Co-doped mesoporous titania photocatalysts prepared from a peroxo-titanium complex solution

Article


El Saliby, Ibrahim, Erdei, Laszlo, McDonagh, Andrew, Kim, Jong-Beom, Kim, Jong-Ho and Shon, Ho Kyong. 2014. "Co-doped mesoporous titania photocatalysts prepared from a peroxo-titanium complex solution." Materials Research Bulletin. 49 (1), pp. 7-13. https://doi.org/10.1016/j.materresbull.2013.08.047
Article Title

Co-doped mesoporous titania photocatalysts prepared from a peroxo-titanium complex solution

ERA Journal ID4969
Article CategoryArticle
AuthorsEl Saliby, Ibrahim (Author), Erdei, Laszlo (Author), McDonagh, Andrew (Author), Kim, Jong-Beom (Author), Kim, Jong-Ho (Author) and Shon, Ho Kyong (Author)
Journal TitleMaterials Research Bulletin
Journal Citation49 (1), pp. 7-13
Number of Pages9
Year2014
Place of PublicationUnited Kingdom
ISSN0025-5408
1873-4227
Digital Object Identifier (DOI)https://doi.org/10.1016/j.materresbull.2013.08.047
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0025540813007137
Abstract

In this study, nitrogen doped and nitrogen/silver co-doped TiO2 photocatalsysts were fabricated using a sol-gel method at room temperature. The obtained gels were neutralized, washed with pure water, and calcined at 400 C for 4 h. The photocatalysts were characterized by scanning and transmission electron microscopy, X-ray diffraction, diffuse reflectance spectroscopy, X-ray photoelectron spectroscopy, and BET specific surface area. The results showed that spherical particles with anatase structure were produced after annealing at 400 C. N 1s (400 eV) and Ag 3d (367.3 eV) states indicated that nitrogen doping and silver co-doping were in the form of NO bonds and AgO, respectively. The photocatalytic activity of photocatalysts was investigated using a batch reactor system exposed to artificial solar irradiation. Both nitrogen and silver/nitrogen co-doped materials were effective in the photocatalytic degradation of hexamethyl pararosaniline chloride.

Keywordsoxide; TiO2; transmission electron microscopy; TEM; X-ray diffraction; catalytic properties
ANZSRC Field of Research 2020400410. Wastewater treatment processes
410306. Environmental nanotechnology and nanometrology
340601. Catalysis and mechanisms of reactions
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Byline AffiliationsUniversity of Technology Sydney
Department of Agricultural, Civil and Environmental Engineering
Chonnam National University, Korea
Institution of OriginUniversity of Southern Queensland
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