Flexible Mixed-Potential-Type (MPT) NO2 Sensor Based on An Ultra-Thin Ceramic Film

You, Rui; Yu, Haiqing; Cui, Tianhong

doi:10.3390/s17081740

Cited by 6 publications

(3 citation statements)

References 32 publications

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“…E-strate ® is made of 3 mol% partially yttria-stabilized zirconia (3YSZ) [ 13 ]. Due to its high dielectric constant, low thermal conductivity, superior mechanical properties, and tolerance to high temperatures, E-strate ® has enabled radio frequency, photonics, chemical sensing, and renewable energy applications [ 14 , 15 , 16 , 17 ]. Various metallization techniques have been investigated on this substrate for device fabrication, while inkjet printing for device fabrication has been relatively unexplored.…”

Section: Introductionmentioning

confidence: 99%

Inkjet Printing on a New Flexible Ceramic Substrate for Internet of Things (IoT) Applications

et al. 2020

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In this article, the optimization of printing properties on a new, flexible ceramic substrate is reported for sensing and antenna applications encompassing internet of things (IoT) devices. E-Strate® is a commercially available, non-rigid, thin ceramic substrate for implementing in room temperature and high-temperature devices. In this substrate, the printing parameters like drop spacing, number of printed layers, sintering temperature, and sintering time were varied to ensure an electrically conductive and repeatable pattern. The test patterns were printed using silver nanoparticle ink and a Dimatix 2831 inkjet printer. Electrical conductivity, high-temperature tolerance, bending, and adhesion were investigated on the printed samples. The three-factor factorial design analysis showed that the number of printed layers, sintering temperature, sintering time, and their interactions were significant factors affecting electrical conductivity. The optimum printing parameters for the thin E-Strate® substrate were found to be 20 μm drop spacing, three layers of printing, and 300 °C sintering temperature for 30 min. The high-temperature tolerance test indicated a stable pattern without any electrical degradation. Repetitive bending, adhesion test, and ASTM tape tests showed adequate mechanical stability of the pattern. These results will provide insight for investigators interested in fabricating new IoT devices.

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Section: Introductionmentioning

confidence: 99%

Inkjet Printing on a New Flexible Ceramic Substrate for Internet of Things (IoT) Applications

et al. 2020

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“…Comparing to the metal oxide semiconductor, catalytic combustion and surface acoustic wave (SAW) gas sensors, the mixed type potential sensor has many advantages including better mechanical properties, chemical stability and thermal stability at high temperatures [9], which make mixed potential sensor work well in the harsh environment such as the automobile exhaust gas after-treatment system [8,10,11,12,13]. Recently, to further improve the performance of the mixed potential sensor effectively, many groups have turned their attention to finding more sensitive materials including single metal oxides, composite perovskite and spinel-type oxides, and also made some good results [14,15]. Researchers used In 2 O 3 as SE had reached a NO 2 response of 126 mV to 100 ppm at 700 °C [16].…”

Section: Introductionmentioning

confidence: 99%

High Performance Mixed Potential Type NO2 Gas Sensor Based on Porous YSZ Layer Formed with Graphite Doping

Hong

Sun

et al. 2019

Sensors

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High performance mixed potential type NO2 sensors using porous yttria-stabilized zirconia (YSZ) layers doped with different concentration graphite as solid electrolyte and LaFeO3 as sensing electrode were fabricated and characterized. LaFeO3 was prepared by a typical citrate sol–gel method and characterized using XRD. The surface morphology and porosity of porous YSZ layers were characterized by field emission scanning electron microscope (FESEM). The sensor doped with 3 wt% graphite shows the highest response (−76.4 mV to 80 ppm NO2) and the response is linearly dependent on the logarithm of NO2 concentration in the range of 10–200 ppm. The sensor measurement results also present good repeatability and cross-sensitivity.

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“…The ultrasensitive real-time detection of gaseous chemical analytes is critically important for human safety protection and environmental monitoring [ 1 , 2 , 3 , 4 ]. Among the various hazardous gases, NO 2 , which is mainly emitted from the fossil fuel combustion, is extremely noxious to human beings, and can lead to the photochemical smog and acid rain that threaten both environmental security and personal respiratory tracts [ 5 , 6 , 7 , 8 , 9 ]. Even the exposure of NO 2 that is no more than 1 ppm may irritate the eyes, throat, and nose, and cause headaches or acute pulmonary edema.…”

Section: Introductionmentioning

confidence: 99%

Sulfophenyl-Functionalized Reduced Graphene Oxide Networks on Electrospun 3D Scaffold for Ultrasensitive NO2 Gas Sensor

Zou

Guo

Shen

et al. 2017

Sensors

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Ultrasensitive room temperature real-time NO2 sensors are highly desirable due to potential threats on environmental security and personal respiratory. Traditional NO2 gas sensors with highly operated temperatures (200–600 °C) and limited reversibility are mainly constructed from semiconducting oxide-deposited ceramic tubes or inter-finger probes. Herein, we report the functionalized graphene network film sensors assembled on an electrospun three-dimensional (3D) nanonetwork skeleton for ultrasensitive NO2 sensing. The functional 3D scaffold was prepared by electrospinning interconnected polyacrylonitrile (PAN) nanofibers onto a nylon window screen to provide a 3D nanonetwork skeleton. Then, the sulfophenyl-functionalized reduced graphene oxide (SFRGO) was assembled on the electrospun 3D nanonetwork skeleton to form SFRGO network films. The assembled functionalized graphene network film sensors exhibit excellent NO2 sensing performance (10 ppb to 20 ppm) at room temperature, reliable reversibility, good selectivity, and better sensing cycle stability. These improvements can be ascribed to the functionalization of graphene with electron-withdrawing sulfophenyl groups, the high surface-to-volume ratio, and the effective sensing channels from SFRGO wrapping onto the interconnected 3D scaffold. The SFRGO network-sensing film has the advantages of simple preparation, low cost, good processability, and ultrasensitive NO2 sensing, all advantages that can be utilized for potential integration into smart windows and wearable electronic devices for real-time household gas sensors.

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Flexible Mixed-Potential-Type (MPT) NO2 Sensor Based on An Ultra-Thin Ceramic Film

Cited by 6 publications

References 32 publications

Inkjet Printing on a New Flexible Ceramic Substrate for Internet of Things (IoT) Applications

Inkjet Printing on a New Flexible Ceramic Substrate for Internet of Things (IoT) Applications

High Performance Mixed Potential Type NO2 Gas Sensor Based on Porous YSZ Layer Formed with Graphite Doping

Sulfophenyl-Functionalized Reduced Graphene Oxide Networks on Electrospun 3D Scaffold for Ultrasensitive NO2 Gas Sensor

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