Preparation and electrochemical properties of V2O5 submicron-belts synthesized by a sol–gel H2O2 route

Ren, Xiangzhong; Jiang, Yingkai; Zhang, Peixin; Liu, Jianhong; Zhang, Qianling

doi:10.1007/s10971-009-2002-6

Cited by 33 publications

(20 citation statements)

References 14 publications

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“…Condensation via olation progressively decreases. Depending on the experimental conditions (pH and temperature) this leads to the formation of nanowires [42,43,44,45], nanofibres [46,47], nanoribbons [48], nanorods [49,50,51,52,53], nanobelts [54,55,56,57,58,59,60,61,62] and nanosheets [63]. …”

Section: Nanostructured Vanadium Oxidesmentioning

confidence: 99%

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

2010

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A wide range of vanadium oxides have been obtained via the hydrothermal treatment of aqueous V(V) solutions. They exhibit a large variety of nanostructures ranging from molecular clusters to 1D and 2D layered compounds. Nanotubes are obtained via a self-rolling process while amazing morphologies such as nano-spheres, nano-flowers and even nano-urchins are formed via the self-assembling of nano-particles. This paper provides some correlation between the molecular structure of precursors in the solution and the nanostructure of the solid phases obtained by hydrothermal treatment.

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Section: Nanostructured Vanadium Oxidesmentioning

confidence: 99%

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

2010

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“…Such methods include electrospinning [13,14], polyol [15] and urea combustion [16], and soft-chemical synthesis under milder temperature conditions including a solid-gel process [17], hydrothermal process [18,19], and hydrolysis [20]. The recently developed urea combustion method yielded 320 mAh g −1 and 70% capacity retention after 50 cycles at 0.1 C [16].…”

Section: Introductionmentioning

confidence: 99%

A new chemical route for the synthesis of β′-Li V2O5 for use as a high performance cathode

Asl

Kim

Lee

et al. 2013

Electrochimica Acta

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“…The mechanism of reaction is given in reactions (A) and (B) following Ren et al [32]. This yellow solution was then heated at 60 0 C with continuous stirring to evolve excess oxygen by decomposition of H 2 O 2 .…”

Section: Methodsmentioning

confidence: 99%

Role of substrate effects on the morphological, structural, electrical and thermoelectrical properties of V₂O₅thin films

2015

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Present work focuses on the influence of different substrates on the morphological, compositional, phase purity, structural and transport properties of vanadium pentaoxide (V 2 O 5 ) thin films. Thin films of V 2 O 5 were fabricated on different substrates: glass, quartz, Si, and alumina, (hereafter these films are refereed as V 2 O 5 :G, V 2 O 5 :Q, V 2 O 5 :Si and V 2 O 5 :A respectively), using inorganic sol gel with V 2 O 5 power and hydrogen peroxide (H 2 O 2 ) as precursors by spin coater. Films deposited on glass substrates were found to be amorphous in nature with smooth surfaces, whereas films deposited on quartz, silicon, and alumina substrates exhibited polycrystalline nature having orthorhombic structure with space group Pmmn. The crystallinity improves from quartz to silicon and best crystalline films were fabricated on alumina. Electrical measurements as a function of temperature and substrate are investigated and characterized by measuring the resistivity, Hall and Seebeck coefficients. Negative values of Hall and Seebeck coefficients reveal that all the films are of n-type semiconductors. Electrical resistivity as well as charge carrier density decreases from the films on glass to quartz to silicon and to alumina. Carrier mobility decreases in the following order V 2 O 5 :G > V 2 O 5 :A >V 2 O 5 :Si> V 2 O 5 :Q, where as Seebeck coefficient varies in the reverse order. Variation of these transport parameters has been understood on the basis of scattering and trapping of charge carriers along the grain boundaries. Further a model based on thermodynamics is proposed to explain the effect of substrates on crystallinity of thin films. Interactions between sol and substrate (adhesive forces) are determined by the thickness, phase purity, structural and morphological properties of thin films. As the magnitude of adhesive forces increases, both film thickness as well as crystallinity increases.

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Preparation and electrochemical properties of V2O5 submicron-belts synthesized by a sol–gel H2O2 route

Cited by 33 publications

References 14 publications

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

A new chemical route for the synthesis of β′-Li V2O5 for use as a high performance cathode

Role of substrate effects on the morphological, structural, electrical and thermoelectrical properties of V₂O₅thin films

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Preparation and electrochemical properties of V2O5 submicron-belts synthesized by a sol–gel H2O2 route

Cited by 33 publications

References 14 publications

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

Hydrothermal Synthesis of Nanostructured Vanadium Oxides

A new chemical route for the synthesis of β′-Li V2O5 for use as a high performance cathode

Role of substrate effects on the morphological, structural, electrical and thermoelectrical properties of V2O5thin films

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Product

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Role of substrate effects on the morphological, structural, electrical and thermoelectrical properties of V₂O₅thin films