TY - JOUR
T1 - Photocatalytic degradation of phenol by iodine doped tin oxide nanoparticles under UV and sunlight irradiation
AU - Al-Hamdi, Abdullah M.
AU - Sillanpää, Mika
AU - Dutta, Joydeep
N1 - Publisher Copyright:
© 2014 Elsevier B.V. All rights reserved.
PY - 2015/1/5
Y1 - 2015/1/5
N2 - Iodine doped tin oxide (SnO2:I) nanoparticles were prepared by sol-gel synthesis and their photocatalytic activities with phenol as a test contaminant were studied. In the presence of the catalysts, phenol degradation under direct sunlight was comparable to what was achieved under laboratory conditions. Photocatalytic oxidation reactions were studied by varying the catalyst loading, light intensity, illumination time, pH of the reactant and phenol concentration. Upon UV irradiation in the presence of SnO2:I nanoparticles, phenol degrades very rapidly within 30 min, forming carboxylic acid which turns the solution acidic. Phenol degradation rate with 1% iodine doped SnO2nanoparticles is at least an order of magnitude higher compared to the degradation achieved through undoped SnO2nanoparticles under similar illumination conditions.
AB - Iodine doped tin oxide (SnO2:I) nanoparticles were prepared by sol-gel synthesis and their photocatalytic activities with phenol as a test contaminant were studied. In the presence of the catalysts, phenol degradation under direct sunlight was comparable to what was achieved under laboratory conditions. Photocatalytic oxidation reactions were studied by varying the catalyst loading, light intensity, illumination time, pH of the reactant and phenol concentration. Upon UV irradiation in the presence of SnO2:I nanoparticles, phenol degrades very rapidly within 30 min, forming carboxylic acid which turns the solution acidic. Phenol degradation rate with 1% iodine doped SnO2nanoparticles is at least an order of magnitude higher compared to the degradation achieved through undoped SnO2nanoparticles under similar illumination conditions.
KW - Nanoparticle
KW - Phenol degradation
KW - Photocatalysis
KW - Tin oxide Sol-gel process
KW - Visible light
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U2 - 10.1016/j.jallcom.2014.08.120
DO - 10.1016/j.jallcom.2014.08.120
M3 - Article
AN - SCOPUS:84907221107
SN - 0925-8388
VL - 618
SP - 366
EP - 371
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
ER -