Vanadium oxide-based photochromic composite film

Miyazaki, Hitoshi; Matsuura, Takahiro; Ota, Toshitaka

doi:10.1039/c6ra25892a

Cited by 28 publications

(15 citation statements)

References 18 publications

(18 reference statements)

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“…Recent reports also reveal that vanadium compounds can be fatal in many cases and therefore such applications should be carried out under extreme precautions along with unfailing protections . V 2 O 5 is a versatile material and also find extensive applications in chemical sensing, electro‐chromic and optical switching devices . V 2 O 5 in various forms as well as its nanocomposites are at present being widely employed as intercalation material in rechargeable batteries with mono/multivalent ions such as Li + , Na + , Mg 2+ ions, etc ,…”

Section: Introductionmentioning

confidence: 99%

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications

Majumdar¹,

2019

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Vanadium pentoxide (V 2 O 5 ) is renowned among the highly efficient supercapacitor electrode-materials for high power and energy densities, excellent specific capacitance, prolonged cycle lives, variable oxidation states of V, reversible nature of interconversions, theoretical importance, etc. Various synthetic methodologies and morphologies, formation of composites, and doping for tuning properties are the additional causes of interest. Different synthetic techniques like sol-gel, solvothermal, electro-deposition, electro-spinning, atomic layer deposition, etc. are employed to prepare V 2 O 5 -based electrode materials with merits and demerits. High rate of material agglomeration and poor conductivity limit its usage in pristine morphology. Accordingly, the impact on charge storage behavior of V 2 O 5 on blending with various carbon-based systems has been explored for materials like activated carbons, conducting polymers, carbon nanotubes and functionalized graphene systems as binary/ternary composites. The aim has been to optimize the key factors such as reduced nanostructure lumping, minimal interfacial resistance and ultrafast charge diffusion across hollow porous structures which may eventually lead to the theoretically expected high specific capacitance (> 1000 F g À 1 ). In this review, we have discussed on the recent progress in the research of V 2 O 5 -based materials and highlighted on the correlation between morphology and electrochemical performances. In the course, we have attempted to delineate the advantage-disadvantages of different composite morphologies that may help to outline the present status and future aspects of these materials that the authors believe will be of first-hand assistance especially to the beginners in the field of research.

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Section: Introductionmentioning

confidence: 99%

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications

Majumdar¹,

2019

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“…60–80 nm exhibited photochromic change from yellow to green to pale blue. [ 205 ] The film was fabricated by mixing V powder with aq. H 2 O 2 solution dried then placed in a bath to obtain V‐IPA powder.…”

Section: Photochromic Applications Of Oxides and Hybrid Materials In Uv Sensingmentioning

confidence: 99%

UV Photochromism in Transition Metal Oxides and Hybrid Materials

Kayani

Kuriakose

Monshipouri

et al. 2021

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Limited levels of UV exposure can be beneficial to the human body. However, the UV radiation present in the atmosphere can be damaging if levels of exposure exceed safe limits which depend on the individual the skin color. Hence, UV photochromic materials that respond to UV light by changing their color are powerful tools to sense radiation safety limits. Photochromic materials comprise either organic materials, inorganic transition metal oxides, or a hybrid combination of both. The photochromic behavior largely relies on charge transfer mechanisms and electronic band structures. These factors can be influenced by the structure and morphology, fabrication, composition, hybridization, and preparation of the photochromic materials, among others. Significant challenges are involved in realizing rapid photochromic change, which is repeatable, reversible with low fatigue, and behaving according to the desired application requirements. These challenges also relate to finding the right synergy between the photochromic materials used, the environment it is being used for, and the objectives that need to be achieved. In this review, the principles and applications of photochromic processes for transition metal oxides and hybrid materials, photocatalytic applications, and the outlook in the context of commercialized sensors in this field are presented.

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“…These nanocomposites were used to improve sensing properties. Xiaobing et al [597] reported and their time dependence of the transmittance when coloring and bleaching [592]; (e) Schematic, SEM image and Nyquist plots of the carbon nanotube/V2O5 electrodes used in biosensing application [597].…”

Section: Vanadium Oxidementioning

confidence: 99%

“…Reproduced with permission of Elsevier (2018) [587], [589] and [597]; ACS publishing "Copyright (2018) American Chemical Society" [591]; and Royal Society of Chemistry (2018) [592].…”

Section: Vanadium Oxidementioning

confidence: 99%

Metal oxide nanostructures for sensor applications

Nunes

Pimentel

Gonçalves

et al. 2019

Semicond. Sci. Technol.

237

119

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Human health, environmental protection and safety are just a few examples of current humankind main concerns, that drive the scientific community to develop sensors able to precisely monitor and alert to possible harms in real time. Over the years, semiconductor metal oxide-based materials have been largely employed as sensors dedicated to several applications, being particularly interesting at the nanometer scale, since it is largely known that smaller crystallite size enhances sensor's performance. Moreover, these materials are highly appealing as they can be produced by low-cost wet-chemical synthesis routes and are in general nontoxic, earth abundant and low-cost. This manuscript extensively reviews the recent developments of nanostructured semiconductor metal oxide sensors ranging from gas to humidity sensors, including ultraviolet (UV) sensors and biosensors. Zinc oxide (ZnO), titanium dioxide (TiO2), tungsten trioxide (WO3), copper oxide (CuO and Cu2O), tin oxide (SnO and SnO2), and vanadium oxide (VO2, V2O5)-based sensors either as nanoparticles or as continuous films/layers are described. Their sensing properties are correlated to size, shape, presence of defects, doping elements, amongst other relevant parameters. Different techniques and methods of fabricating these materials are addressed. The review is concluded with novel approaches for functionalization and future perspectives for sensor developments.

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Vanadium oxide-based photochromic composite film

Abstract: V2O5-based composite films were fabricated using peroxo-iso-poly vanadic acid as the filler and transparent urethane resin as the matrix, and the resulting composite films exhibited photochromic property when irradiated with ultraviolet (UV) light.

Cited by 28 publications

References 18 publications

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications

UV Photochromism in Transition Metal Oxides and Hybrid Materials

Metal oxide nanostructures for sensor applications

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Vanadium oxide-based photochromic composite film

Abstract: V2O5-based composite films were fabricated using peroxo-iso-poly vanadic acid as the filler and transparent urethane resin as the matrix, and the resulting composite films exhibited photochromic property when irradiated with ultraviolet (UV) light.

Cited by 28 publications

References 18 publications

V2O5 and its Carbon‐Based Nanocomposites for Supercapacitor Applications

V2O5 and its Carbon‐Based Nanocomposites for Supercapacitor Applications

UV Photochromism in Transition Metal Oxides and Hybrid Materials

Metal oxide nanostructures for sensor applications

Contact Info

Product

Resources

About

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications

V₂O₅ and its Carbon‐Based Nanocomposites for Supercapacitor Applications