A visible light driven doped TiO۲ nanophotocatalyst: Preparation and characterization

A useful nanophotocatalyst (La,S-TiO2) was prepared by a sol-gel method and characterized by UV–vis diffuse reflectance spectroscopy (DRS), X-ray diffraction (XRD), photoluminescence emission spectroscopy (PL) and scanning electron microscopy (FESEM). The results showed that the La,S-TiO2, which calcined at 550 °C, contained only anatase phaseand its crystal size was 23 nm. In addition, the FESEM analysis indicates that the La,S-TiO2 nano particles with diameter of 20 to 25 nm could have a good dispersion in solution. In order to evaluate of activity of the modified synthesized photocatalyst (La,S-TiO2), comparison between modified synthesized TiO2 (La,S-TiO2) and pure synthesized TiO2 for degradation of Methyl Orange was investigated. It was found that the modified synthesized photocatalysis (La,S-TiO2) has much higher photocatalytic activity than undoped TiO2 for the degradation of contamination.

A visible light driven doped TiO2 nanophotocatalyst: Preparation and characterization Keywords:

Nanophotocatalyst , La , S-TiO2 , Methyl orange , Contamination , Synthesized , Sol-gel Method

A visible light driven doped TiO2 nanophotocatalyst: Preparation and characterization authors

S. M. E. Zakeri

Separation Processes Research Group (SPRG), Department of Engineering, University of Kashan, Kashan, Iran.

M. Asghari

Energy Research Institute, University of Kashan, Ghotb-e-Ravandi Ave., Kashan, Iran.

M. Feilizadeh

Chemical and petroleum Engineering Deportment, Sharif University of Technology, Tehran, Iran.

M. Vosoughi

Chemical and petroleum Engineering Deportment, Sharif University of Technology, Tehran, Iran.

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https://civilica.com/doc/1483200

Document National Code:

JR_IJND-5-4_003

Index date: 14 July 2022

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Zakeri, S. M. E. and Asghari, M. and Feilizadeh, M. and Vosoughi, M.,1393,A visible light driven doped TiO2 nanophotocatalyst: Preparation and characterization,https://civilica.com/doc/1483200

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Type of center: دانشگاه دولتی

Paper count: 10,567

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