated at room temperature, and the response value of the composite sensor with an exposure of 1 ppm NH3 was 18.2, which was about 5.74 times larger than that of the pure PANI sensor. The PANI/hollow C#In2O3 nanofiber composite sensor was demonstrated to be highly sensitive to the detection of NH3 in the concentration range of 0.6~2.0 ppm, which is critical for kidney or hepatic disease detection from the human breath. This composite sensor also displayed superior repeatability and selectivity at room temperature with exposures of 1.0 and 2.0 ppm NH3. Because of the outstanding repeatability and selectivity to the detection of NH3 at 1.0 and 2.0 ppm confirmed in this investigation, the PANI/hollow C#In2O3 nanofiber composite sensor will be considered as a favorable gas-sensing material for kidney or hepatic disease detection from human breath.

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The gas sensor utilizing polyaniline/ MoS2 nanosheets/ SnO2 nanotubes for the room temperature detection of ammonia

Cited by 119 publications

References 47 publications

Development of Gas Sensor Based on Fractal Substrate Structures

Development of Gas Sensor Based on Fractal Substrate Structures

Nanomaterials for IoT Sensing Platforms and Point-of-Care Applications in South Korea

Facile Synthesis of Polyaniline/Carbon-Coated Hollow Indium Oxide Nanofiber Composite with Highly Sensitive Ammonia Gas Sensor at the Room Temperature

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