Evaluation of Pure and Ag-Doped Tio2 Films in the Photocatalytic Activity of Phenol

1
Sonia M. A. Jorge
Sonia M. A. Jorge
2
Adriana B. Araujo
Adriana B. Araujo
3
Pedro M. Padilha
Pedro M. Padilha
4
Doroteia F. Bozano
Doroteia F. Bozano
5
Gustavo R. Castro
Gustavo R. Castro
6
Ariovaldo O. Florentino
Ariovaldo O. Florentino
1 Unesp

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Pure TiO 2 films, modified by the addition of Degussa P25 powder and Ag-doped were synthesized using sol-gel route and immobilized in borosilicate support at different withdrawing rates and dipping time. They were characterized by X-ray diffractometry, scanning electronic microscopy and high-resolution field-emission gun scanning electronic microscopy. Their photocatalytic activities under UV irradiation were examined using phenol. The higher activities were achieved through the Ag-doped films deposited with 0.4 mm s -1 and two dipping. Approximately 90% of the organic contaminant was photodegradated after 24 h of irradiation.

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Not applicable for this article.

Sonia M. A. Jorge. 2015. \u201cEvaluation of Pure and Ag-Doped Tio2 Films in the Photocatalytic Activity of Phenol\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 15 (GJSFR Volume 15 Issue B2): .

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GJSFR Volume 15 Issue B2
Pg. 17- 23
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-B Classification: FOR Code: 259999
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v1.2

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April 25, 2015

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English

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Pure TiO 2 films, modified by the addition of Degussa P25 powder and Ag-doped were synthesized using sol-gel route and immobilized in borosilicate support at different withdrawing rates and dipping time. They were characterized by X-ray diffractometry, scanning electronic microscopy and high-resolution field-emission gun scanning electronic microscopy. Their photocatalytic activities under UV irradiation were examined using phenol. The higher activities were achieved through the Ag-doped films deposited with 0.4 mm s -1 and two dipping. Approximately 90% of the organic contaminant was photodegradated after 24 h of irradiation.

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Evaluation of Pure and Ag-Doped Tio2 Films in the Photocatalytic Activity of Phenol

Adriana B. Araujo
Adriana B. Araujo
Sonia M. A. Jorge
Sonia M. A. Jorge Unesp
Pedro M. Padilha
Pedro M. Padilha
Doroteia F. Bozano
Doroteia F. Bozano
Gustavo R. Castro
Gustavo R. Castro
Ariovaldo O. Florentino
Ariovaldo O. Florentino

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