Improved H2S sensing properties of Ag/TiO2 nanofibers

Ma, Shuangfeng; Jia, Jianfeng; Tian, Yongtao; Cao, Lili; Shi, Shenlei; Li, Xinjian; Wang, Xinchang

doi:10.1016/j.ceramint.2015.09.034

Cited by 51 publications

(21 citation statements)

References 24 publications

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“…Fig. 8 shows the X-ray diffraction (XRD) patterns of the TiNT array calcined at 450℃ for 2 h. It can be seen that the phase present was crystal faces, respectively [12,32]. These crystalline peaks indicate that the crystal structure of TiNT film is the anatase phase.…”

Section: Structural and Morphological Characteristicsmentioning

confidence: 99%

“…In particular, being similar to other metal oxide semiconductors, TiO 2 also has shown responses to several kinds of gases [9][10][11]. Although the detection results have been reported so far, the research on the H 2 S sensors with TiO 2 is relatively new and their gas-sensing performance needs to be improved [12,13]. Thus, developing new sensing material with high response, good selectivity and quick response is extremely important for real-time monitoring of H 2 S.…”

Section: Introductionmentioning

confidence: 99%

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A fast response and recovery H2S gas sensor based on free-standing TiO2 nanotube array films prepared by one-step anodization method

Tong

Shen

Chen

et al. 2017

Ceramics International

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Free-standing TiNT array film was successfully synthesized by a one-step anodization method. The characteristic techniques including scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD) were adopted to characterize the morphology and chemical composition of the TiNT array film. Subsequently, gas sensor based on the TiNT array film was fabricated and its sensing performance toward H 2 S was investigated. The results showed that the optimum operating temperature to detect H 2 S gas was 300℃, the detection range to H 2 S gas was 1-50 ppm with the response value of 4.5-26.2, and a *Manuscript Click here to view linked References good linearity of sensing characteristics could be observed. Meanwhile, the response and recovery time of the sensor to 50 ppm H 2 S gas were as low as 22 s and 6 s, respectively. In addition, mechanisms of the development of the free-standing TiNT array film and the sensor towards H 2 S were discussed. In conclusion, its outstanding sensing properties and readily fabrication of the TiNT array film sensor presented the potential industrial applications.

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Section: Structural and Morphological Characteristicsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A fast response and recovery H2S gas sensor based on free-standing TiO2 nanotube array films prepared by one-step anodization method

Tong

Shen

Chen

et al. 2017

Ceramics International

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“…[111][112][113] As we have discussed, one of the approaches to increase the gas-sensing performance is metal doping/modification. Ma et al 114 have fabricated Ag-decorated TiO 2 NFs. This surface is relatively smooth compared to pure TiO 2 NFs.…”

Section: Other Semiconductor-based Materials For H 2 S Gas Sensorsmentioning

confidence: 99%

Nanomaterials-Based Resistive Sensors for Detection of Environmentally Hazardous H2S Gas

Mahajan

Jagtap

2021

J. Electron. Mater.

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The development of nanomaterial-based gas sensors has led to demanding research interest in the last few decades due to their potential for high sensitivity, selectivity, and fast detection of various environmentally hazardous gases. Hydrogen sulfide (H 2 S) is a hazardous gas normally produced from sewage, mines, petroleum fields, gasoline, natural gas production, etc. In this review, advancements in the development of different metal-oxide semiconductors (MOS) and carbon-based H 2 S gas sensors are summarised. The commonly investigated materials in MOS are zinc oxide, tin oxide, tungsten oxide, titanium oxide, indium oxide, copper oxide, and composites, and in carbon allotropes, graphene, carbon nanotubes, and fullerene have been tested for H 2 S gas sensing. The main focus of this review is the description of the various synthesis processes and the morphology of H 2 S gas sensors by various researchers in order to improve the sensing performance parameters, such as response, sensitivity, selectivity, response time, and recovery time using different materials/catalysts.

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“…to design and prepare composite nanofibers with high activity and stability by utilizing the interface effect and synergistic effect between NPs has become another new development trend [67,68,69,70,71]. In the construction of nanoscale sensing interfaces, the metal alloy sensing interface has shown amazing performance in reducing intrinsic and charge transfer resistance, protecting highly active particles and improving the synergistic effect of materials, which has been widely concerned by scholars in various fields [72,73,74,75,76].…”

Section: Electrospinning Np-based Materials Interfacesmentioning

confidence: 99%

Electrospinning Nanoparticles-Based Materials Interfaces for Sensor Applications

Zhang

Jia

Liu

et al. 2019

Sensors

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Electrospinning is a facile technique to fabricate nanofibrous materials with adjustable structure, property, and functions. Electrospun materials have exhibited wide applications in the fields of materials science, biomedicine, tissue engineering, energy storage, environmental science, sensing, and others. In this review, we present recent advance in the fabrication of nanoparticles (NPs)-based materials interfaces through electrospinning technique and their applications for high-performance sensors. To achieve this aim, first the strategies for fabricating various materials interfaces through electrospinning NPs, such as metallic, oxide, alloy/metal oxide, and carbon NPs, are demonstrated and discussed, and then the sensor applications of the fabricated NPs-based materials interfaces in electrochemical, electric, fluorescent, colorimetric, surface-enhanced Raman scattering, photoelectric, and chemoresistance-based sensing and detection are presented and discussed in detail. We believe that this study will be helpful for readers to understand the fabrication of functional materials interfaces by electrospinning, and at the same time will promote the design and fabrication of electrospun nano/micro-devices for wider applications in bioanalysis and label-free sensors.

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Improved H2S sensing properties of Ag/TiO2 nanofibers

Cited by 51 publications

References 24 publications

A fast response and recovery H2S gas sensor based on free-standing TiO2 nanotube array films prepared by one-step anodization method

A fast response and recovery H2S gas sensor based on free-standing TiO2 nanotube array films prepared by one-step anodization method

Nanomaterials-Based Resistive Sensors for Detection of Environmentally Hazardous H2S Gas

Electrospinning Nanoparticles-Based Materials Interfaces for Sensor Applications

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