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<strong>Photocatalytic degradation of crystal violet dye on the surface of Au doped TiO2 nanoparticle</strong>

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Title Statement <strong>Photocatalytic degradation of crystal violet dye on the surface of Au doped TiO2 nanoparticle</strong>
 
Added Entry - Uncontrolled Name BEGUM, TAHSHINA ; DIBRUGARH UNIVERSITY, DIBRUGARH 786004, ASSAM
GOGOI, PRADIP K; DIBRUGARH UNIVERSITY, DIBRUGARH 786004, ASSAM
BORA, UTPAL ; DIBRUGARH UNIVERSITY, DIBRUGARH 786004, ASSAM AND TEZPUR UNIVERSITY, NAPAAM, TEZPUR-784028, ASSAM
UGC, New Delhi for a UGC-BSR (RFSMS) fellowship to Tahshina Begum
 
Uncontrolled Index Term Cationic dye; Crystal violet; TiO2 nanoparticles; UV-visible absorption
 
Summary, etc. The photocatalytic degradation of crystal violet (CV), which is a cationic triphenyl methane dye in aqueous solution has been investigated with colloidal suspension of Au doped TiO<sub>2</sub> under both UV and visible light irradiation and compared with undoped TiO<sub>2</sub>. The degradation has been studied by UV-visible absorption spectroscopy and it is found that Au doped TiO<sub>2</sub> is highly efficient for the dye degradation. Doped and undoped titanium dioxide (TiO<sub>2</sub>) nanoparticles have been prepared as a colloidal suspension using sol-gel hydrolysis method and are characterized by XRD, TEM, and UV-visible absorption spectroscopy. The UV-visible absorption spectra reveal that the intensity of the characteristic peaks of CV diminish with time and within an hour the intensity drop below 3/4<sup>th</sup> of the maximum intensity and there is concomitant oxidative degradation of the dye. This process is accelerated under UV exposure.
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2017-03-03 13:45:55
 
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http://op.niscair.res.in/index.php/IJCT/article/view/7615
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 24, ##issue.no## 1 (2017): Indian Journal of Chemical Technology
 
Language Note en