Stanford Research Award-2015 in Photocatalysis

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World Academic Championship-

Applications are invited every year for ‘Stanford Research Award in Photocatalysis’ in various subjects from all countries. Brilliant Scientists, Students, Research Supervisors, Teachers and Industrialist are encouraged to apply. Apply with your Best research article/ Book/ Book Chapter/ Thesis/ Dissertation for selection in meritorious international competition at


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Visible light active photocatalysts are much sought after due to possibility of development of efficient and less expensive photoreactors for environmental applications. We prepared a visible light active photocatalyst, polyaniline-TiO2 (PANI-TiO2) nanocomposite, using insitu polymerisation method. It was characterized using photocatalytic activity of the PANI-TiO2 nanocomposite was tested for photo degradation of Reactive Blue 4 (RB- 4) using visible (100 W tungsten-halogen lamp) as well as UV lamp (125 W). The PANI/TiO2 nanocomposites having thin layers of PANI (~1 nm) polymerized on the surface of TiO2 nanoparticles (~30 nm) were obtained. The nanocomposite displayed remarkable photocatalytic activity under visible light irradiation (% RB-4 removal efficiency ³ 92; % TOC removal ³ 50). About 15 times greater rate constant for the reaction under visible light (5.23 × 10-2 min-1) was obtained compared to the rate constant with TiO2 (k = 3.5 ´ 10-3 min-1). The kinetic and morphological data were discussed in the light of the reported data for PANI/TiO2 materials produced earlier by different methods. On the basis of such comparison, a PANI/TiO2 in which TiO2nanoparticles are deposited on polyaniline could be inferred to have higher photo activity over the other forms.