CuO Nanofibers Prepared by Electrospinning for Gas Sensing Application: Effect of Copper Salt Concentration

Van, Dung Nguyen; Le, Dang Thi Thanh; Dinh, Trung Nguyen; Do, Dung Ngoc; Hung, Nguyen Manh; Van, Duy Nguyen; Hòa, Nguyễn Đức; Van, Hieu Nguyen

doi:10.1166/jnn.2016.12747

Cited by 13 publications

(6 citation statements)

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“…The structural characteristics of nanofibers/nanowires prepared by the above processes are different, among which CuO/Cu 2 O fabricated by the multiple-step method usually has core–shell nanostructure features, while that synthesized via the facile-step method has mostly a porous structure. 55,68,99 For example, Han et al 66 have obtained CuO–ZnO nanofibers by the multistep method composed of electrospinning, atomic layer deposition (ALD), and a calcination process, as shown in Fig. 6a.…”

Section: Synthesis Strategies Of Cuo/cu2omentioning

confidence: 99%

Copper-based metal oxides for chemiresistive gas sensors

et al. 2022

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Section: Synthesis Strategies Of Cuo/cu2omentioning

confidence: 99%

Copper-based metal oxides for chemiresistive gas sensors

et al. 2022

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“…Extensive efforts have been dedicated to fabricating the 1D nanomaterials using various techniques, including thermal evaporation, self-catalytic growth, hydrothermal, and electrospinning. 9,10 Electrospinning, in particular, has garnered significant attention as a simple and flexible method capable of producing 1D nanomaterials with a high length-to-diameter ratio. This high ratio facilitates more effective electron transport.…”

Section: Introductionmentioning

confidence: 99%

“…This high ratio facilitates more effective electron transport. 9 Indium oxide (In 2 O 3 ) is a representative n-type semiconductor that demonstrates excellent suitability for gas sensing applications. Its synthesis is relatively facile, and it possesses lower resistance compared to other materials.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of indium oxide nanofibers using electrospinning method towards gas sensor application

Tan,

Phu,

Van Duc

et al. 2024

Vietnam Journal of Chemistry

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Indium oxide nanofibers (NFs) were synthesized through a two‐step process involving electrospinning followed by calcination. The structural, microstructural, morphological, and elemental characteristics were thoroughly analyzed using techniques such as X‐ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy‐dispersive spectrometry (EDS) mapping. The characterization of the In2O3 NFs revealed their consistent thickness, structural integrity, and high purity. The nanofibers revealed a uniform diameter spanning from 20 to 50 nm. Upon subjecting the as‐spun nanofibers to heat treatment at 500 °C for 2 h, elongated In2O3 nanofibers containing necked nanoparticles were successfully obtained. The first tests of ammonia sensing were done from 250 to 450 °C; the In2O3 NFs sensor presented a good response of 2.05–100 ppm NH3 at an operation temperature of 300 °C.

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“…It is important; however, to control all of the above three stages to obtain high quality fibers with the desired final properties. 10 It has the merits of simplicity, high efficiency, low cost, and high reproducibility. 11 In the other hand, many studies have reported on H 2 and CO gases sensing.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of CuO by Electrospinning Method for Sensing of Hydrogen and Carbon Monoxide Gases

Shojaei

Komsari²

2021

ACSi

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The pure CuO nanofibers were synthesized via the electrospinning method successfully. The calcinated CuO nanofibers were investigated for sensing hydrogen and carbon monoxide gases. Structural properties of the synthesized calcinated nanofibers were studied using Fourier –transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Energy-dispersive X-ray spectroscopy (EDX), and particle morphology by scanning electron microscopy (SEM). SEM images confirmed string-like structures, nanofibers. The sensor based on the calcinated CuO nanofibers exhibited excellent gas sensing performance at the low operating temperature of 175 °C and the fast response and recovery characteristics at a low concentration. Moreover, good stability, prominent reproducibility, and excellent selectivity are also observed based on the calcinated nanofibers. These results demonstrate the potential application of calcinated CuO nanofibers for sensing hydrogen (10–200 ppm) and carbon monoxide (400–700 ppm) gases.

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CuO Nanofibers Prepared by Electrospinning for Gas Sensing Application: Effect of Copper Salt Concentration

Cited by 13 publications

References 0 publications

Copper-based metal oxides for chemiresistive gas sensors

Copper-based metal oxides for chemiresistive gas sensors

Synthesis of indium oxide nanofibers using electrospinning method towards gas sensor application

Synthesis of CuO by Electrospinning Method for Sensing of Hydrogen and Carbon Monoxide Gases

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