Search Results - "Warrier, K G"

CO2 Absorption Studies on Mixed Alkali Orthosilicates Containing Rare-Earth Second-Phase Additives by Subha, P. V, Nair, Balagopal N, Hareesh, P, Mohamed, A. Peer, Yamaguchi, T, Warrier, K. G. K, Hareesh, U. S

“…Lithium silicate containing eutectic orthosilicate mixtures developed by a solid-state route displayed excellent characteristics as carbon dioxide absorbents…”
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Synergistic Effect in Photocatalysis As Observed for Mixed-Phase Nanocrystalline Titania Processed via Sol−Gel Solvent Mixing and Calcination by Zachariah, A, Baiju, K. V, Shukla, S, Deepa, K. S, James, J, Warrier, K. G. K

“…Mixed-phase nanocrystalline titania (TiO2) with varying rutile content has been synthesized via solvent mixing and calcination (SMC) treatment of…”
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Photocatalytic Activity of Sol−Gel-Derived Nanocrystalline Titania by Baiju, K. V, Shukla, S, Sandhya, K. S, James, J, Warrier, K. G. K

“…Nanocrystalline titania (TiO2) powders have been synthesized via sol−gel, using an alkoxide precursor, under different processing conditions, and their…”
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Sol–gel route to synthesize titania-silica nano precursors for photoactive particulates and coatings by Smitha, V. S., Manjumol, K. A., Baiju, K. V., Ghosh, Swapankumar, Perumal, P., Warrier, K. G. K.

“…Nano titanium dioxide sols containing silica in the range 5–50 mol% have been synthesized using sol–gel route starting from titanyl sulphate with a view of…”
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Correlating Photoluminescence and Photocatalytic Activity of Mixed-phase Nanocrystalline Titania by Baiju, K. V., Zachariah, A., Shukla, S., Biju, S., Reddy, M. L. P., Warrier, K. G. K.

“…Mixed-phase nanocrystalline titania with varying rutile-content has been synthesized via solvent mixing and calcination treatment of sol–gel derived…”
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High temperature stable mesoporous anatase TiO2 photocatalyst achieved by silica addition by PERIYAT, P, BAIJU, K. V, MUKUNDAN, P, PILLAI, P. K, WARRIER, K. G. K

“…An aqueous sol-gel method was developed to synthesize a high temperature stable anatase titania photocatalyst by doping with silica. Doping was achieved in…”
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Structural Modifications and Associated Properties of Lanthanum Oxide Doped Sol−Gel Nanosized Titanium Oxide by Sibu, C. P., Kumar, S. Rajesh, Mukundan, P., Warrier, K. G. K.

“…Nanosized titanium oxide with and without addition of lanthanum oxide is prepared by the solution sol−gel method. Resultant gel precursor was characterized by…”
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Comparing Ultraviolet and Chemical Reduction Techniques for Enhancing Photocatalytic Activity of Silver Oxide/Silver Deposited Nanocrystalline Anatase Titania by Priya, R, Baiju, K. V, Shukla, S, Biju, S, Reddy, M. L. P, Patil, K, Warrier, K. G. K

“…Silver oxide/silver have been deposited, with varying silver concentration (0.01−10 mol %), on the surface of sol−gel derived nanocrystalline anatase titania…”
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Ambient pressure drying: a successful approach for the preparation of silica and silica based mixed oxide aerogels by Aravind, P. R., Shajesh, P., Soraru, G. D., Warrier, K. G. K.

“…Silica aerogels have received much attention in recent years as it has got a wide range of properties like high surface area, low density, high porosity, low…”
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A Facile Sol-Gel Strategy for the Synthesis of Rod-Shaped Nanocrystalline High-Surface-Area Lanthanum Phosphate Powders and Nanocoatings by Rajesh, K., Shajesh, P., Seidel, O., Mukundan, P., Warrier, K. G. K.

