alexa Photocatalytic Activity Of N-doped TiO2 Produced By Sol-gel Method And Anodizing Method In Degradation Of RO-16
ISSN: 2157-7439

Journal of Nanomedicine & Nanotechnology
Open Access

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4th International Conference on Nanotek & Expo
December 01-03, 2014 DoubleTree by Hilton Hotel San Francisco Airport, USA

Navid Zanganeh, Farbod Sharif , Hafez Balavi, Mahla Zabet and MarziehBakhtiary Noodeh
Posters: J Nanomed Nanotechnol
DOI: 10.4172/2157-7439.S1.018
Abstract
In this work we introduce Plasma nitriding as an effective method to enhance the photocatalytic activity of the TiO2. TiO2 synthesis was done by the sol-gel and anodizing methods separately. The plasma nitriding of TiO2 was carried out at temperatures ranging from 400?C to 600?C with different N2?H2 gas mixtures and treatment times. In order to investigate N-doped TiO2 characterization, some tests such as XRD, UV-Vis spectroscopy, SPM, XPS, SEM, and EDX were used. EDX and XPS results prove nitrogen penetration into TiO2 structure. The sample prepared by the sol-gel method on a glass substrate has lower activity than non-doped one after nitriding due to silicon penetration and agglomeration phenomena. The N-doped TiO2 nano tubes showed better photocatalytic activity in degradation of RO-16. The nitridation treatment leads to significant effects on visible photoresponse and also the photocatalytic activity of anodized films. In addition, the sample which was nitrided in 450?C and then anodized has the most efficiency between other samples according to photocatalytic degradation test.
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