Fabrication of MgO nanostructures and its efficient photocatalytic, antibacterial and anticancer performance

Publication date: Available online 12 November 2018Source: Journal of Photochemistry and Photobiology B: BiologyAuthor(s): K. Karthik, S. Dhanuskodi, C. Gobinath, S. Prabukumar, S. SivaramakrishnanAbstractMagnesium oxide (MgO) nanostructures were prepared using microwave-assisted (M 1) and hydrothermal (M 2) methods and characterized by XRD, SEM and FT-IR. It exhibits cubic structure with an average crystallite size of 20 nm (M 1) and 14 nm (M 2) and the lattice strain (WH plot) is 0.0017 (M 1), 0.0037 (M 2). It's spherical and rods like structures are confirmed through SEM and TEM. The vibrational stretching mode of MgO is 439 (M 1) and 449 cm−1 (M 2). The optical bandgap is estimated as 5.93 eV (M 1) and 5.85 eV (M 2) through UV–Vis spectra. The fluorescence spectrum shows ...

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