Enhanced photocatalytic efficacy of hetropolyacid pillared TiO2 nanocomposites.

Enhanced photocatalytic efficacy of hetropolyacid pillared TiO2 nanocomposites.

Journal of nanoscience and nanotechnology (2014-04-18)

R Nivea, V Gunasekaran, R Kannan, T Sakthivel, K Govindan

ABSTRACT

The removal of dye from industrial effluents is prime important, photo-catalysis is a finest method to combat dye from effluents. This study concerns about the investigation of photocatalytic activity of TiO2-HPAs (Hetropolyacids) nanocomposite namely TiO2-Phosphomolybdic nanocomposite [TiO2-HMA] and TiO2-Phosphotungstic nanocomposite [TiO2-HWA] which were prepared by Sol-gel method and the same were characterized by using XRD, SEM-EDAX. The photocatalytic activity of prepared photo-catalysts were evaluated and compared by the degradation of Methylene Blue dye in water solution under UV irradiation. In that TiO2-HMA nanocomposite showed superior photocatalytic activity than TiO2-HWA.

MATERIALS

Product Number

Brand

Product Description

700347

Sigma-Aldrich

Titanium(IV) oxide, mixture of rutile and anatase, nanoparticles, <150 nm particle size (volume distribution, DLS), dispersion, 40 wt. % in H₂O, 99.5% trace metals basis

637262

Sigma-Aldrich

Titanium(IV) oxide, rutile, nanopowder, <100 nm particle size, 99.5% trace metals basis

634662

Sigma-Aldrich

Titanium(IV) oxide, mixture of rutile and anatase, nanopowder, <100 nm particle size (BET), 99.5% trace metals basis

635057

Sigma-Aldrich

Titanium(IV) oxide, rutile, <001>, (single crystal substrate), ≥99.9% trace metals basis, L × W × thickness 10 mm × 10 mm × 0.5 mm

IRMM531C

Titanium, IRMM^®, certified reference material, 0.5 mm wire

IRMM531B

Titanium, IRMM^®, certified reference material, 0.5 mm foil

204730

Sigma-Aldrich

Titanium(IV) oxide, rutile, 99.995% trace metals basis

224227

Sigma-Aldrich

Titanium(IV) oxide, rutile, powder, <5 μm, ≥99.9% trace metals basis

267902

Sigma-Aldrich

Titanium, wire, diam. 0.81 mm, 99.7% trace metals basis

305812

Sigma-Aldrich

Titanium, 5-10 mm, ≥99.99% trace metals basis (purity exclusive of Na and K content)

348848

Sigma-Aldrich

Titanium, foil, thickness 0.025 mm, 99.98% trace metals basis

266035

Sigma-Aldrich

Titanium, wire, diam. 1.0 mm, 99.99% trace metals basis

369489

Sigma-Aldrich

Titanium, foil, thickness 2.0 mm, 99.7% trace metals basis

460400

Sigma-Aldrich

Titanium, wire, diam. 0.25 mm, 99.7% trace metals basis

204757

Sigma-Aldrich

Titanium(IV) oxide, rutile, ≥99.98% trace metals basis

348791

Sigma-Aldrich

Titanium, foil, thickness 0.127 mm, 99.7% trace metals basis

GF12929744

Titanium, microfoil, disks, 25mm, thinness 0.25μm, specific density 112.6μg/cm², permanent mylar 3.5μm support, 99.6+%

GF17705516

Titanium, rod, 200mm, diameter 3.0mm, annealed, 99.6+%

GF82495198

Titanium, rod, 200mm, diameter 9.5mm, annealed, 99.99+%

GF65694426

Titanium, tube, 100mm, outside diameter 1.6mm, inside diameter 1.2mm, wall thickness 0.2mm, hard, 99.6+%

GF28411703

Titanium, tube, 100mm, outside diameter 10.3mm, inside diameter 8.7mm, wall thickness 0.8mm, annealed, 99.6+%

GF72212813

Titanium, tube, 200mm, outside diameter 25.4mm, inside diameter 23.62mm, wall thickness 0.89mm, annealed, 99.6+%

GF54883581

Titanium, rod, 1000mm, diameter 3.0mm, annealed, 99.6+%

GF16031843

Titanium, mesh, 100x100mm, nominal aperture 0.19mm, wire diameter 0.23mm, 60x60 wires/inch, open area 20%, twill weave

GF80010492

Titanium, rod, 200mm, diameter 16mm, annealed, 99.6+%

GF61322699

Titanium, rod, 100mm, diameter 2mm, annealed, 99.6+%

GF23916618

Titanium, microfoil, disks, 25mm, thinness 0.5μm, specific density 225.4μg/cm², permanent mylar 3.5μm support, 99.6+%

GF91859967

Titanium, rod, 100mm, diameter 9.5mm, annealed, 99.99+%

GF66991179

Titanium, rod, 100mm, diameter 2mm, as drawn, 99.99+%

GF31127712

Titanium, rod, 10mm, diameter 50mm, 99.99+%