Mixed-potential-type zirconia-based NO2 sensor with high-performance three-phase boundary

Liang, Xishuang; Yang, Shiqi; Li, Jianguo; Zhang, Han; Diao, Quan; Zhao, Wan

doi:10.1016/j.snb.2011.02.051

Cited by 106 publications

(41 citation statements)

References 34 publications

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“…Sample gases can pass through the porous SE layer and reach the SE/YSZ interface where a sensing signal is generated. It is well known that a part of sample gas is oxidized (or decomposed) during the diffusion process by a heterogeneous gas-phase reaction [9,15,[75][76][77]. This causes the decrease in concentration of the sample gas reaching the SE/YSZ interface and consequently lowers the sensor's sensitivity.…”

Section: Sensor Configurationmentioning

confidence: 99%

A review of mixed-potential type zirconia-based gas sensors

Miura

Sato

Anggraini

et al. 2014

Ionics

295

188

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A robust and reliable gas sensing device is considered as a convenient and practical solution for gas concentration monitoring that has become a mandatory requirement in different field of applications. For in situ hazardous gases detection, a mixed-potential type gas sensor has been regarded as a promising solid-state gas sensor. For the past three decades, there has been a significant progress in achieving high performance in mixed-potential type sensors. Therefore, this review is focused on reporting the development of mixedpotential type gas sensors with combined yttria-stabilized zirconia (YSZ) as the base solid electrolyte material and various classes of electrode materials for their potential utilization as a high-performance sensing electrode. The underlying sensing mechanism of a mixed-potential type YSZ-based sensor is elaborated here in detail. Transformation in design and configuration of this type of sensor is also covered in this report. In addition, recent progresses on mixed-potential type gas sensors development for detection of several target gases, such as carbon monoxide, hydrocarbons, nitrogen oxides, hydrogen, and ammonia, are reviewed. Strategies to improve the sensing characteristic, particularly gas sensitivity and selectivity, are also reported. Based on the understanding of the fundamental sensing mechanism and the requirements for high-performance gas sensors, challenges and future trends for this type of gas sensor development are discussed.

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Section: Sensor Configurationmentioning

confidence: 99%

A review of mixed-potential type zirconia-based gas sensors

Miura

Sato

Anggraini

et al. 2014

Ionics

295

188

View full text Add to dashboard Cite

show abstract

“…We have noticed that the response direction of H 2 is negative, although this kind of gas is the typical reducing one. Such result can be attributed to the planar structure of the sensor [36]. For the planar type sensor, since both sensing electrode and reference electrode are exposed to the same atmosphere, the sensing signal is determined by the difference of the currents at the sensing and reference electrodes.…”

Section: Sensing Performances Of the Co Sensorsmentioning

confidence: 99%

Highly sensitive amperometric CO sensor using nanocomposite C-loaded PdCl2–CuCl2 as sensing electrode materials

Xuan

Yin

et al. 2015

Journal of Alloys and Compounds

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“…Specially, nano-structured sensing electrodes have been exploited to improve the sensitivity of the sensors due to their high catalytic activities to NO 2 [5][6][7]. Besides sensing materials composition and morphology, some efforts have been done to increase the triple phase boundary (TPB, gas/sensing electrode/electrolyte) length [8][9][10] for improving the performances of mixed-potential-type NO 2 sensors. In Ref.…”

Section: Introductionmentioning

confidence: 99%

“…In Refs. [9,10], the TPB length was increased by controlling the roughness of the YSZ electrolyte surface with the hydrofluoric acid corrosion and preparing a porous YSZ layer using starch as pore template, respectively.…”

Section: Introductionmentioning

confidence: 99%