Hydrothermal synthesis, characterization, formation mechanism and electrochemical property of V3O7·H2O single-crystal nanobelts

Zhang, Yifu; Liu, Xinghai; Xie, Guangyong; Yu, Lei; Yi, Shengping; Hu, Mingzhe; Huang, Chi

doi:10.1016/j.mseb.2010.07.023

Cited by 88 publications

(58 citation statements)

References 51 publications

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“…As is well known, vanadium has abundant oxidation states (0 to +5), which usually correspond to a variety of binary oxides with the general formula VO 2 + x (−0.5 x 0.5) [15,16], such as V 2 O 5 , VO 2 , V 2 O 3 , V 3 O 7 , V 4 O 9 , V 6 O 13 , etc. In the family of vanadium oxides, vanadium dioxide (VO 2 ) is a representative binary compound with different polymorphs, including VO 2 (M), VO 2 (R), VO 2 (B), * E-mail: yfzhang@dlut.edu.cn VO 2 (A), VO 2 (C), VO 2 (D), etc.…”

Section: Introductionmentioning

confidence: 99%

VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties

Zhang

2016

Materials Science-Poland

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Vanadium dioxide VO 2 has been paid in recent years increasing attention because of its various applications, however, its oxidation resistance properties in air atmosphere have rarely been reported. Herein, VO 2 (B) nanobelts were transformed into VO 2 (A) and VO 2 (M) nanobelts by hydrothermal route and calcination treatment, respectively. Then, we comparatively studied the oxidation resistance properties of VO 2 (B), VO 2 (A) and VO 2 (M) nanobelts in air atmosphere by thermo-gravimetric analysis and differential thermal analysis (TGA/DTA). It was found that the nanobelts had good thermal stability and oxidation resistance below 341°C, 408°C and 465°C in air, respectively, indicating that they were stable in air at room temperature. The fierce oxidation of the nanobelts occurred at 426, 507 and 645°C, respectively. The results showed that the VO 2 (M) nanobelts had the best thermal stability and oxidation resistance among the others. Furthermore, the phase transition temperatures and optical switching properties of VO 2 (A) and VO 2 (M) were studied by differential scanning calorimetry (DSC) and variabletemperature infrared spectra. It was found that the VO 2 (A) and VO 2 (M) nanobelts had outstanding thermochromic character and optical switching properties.

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Section: Introductionmentioning

confidence: 99%

VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties

Zhang

2016

Materials Science-Poland

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“…Vanadium oxides and their derived compounds have attracted increasing attention in recent years [12][13][14][15][16][17][18][19][20][21][22], because of their extensive applications in catalysts, cathode materials for reversible lithium-ion batteries, gas sensors, electrochemical and optical devices, intelligent thermochromic windows, etc. Among them, vanadium oxide hydrate V 3 O 7 Á H 2 O has stimulated great interest because it can be used as the cathode materials in lithium-ion batteries [20,23,24].…”

Section: Introductionmentioning

confidence: 99%

Facile hydrothermal synthesis of vanadium oxides nanobelts by ethanol reduction of peroxovanadium complexes

Zhang

Chen

et al. 2013

Ceramics International

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“…The synthesis of V 3 O 7 ⋅H 2 O and V 3 O 7 ⋅H 2 O@C was based on previous reports (Zhang et al 2010(Zhang et al , 2011a. For the preparation of a-CNTs, V 3 O 7 ⋅H 2 O@C was first heated in a tube furnace with 5 °C/min heating rate under a flow of argon (99⋅999%) gas at a given temperature for a given time.…”

Section: Methodsmentioning

confidence: 99%

Designed synthesis of tunable amorphous carbon nanotubes (a-CNTs) by a novel route and their oxidation resistance properties

Zhang

et al. 2014

Bull Mater Sci

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Tunable amorphous carbon nanotubes (a-CNTs) were successfully synthesized using V 3 O 7 ⋅H 2 O and glucose solution as the starting materials by a novel route for the first time. The as-obtained samples were separately characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD), energy-dispersive spectrometer (EDS), elemental analysis (EA), Fourier transform infrared spectroscopy (FT-IR) and Raman spectrum. The results showed that the as-obtained a-CNTs had uniform diameters with outer diameter ranging from 140 to 250 nm and inner diameter about 28 nm on an average, and their length was up to several micrometres. No VO x residues remaining in a-CNTs showed the as-obtained a-CNTs with high purity. The as-prepared a-CNTs were a kind of hydrogenated a-CNTs containing both the sp 3 -and sp 2 -type carbons. Furthermore, the thermal stability of the as-obtained a-CNTs in the air atmosphere were investigated by thermo-gravimetric/differential thermal analyser (TG-DTA), revealing that the as-obtained a-CNTs had good thermal stability and oxidation resistance below 300 °C in air.

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Hydrothermal synthesis, characterization, formation mechanism and electrochemical property of V3O7·H2O single-crystal nanobelts

Cited by 88 publications

References 51 publications

VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties

VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties

Facile hydrothermal synthesis of vanadium oxides nanobelts by ethanol reduction of peroxovanadium complexes

Designed synthesis of tunable amorphous carbon nanotubes (a-CNTs) by a novel route and their oxidation resistance properties

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Hydrothermal synthesis, characterization, formation mechanism and electrochemical property of V3O7·H2O single-crystal nanobelts

Cited by 88 publications

References 51 publications

VO2(B) conversion to VO2(A) and VO2(M) and their oxidation resistance and optical switching properties

VO2(B) conversion to VO2(A) and VO2(M) and their oxidation resistance and optical switching properties

Facile hydrothermal synthesis of vanadium oxides nanobelts by ethanol reduction of peroxovanadium complexes

Designed synthesis of tunable amorphous carbon nanotubes (a-CNTs) by a novel route and their oxidation resistance properties

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VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties

VO₂(B) conversion to VO₂(A) and VO₂(M) and their oxidation resistance and optical switching properties