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Home / Journal of Nanoscience and Nanotechnology, Volume 17, Number 3

Preparation, Characterization and Photocatalytic Activity of Anatase, Rutile TiO2/Multiwalled Carbon Nanotubes Nanocomposite for Organic Dye Degradation

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Multiwalled carbon nanotubes (MWCNT)/TiO2 nanocomposites with different crystallographic forms of TiO2 (anatase (A) and rutile (R)) were synthesized by hydrothermal method. Photocatalytic activity of these TiO2 nanocomposites was investigated for the degradation of methylene blue dye under UV irradiation. Enhanced photocatalytic activity of MWCNT/TiO2 nanocomposites as compared to pure TiO2 nanostructures has been attributed to efficient transfer of photo-generated electron from TiO2 to MWCNT. Also, MWCNT/A-TiO2 nanocomposite shows three times higher photocatalytic activity and faster degradation rate than MWCNT/R-TiO2, which has been attributed to efficient generation of OH• radicals in A-TiO2 as compared to R-TiO2.

Keywords: Anatase; MWCNT; Organic Dye; Photocatalysis; Rutile

Document Type: Research Article

Affiliations: Physics Department, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India

Publication date: 01 March 2017

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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