Titanium dioxide nanotubes/calcium silicate composite coatings prepared by alternative loop immersion method

Li, Ping; Xie, Chiyu; Liu, Jia; Wang, Zhang; Xiao, Xiufeng

doi:10.1016/j.surfcoat.2014.08.026

Surface and Coatings Technology

2014

DOI: 10.1016/j.surfcoat.2014.08.026

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Titanium dioxide nanotubes/calcium silicate composite coatings prepared by alternative loop immersion method

Ping Li

Chiyu Xie

Jia Liu

et al.

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Cited by 8 publications

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“…It is assumed that TiO 2 small nanoparticles are physically adsorbed onto the PCS and SCS via the Van der Waals forces among particles and the interaction between Ti-OH and Mi-OH (M = Ca, Si and Al etc.) species on the support surfaces[20][21][22][23].…”

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confidence: 99%

The fabrication of TiO2 supported on slag-made calcium silicate as low-cost photocatalyst with high adsorption ability for the degradation of dye pollutants in water

Shi

Kuwahara

et al. 2017

Catalysis Today

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In this work, a composite photocatalyst of TiO 2 supported on the slag-made calcium silicate (TiO 2 /SCS) was synthesized by employing a facile mixing process and using blast furnace slag as a low-cost and abundant precursor of SCS. The characterization results revealed that the open framework structure of SCS was covered by well-dispersed TiO 2 nanoparticle aggregates, indicating the close combination of titania and calcium silicate in the TiO 2 /SCS photocatalyst. Higher specific surface areas could be obtained for TiO 2 /PCS and TiO 2 /SCS composites, indicating their better adsorption capabilities than that of bare TiO 2. The degradation of methylene blue (MB) by TiO 2 , TiO 2 /PCS and TiO 2 /SCS composites with different weight percentages of titania was carried out under UV-light irradiation to systematically investigate their photocatalytic activities, and the TiO 2 content of 60 wt% (TiO 2-60/SCS) was found to be the best one to achieve the maximum rate of MB degradation, which may be due to the high specific surface area and good adsorption capacity of the composite photocatalysts. The degradation of methyl violet (MV) and methyl orange (MO) dyes indicated that the obtained photocatalysts can effectively adsorb cationic molecules (MB and MV) but have little absorption toward negatively charged molecules (MO), which play a key role in the subsequent photocatalytic degradation of dye pollutants.

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mentioning

confidence: 99%

The fabrication of TiO2 supported on slag-made calcium silicate as low-cost photocatalyst with high adsorption ability for the degradation of dye pollutants in water

Shi

Kuwahara

et al. 2017

Catalysis Today

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Microstructural and in-vitro characteristics of functional calcium silicate topcoat on hydroxyapatite coating for bio-implant applications

2022

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Nanotube-formed Ti substrates coated with silicate/silver co-doped hydroxyapatite as prospective materials for bone implants

Huang

Zhang

et al. 2017

Journal of Alloys and Compounds

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Titanium dioxide nanotubes/calcium silicate composite coatings prepared by alternative loop immersion method

Cited by 8 publications

References 37 publications

The fabrication of TiO2 supported on slag-made calcium silicate as low-cost photocatalyst with high adsorption ability for the degradation of dye pollutants in water

The fabrication of TiO2 supported on slag-made calcium silicate as low-cost photocatalyst with high adsorption ability for the degradation of dye pollutants in water

Microstructural and in-vitro characteristics of functional calcium silicate topcoat on hydroxyapatite coating for bio-implant applications

Nanotube-formed Ti substrates coated with silicate/silver co-doped hydroxyapatite as prospective materials for bone implants

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