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International Journal of Environment Science and Technology
Center for Environment and Energy Research and Studies (CEERS)
ISSN: 1735-1472 EISSN: 1735-1472
Vol. 13, No. 3, 2016, pp. 849-856
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Bioline Code: st16081
Full paper language: English
Document type: Research Article
Document available free of charge
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International Journal of Environment Science and Technology, Vol. 13, No. 3, 2016, pp. 849-856
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Study of photocatalytic degradation of environmentally harmful phthalate esters using Ni-doped TiO2 nanoparticles
Singla, P.; Pandey, O. P. & Singh, K.
Abstract
Undoped and Ni-doped TiO2 nanoparticles are
synthesized using sol–gel technique. The physical, structural,
optical and thermal properties of the samples are investigated
using X-ray powder diffraction, Fourier transform infrared
spectroscopy, transmittance electronmicroscopy,UV–visible
diffuse reflectance and thermogravimetric analysis. The
photocatalytic activity of the samples is investigated by the
photocatalytic degradation of phthalate esters. Phthalate esters
have been considered as endocrine disrupting compounds. Nidoped
TiO2 samples show better photocatalytic activity as
compared to undoped TiO2 sample. The greater photocatalytic
activity of doped samples as compared to undoped TiO2
can be attributed to the production of more number of electron–
hole pairs in doped samples.
Keywords
Sol–gel process; X-ray methods; Optical properties; TiO2; Photocatalytic activity
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