Photocatalytic activity of Zn2SnO4 coating deposited by air plasma spraying

Navidpour, Amir Hossein; Fakhrzad, M.

doi:10.1016/j.apsadv.2021.100153

Cited by 9 publications

(2 citation statements)

References 40 publications

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“…Different methods have been used for the degradation of organic pollutants in water, including sonochemical degradation [3,4], advanced oxidation process (AOP) [5][6][7][8][9][10], adsorption [11,12], micellar-enhanced ultrafiltration (MEUF) [13,14], electrochemical oxidation (EO) [15,16], precipitation [17], coagulation [17,18], biodegradation [19], ion exchange [20,21] and forward/reverse osmosis [22,23]. It is notable that each of these processes has advantages and disadvantages.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Advanced Oxidation Process in the Presence of TiO2 Semiconductor as Photocatalyst: Property, Principle, Kinetic Analysis, and Photocatalytic Activity

Navidpour

Abbasi

et al. 2023

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Water pollution is considered a serious threat to human life. An advanced oxidation process in the presence of semiconductor photocatalysts is a popular method for the effective decomposition of organic pollutants from wastewater. TiO2 nanoparticles are widely used as photocatalysts due to their low cost, chemical stability, environmental compatibility and significant efficiency. The aim of this study is to review the photocatalytic processes and their mechanism, reaction kinetics, optical and electrical properties of semiconductors and unique characteristics of titanium as the most widely used photocatalyst; and to compare the photocatalytic activity between different titania phases (anatase, rutile, and brookite) and between colorful and white TiO2 nanoparticles. Photocatalytic processes are based on the creation of electron–hole pairs. Therefore, increasing stability and separation of charge carriers could improve the photocatalytic activity. The synthesis method has a significant effect on the intensity of photocatalytic activity. The increase in the density of surface hydroxyls as well as the significant mobility of the electron–hole pairs in the anatase phase increases its photocatalytic activity compared to other phases. Electronic and structural changes lead to the synthesis of colored titania with different photocatalytic properties. Among colored titania materials, black TiO2 showed promising photocatalytic activity due to the formation of surface defects including oxygen vacancies, increasing the interaction with the light irradiation and the lifetime of photogenerated electron–hole pairs. Among non-metal elements, nitrogen doping could be effectively used to drive visible light-activated TiO2.

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Section: Introductionmentioning

confidence: 99%

Investigation of Advanced Oxidation Process in the Presence of TiO2 Semiconductor as Photocatalyst: Property, Principle, Kinetic Analysis, and Photocatalytic Activity

Navidpour

Abbasi

et al. 2023

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“…Specifically, conventional thermal spraying processes including plasma, flame, and high velocity oxy-fuel (HVOF) spraying have been used to immobilize ZnO, 12 TiO 2 , 19 SnO 2 , 20 Fe 2 O 3 , 21 ZnFe 2 O 4 , 22 and Zn 2 SnO 4 (ref. 23) for photocatalytic applications. Despite of their advantages, conventional thermal spraying processes could result in phase transformation of the feedstock material, due to the high heat input during spraying, as observed in several cases.…”

Section: Introductionmentioning

confidence: 99%