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Title: Dielectric and photocatalytic properties of sulfur doped TiO{sub 2} nanoparticles prepared by ball milling

Abstract

Graphical abstract: - Highlights: • Designing of visible light responsive photocatalyst utilizing ball milling. • Sulphur used as dopant in commercial TiO{sub 2} P25 at different atomic percentage. • S doping resulted in an intense increase in absorption in the visible light region. • Newly design photocatalyst exhibited excellent photocatalytic performance. • 0.11 at.% S-doped TiO{sub 2} shows 3-times higher activity than that of TiO{sub 2} P25. - Abstract: Sulfur (S) doped commercial TiO{sub 2} P-25 has been achieved by changing the amount of thiourea using ball milling technique. The results of XRD clearly reveal biphasial anatase and rutile mixtures for all prepared samples and doping of S does not change the morphology of the TiO{sub 2}. The optical absorption edge of S-doped TiO{sub 2} was red shifted with indirect bandgap energy of 2.8 eV. The dielectric studies confirm that the dielectric constant of TiO{sub 2} increases after doping, however it becomes more conductive. Newly designed S-doped TiO{sub 2} photocatalysts exhibited excellent photocatalytic performance for the degradation of methylene blue (MB) under visible light. The overall photocatalytic activity of 0.11 at.% S-doped TiO{sub 2} was significantly 3-times higher than that of commercial TiO{sub 2} P-25 and complete degradation of MBmore » has taken place after 90 min of irradiation under visible light while only 35% dye degraded when the reaction has been carried out in the presence of undoped TiO{sub 2}.« less

Authors:
 [1];  [1];  [1];  [1]
  1. Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box 1988, Najran, 11001 (Saudi Arabia)
Publication Date:
OSTI Identifier:
22341778
Resource Type:
Journal Article
Journal Name:
Materials Research Bulletin
Additional Journal Information:
Journal Volume: 48; Journal Issue: 9; Other Information: Copyright (c) 2013 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0025-5408
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ABSORPTION; DIELECTRIC MATERIALS; DOPED MATERIALS; EV RANGE; IRRADIATION; METHYLENE BLUE; NANOPARTICLES; OPTICAL PROPERTIES; PERMITTIVITY; PHOTOCATALYSIS; RUTILE; SULFUR; THIOUREA; TITANIUM OXIDES; X-RAY DIFFRACTION

Citation Formats

Jalalah, Mohammed, Electrical Engineering Department, College of Engineering, Najran University, P.O. Box 1988, Najran, 11001, Faisal, M., Bouzid, Houcine, Department of Physics, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran, 11001, Ismail, Adel A., E-mail: adelali141@yahoo.com, Nanostructured and Nanotechnology Materials Division, Central Metallurgical R and D Institute, CMRDI, P.O. Box 87, Helwan, 11421, Cairo, Chemistry Department, Science and Art at Sharurah, Najran University, Al-Sayari, Saleh A., and Chemistry Department, Science and Art at Sharurah, Najran University. Dielectric and photocatalytic properties of sulfur doped TiO{sub 2} nanoparticles prepared by ball milling. United States: N. p., 2013. Web. doi:10.1016/J.MATERRESBULL.2013.05.023.
Jalalah, Mohammed, Electrical Engineering Department, College of Engineering, Najran University, P.O. Box 1988, Najran, 11001, Faisal, M., Bouzid, Houcine, Department of Physics, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran, 11001, Ismail, Adel A., E-mail: adelali141@yahoo.com, Nanostructured and Nanotechnology Materials Division, Central Metallurgical R and D Institute, CMRDI, P.O. Box 87, Helwan, 11421, Cairo, Chemistry Department, Science and Art at Sharurah, Najran University, Al-Sayari, Saleh A., & Chemistry Department, Science and Art at Sharurah, Najran University. Dielectric and photocatalytic properties of sulfur doped TiO{sub 2} nanoparticles prepared by ball milling. United States. https://doi.org/10.1016/J.MATERRESBULL.2013.05.023
Jalalah, Mohammed, Electrical Engineering Department, College of Engineering, Najran University, P.O. Box 1988, Najran, 11001, Faisal, M., Bouzid, Houcine, Department of Physics, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran, 11001, Ismail, Adel A., E-mail: adelali141@yahoo.com, Nanostructured and Nanotechnology Materials Division, Central Metallurgical R and D Institute, CMRDI, P.O. Box 87, Helwan, 11421, Cairo, Chemistry Department, Science and Art at Sharurah, Najran University, Al-Sayari, Saleh A., and Chemistry Department, Science and Art at Sharurah, Najran University. 2013. "Dielectric and photocatalytic properties of sulfur doped TiO{sub 2} nanoparticles prepared by ball milling". United States. https://doi.org/10.1016/J.MATERRESBULL.2013.05.023.
@article{osti_22341778,
title = {Dielectric and photocatalytic properties of sulfur doped TiO{sub 2} nanoparticles prepared by ball milling},
author = {Jalalah, Mohammed and Electrical Engineering Department, College of Engineering, Najran University, P.O. Box 1988, Najran, 11001 and Faisal, M. and Bouzid, Houcine and Department of Physics, Faculty of Sciences and Arts, Najran University, P.O. Box 1988, Najran, 11001 and Ismail, Adel A., E-mail: adelali141@yahoo.com and Nanostructured and Nanotechnology Materials Division, Central Metallurgical R and D Institute, CMRDI, P.O. Box 87, Helwan, 11421, Cairo and Chemistry Department, Science and Art at Sharurah, Najran University and Al-Sayari, Saleh A. and Chemistry Department, Science and Art at Sharurah, Najran University},
abstractNote = {Graphical abstract: - Highlights: • Designing of visible light responsive photocatalyst utilizing ball milling. • Sulphur used as dopant in commercial TiO{sub 2} P25 at different atomic percentage. • S doping resulted in an intense increase in absorption in the visible light region. • Newly design photocatalyst exhibited excellent photocatalytic performance. • 0.11 at.% S-doped TiO{sub 2} shows 3-times higher activity than that of TiO{sub 2} P25. - Abstract: Sulfur (S) doped commercial TiO{sub 2} P-25 has been achieved by changing the amount of thiourea using ball milling technique. The results of XRD clearly reveal biphasial anatase and rutile mixtures for all prepared samples and doping of S does not change the morphology of the TiO{sub 2}. The optical absorption edge of S-doped TiO{sub 2} was red shifted with indirect bandgap energy of 2.8 eV. The dielectric studies confirm that the dielectric constant of TiO{sub 2} increases after doping, however it becomes more conductive. Newly designed S-doped TiO{sub 2} photocatalysts exhibited excellent photocatalytic performance for the degradation of methylene blue (MB) under visible light. The overall photocatalytic activity of 0.11 at.% S-doped TiO{sub 2} was significantly 3-times higher than that of commercial TiO{sub 2} P-25 and complete degradation of MB has taken place after 90 min of irradiation under visible light while only 35% dye degraded when the reaction has been carried out in the presence of undoped TiO{sub 2}.},
doi = {10.1016/J.MATERRESBULL.2013.05.023},
url = {https://www.osti.gov/biblio/22341778}, journal = {Materials Research Bulletin},
issn = {0025-5408},
number = 9,
volume = 48,
place = {United States},
year = {Sun Sep 01 00:00:00 EDT 2013},
month = {Sun Sep 01 00:00:00 EDT 2013}
}