“…Synthesis of rod‐shaped nanocrystalline lanthanum phosphate with an average length of 40 nm even after calcination at 400 °C has been realized through a…”
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Synthesis, structure and properties of cross-linked R(SiO1.5)/SiO2 (R=3-glycidoxypropyl) porous organic inorganic hybrid networks dried at ambient pressure by SHAJESH, P, SMITHA, S, ARAVIND, P. R, WARRIER, K. G. K

“…Highly porous organic inorganic hybrid networks have been prepared from tetraethoxysilane (TEOS) and 3-glycidoxypropyltrimethoxysilane (GPTMS) precursors by…”
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Silica–titania aerogel monoliths with large pore volume and surface area by ambient pressure drying by Aravind, P. R., Shajesh, P., Mukundan, P., Warrier, K. G. K.

“…Ambient pressure drying has been carried out for the synthesis of silica–titania aerogel monoliths. The prepared aerogels show densities in the range…”
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An ‘Eco-friendly’ all aqueous sol gel process for multi functional ultrafiltration membrane on porous tubular alumina substrate by Manjumol, K.A., Shajesh, P., Baiju, K.V., Warrier, K.G.K.

“…► An all aqueous sol gel method for ultrafiltration titania membrane is presented. ► A facile multilayer coating approach for ultrafiltration membranes is…”
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Enhanced Solar-Radiation Induced Photocatalytic Activity of Surface-Modified Nanocrystalline Anatase-Titania by Priya, R, Baiju, K. V, Shukla, S, Biju, S, Reddy, M. L. P, Patil, K. R, Warrier, K. G. K

“…Sol-gel derived pure nanocrystalline (~20-30 nm) anatase-titania has been surface-modified by depositing silver(I) oxide and silver (predominantly the former)…”
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Aqueous colloidal sol-gel route to synthesize nanosized ceria-doped titania having high surface area and increased anatase phase stability by PERIYAT, Pradeepan, BAIJU, K. V, MUKUNDAN, P, KRISHNA PILLAI, P, WARRIER, K. G. K

“…Nanocrystalline sol–gel derived titania doped with ceria (1, 2, 5 and 10-mole%) has been prepared from titanyl oxysulphate. The titania doped with 5-mole% CeO2…”
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Environmentally benign sol–gel derived nanocrystalline rod shaped calcium doped cerium phosphate yellow-green pigment by Sumaletha, N., Rajesh, K., Mukundan, P., Warrier, K. G. K.

“…Nanocrystalline rod shaped calcium doped cerium phosphate yellow-green pigment particles having an average length of ~100 nm and aspect ratio 10 even after…”
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Antiwetting silica-gelatin nanohybrid and transparent nano coatings synthesised through an aqueous sol-gel process by SMITHA, S, SHAJESH, P, MUKUNDAN, P, WARRIER, K. G. K

“…Hydrophobic silica-biopolymer hybrid has been synthesised using colloidal silica as the precursor for silica, gelatin as the biopolymer counterpart and…”
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Morphology-Dependent Dye-Removal Mechanism as Observed for Anatase-Titania Photocatalyst by Baiju, K. V, Shukla, S, Biju, S, Reddy, M. L. P, Warrier, K. G. K

“…Nanotubes of anatase-titania with very high specific surface-area have been synthesized via hydrothermal using the as-received powder of anatase-titania…”
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Synthesis of mesoporous hydrophobic silica microspheres through a modified sol–emulsion–gel process by Smitha, S., Shajesh, P., Mukundan, P., Warrier, K. G. K.

“…Mesoporous silica microspheres were synthesised through a sol–emulsion–gel process using Span 80 as the surfactant in silica sol/ n -hexane water in oil…”
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Novel electroless process for copper coating of flyash using titania/ultraviolet-radiation/metal catalyst-system by Shijitha, T., Baiju, K.V., Shukla, S., Patil, K., Warrier, K.G.K.

“…A novel electroless process has been demonstrated in this investigation to coat the surface of flyash particles with a conducting metal such as copper. The…”
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