Enhancement of UV Property on Cotton Fabric by TiO<sub>2</sub> Nanorods

Sasipriya, K.; Manivasakan, Palanisamy; Yuvakkumar, R.; Dhineshbabu, N. R.; Prabu, P.; Rajendran, V.

doi:10.1080/15533174.2013.790430

Cited by 6 publications

(2 citation statements)

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“…The peaks of adsorbed water (the OÀHs tretching mode) can be observed at 3410 and 1622 cm À1 . [16] The peak assigned to the C=Os tretching mode for the carboxylic acid group of TGA that appearsat1 718 cm À1 disappeared in the prepared TiO 2 sample, whereas the peaks that correspond to carboxylate can be observed at 1555 and 1440 cm À1 ,w hich is consistentw ith the literature. [12a] This indicates the coordination of the carboxylic group in TGA with metal cations, which leads to the homogenization of C=Oa nd CÀOa nd the appearance of two peaks owing to the vibrational coupling.…”

Section: Resultssupporting

confidence: 82%

“…Figure A shows FTIR spectra of TGA and TiO 2 spheres prepared in the presence of TGA and calcined at various temperatures. The peaks of adsorbed water (the O−H stretching mode) can be observed at 3410 and 1622 cm −1 . The peak assigned to the C=O stretching mode for the carboxylic acid group of TGA that appears at 1718 cm −1 disappeared in the prepared TiO 2 sample, whereas the peaks that correspond to carboxylate can be observed at 1555 and 1440 cm −1 , which is consistent with the literature .…”

Section: Resultsmentioning

confidence: 99%

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Monodisperse TiO₂ Spheres with High Charge Density and Their Self‐Assembly

Xia

et al. 2016

Chemistry An Asian Journal

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Titanium dioxide (TiO ) spheres are potential candidates to fabricate three-dimensional (3D) photonic crystals owing to their high refractive index and low absorption in the visible and near-infrared regions. Here, TiO spheres with both high surface charge density and uniform size, which are necessary for the self-assembly of TiO spheres, have been prepared by means of sol-gel methods in ethanol in the presence of thioglycolic acid as ligand. Thioglycolic acid, which contains two functional groups, not only acts as coordinating ligand for stabilizing and controlling the growth of TiO spheres but also endows the resulting TiO spheres with high charge density as based on ζ-potential analysis when the pH of the TiO aqueous dispersion was 6.5 or higher. The SEM images illustrate that the diameter of the prepared TiO spheres can be tuned from 100 to 300 nm by simply controlling the concentration of H O. FTIR spectra confirm that thioglycolic acid bonded to the surface of TiO spheres through carboxylic groups. As anticipated, the obtained TiO spheres could self-assemble to form a 3D opal photonic crystal structure by means of a simple gravity sedimentation method. Then the TiO spheres in the 3D opal photonic crystal structure were able to transform into a pure anatase phase by annealing at different temperatures.

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Section: Resultssupporting

confidence: 82%

Section: Resultsmentioning

confidence: 99%