Preparation, Characterization and Applications of Visible Light Responsive Photocatalytic Materials
A. Pandey, S. Kalal, N. Salvi, C. Ameta, R. Ameta, P.B. Punjabi
Today, scientists all over the world are looking for eco-friendly methods to treat polluted water for its reuse. Photocatalytic activity (PCA) depends on the ability of the catalyst to create electron–hole pairs, which generate free radicals (e.g. hydroxyl radicals: •OH), which undergo in secondary reactions as efficient oxidant under irradiation of light. Various applications of visible light active (VLA) photocatalytic materials, in terms of environmental remediation are- Elimination of several pollutants (e.g. alkanes, alkenes, phenols, pesticides, etc.) particularly in water treatment, disinfection and air purification, self-cleaning glass, photocatalytic concrete and paints; photoreduction of carbon dioxide; outdoor and indoor coatings of photocatalysts for roads and buildings. Therefore, the main objective of this proposal is to review the eco-friendly heterogeneous catalytic systems with low cost starting compounds with the benefit that no sludge formation is there and catalysts are reusable too.
Keywords
Photocatalyst, Semiconductor, Band Gap, Photocatalytic Degradation, Water Pollution, Advanced Oxidative Processes, Binary, Ternary and Quaternary Photocatalyst
Published online 2/25/2018, 42 pages
DOI: https://dx.doi.org/10.21741/9781945291593-3
Part of Photocatalytic Nanomaterials for Environmental Applications
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