Investigations on SnO2–TiO2 composite photoelectrodes for corrosion protection

Subasri, R.; Shinohara, Tadashi

doi:10.1016/j.elecom.2003.08.016

Cited by 117 publications

(56 citation statements)

References 18 publications

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“…By putting these materials in one device, solar energy can be converted to electric power and used effectively 24 h a day. One example is the continuous photocathodic protection of steel structures from corrosion [49,50]. During daytime, the photoelectrochemical function makes the electrode potential less noble, exerting cathodic protection of the metal substrate and charge electrons into storage.…”

Section: Oxidesmentioning

confidence: 99%

Warm spraying—a novel coating process based on high-velocity impact of solid particles

Katayama

Kawakita

Watanabe

et al. 2008

Science and Technology of Advanced Materials

153

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In recent years, coating processes based on the impact of high-velocity solid particles such as cold spraying and aerosol deposition have been developed and attracting much industrial attention. A novel coating process called 'warm spraying' has been developed, in which coatings are formed by the high-velocity impact of solid powder particles heated to appropriate temperatures below the melting point of the powder material. The advantages of such process are as follows: (1) the critical velocity needed to form a coating can be significantly lowered by heating, (2) the degradation of feedstock powder such as oxidation can be significantly controlled compared with conventional thermal spraying where powder is molten, and (3) various coating structures can be realized from porous to dense ones by controlling the temperature and velocity of the particles. The principles and characteristics of this new process are discussed in light of other existing spray processes such as high-velocity oxy-fuel spraying and cold spraying. The gas dynamics of particle heating and acceleration by the spraying apparatus as well as the high-velocity impact phenomena of powder particles are discussed in detail. Several examples of depositing heat sensitive materials such as titanium, metallic glass, WC-Co cermet and polymers are described with potential industrial applications.

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Section: Oxidesmentioning

confidence: 99%

Warm spraying—a novel coating process based on high-velocity impact of solid particles

Katayama

Kawakita

Watanabe

et al. 2008

Science and Technology of Advanced Materials

153

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“…According to the literature [40], TiO 2 is known to form a p-n junction with NiO. Ni(OH) 2 is also reported to be a p-type semiconductor similar to NiO [30]. Hence, it is possible that a p-n junction forms at the TiO 2 /Ni(OH) 2 interface.…”

Section: Oxidized Energy Storage In Tio 2 /Ni(oh) 2 Composite Systemmentioning

confidence: 99%

“…The energy can be stored either in reduced WO 3 ，MoO 3 ，PWA or in oxidized Ni(OH) 2 under UV light. In 2003, Raghavan et al [30] showed that SnO 2 coupled with TiO 2 can store reductive energy generated on UV illumination of TiO 2 , which enables the continued cathodic protection effect under dark conditions. In 2008, Yasomanee et al [31] reported that TiO 2 /Cu 2 O composite films showed a multi-electron storage ability under UV-vis irradiation.…”

Section: Survey Of Bifunctional Tio 2 Composite Materialsmentioning

confidence: 99%

Energy Storage in Bifunctional TiO2 Composite Materials under UV and Visible Light

Xiong

Li²,

2009

Energies

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Abstract:This paper provides an overview of recent studies on energy storage in bifunctional TiO 2 composite materials under UV and visible light. The working mechanism, property improvements and applications of these bifunctional TiO 2 composite systems are introduced, respectively. The latest results obtained in our laboratory, especially a new process for photoelectric conversion and energy storage in TiO 2 /Cu 2 O bilayer films under visible light, are also presented. Hopefully this review will stimulate more fundamental and applied research on this subject in the future.

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“…When these two materials are coupled, it is expected that the photogenerated electrons from TiO 2 will be transferred to SnO 2 [10]. Many investigations have found that when these two oxides are coupled by suitable preparation methods, one can optimize their gas sensing or tune other properties required for various applications [4,5,9,[11][12][13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, research has focused on the synthesis of Ti 1-x Sn x O 2 compounds with the rutile-type structure over the entire range of solid solubility above 1450 °C [13]. These oxides have been prepared in various forms using several methods including sol-gel reactions, co-precipitation, solid-state reactions, and sputtering [8,9,[11][12][13][14][15][16][17][18][19][20][21]. Since anatase phase TiO 2 exhibits substantially higher photoactivity than the rutile phase, it is desirable to synthesize Ti 1-x Sn x O 2 in the anatase phase.…”

Section: Introductionmentioning

confidence: 99%

Stabilization of the anatase phase of Ti1−xSnxO2 (x < 0.5) nanofibers

et al. 2010

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We experimentally investigate the stabilization of the anatase phase of Ti 1-x Sn x O 2 (x < 0.5) nanofibers when synthesized by an electrospinning method. The as-spun nanofibers became nano-grained, polycrystalline nanofibers after calcination and the diameters of the nanofibers depend on Sn content. Stabilization of the anatase phase in Ti-rich compositions and incorporation of Sn ions were confirmed by X-ray diffraction, Raman, X-ray absorption near-edge structure, and photoluminescence (PL) spectroscopies. Results from the PL study also demonstrated the tunable nature of the optical properties, with the emission maximum shifting towards higher wavelength with increasing Sn concentration.

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Investigations on SnO2–TiO2 composite photoelectrodes for corrosion protection

Cited by 117 publications

References 18 publications

Warm spraying—a novel coating process based on high-velocity impact of solid particles

Warm spraying—a novel coating process based on high-velocity impact of solid particles

Energy Storage in Bifunctional TiO2 Composite Materials under UV and Visible Light

Stabilization of the anatase phase of Ti1−xSnxO2 (x < 0.5) nanofibers

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