Hot-wire chemical vapor deposition of WO3−x thin films of various oxygen contents

Houweling, Z.S.; Geus, J.W.; Schropp, R.E.I.

doi:10.1016/j.matchemphys.2013.02.072

Cited by 22 publications

(7 citation statements)

References 58 publications

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“…Recently, the researchers have proposed many strategies for the fabrication of WO 3 thin film [88], such as sputtering deposition [89][90][91][92], aerosol-assisted chemical vapor deposition [93,94], sol-gel spin-coating [95,96], hydrothermal-assisted growth [97,98], and surfactant-assisted spray pyrolysis [99,100]. Many works focused on the photocatalytic efficiency of WO 3 , especially the studying of WO 3 thin film as a photocatalyst in the visible region [84,101].…”

Section: Supported Wo 3 Photocatalystsmentioning

confidence: 99%

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Tan¹

2021

Photophysics, Photochemical and Substitution Reactions - Recent Advances

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Recently, nanosized metal oxides play an essential role in the photocatalytic system due to their ability to create charge carriers during the light irradiation. Metal oxide nanoparticles display excellent light absorption properties, outstanding charge transport characteristics, which are suitable in the photocatalytic system for the treatment of wastewater. Most of the photocatalysts found in the literature are in the form of powders. Only a few supported photocatalytic systems have been reported. The advantages of supported photocatalysts, such as that they produce a small pressure drop, have good mechanical stability and are easily separated from the reaction medium, make them superior to conventional powder photocatalysts. In this chapter, the definition of supported-metal oxide nanoparticles as the photocatalyst and their synthesis methodology are detailed discussed.

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Section: Supported Wo 3 Photocatalystsmentioning

confidence: 99%

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Tan¹

2021

Photophysics, Photochemical and Substitution Reactions - Recent Advances

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“…When the flux of WO 3 − x vapor species to the substrate is stopped, the growth of the α-W structures, in this case nanorod stems, also stops. By exposing the heated α-W surfaces to an air flow, superstructures of WO 3 − x nanorods form on the surface [20,32]. By prolonging the exposure of the sample to the air flow the nanorod stems are also fully oxidized; Fig.…”

Section: Synthesis Route #1-homogeneous W 24 O 68 /W 24 O 68 Nanocactmentioning

confidence: 99%

Hetero- and homogeneous three-dimensional hierarchical tungsten oxide nanostructures by hot-wire chemical vapor deposition

et al. 2015

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“…It is not unusual for WO 3 thin films to be prepared sub-stoichiometric [22], and the aim of this research was to aim for deposition conditions that would make films slightly substoichiometric but that could achieve full stoichiometry with small adjustment of the oxygen pressure. Detail of the photoemission from the tungsten 4f states is shown in the inset to Figure 1.…”

Section: Film Composition and Thicknessmentioning

confidence: 99%

Orientationally textured thin films of WO_xdeposited by pulsed laser deposition

Caruana

Cropper

2014

Mater. Res. Express

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Pulsed laser deposition from a compound target in an oxygen atmosphere has been used to produce sub-stoichiometric WO x films of 30 nm thickness on Si(100) and SrTiO 3 (100)substrates. The growth temperature was 500°C and the pressure of the O 2 background was 2.5×10 -2 mbar. The films have been assessed using X-ray photoelectron spectroscopy, X-ray reflectivity, X-ray diffraction and scanning electron microscopy. The chemical shift of the tungsten 4f states showed that the tungsten was close to fully oxidised. X-ray reflectivity measurements and scanning electron micrographs showed the films on SrTiO 3 (100) to be much smoother than those on Si(100) which were granular. X-ray diffraction in the BraggBrentano geometry combined with texture analysis showed that the films were textured with indicate that the mechanism for the difference is the overall deposition rate, which is affected by fluence. On Si(100) the films were rougher and exhibited only uniaxial texture.Caruana and Cropper, PLD of WO 3 2

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Hot-wire chemical vapor deposition of WO3−x thin films of various oxygen contents

Cited by 22 publications

References 58 publications

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Hetero- and homogeneous three-dimensional hierarchical tungsten oxide nanostructures by hot-wire chemical vapor deposition

Orientationally textured thin films of WO_xdeposited by pulsed laser deposition

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Hot-wire chemical vapor deposition of WO3−x thin films of various oxygen contents

Cited by 22 publications

References 58 publications

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Supported-Metal Oxide Nanoparticles-Potential Photocatalysts

Hetero- and homogeneous three-dimensional hierarchical tungsten oxide nanostructures by hot-wire chemical vapor deposition

Orientationally textured thin films of WOxdeposited by pulsed laser deposition

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Product

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Orientationally textured thin films of WO_xdeposited by pulsed laser deposition