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2 March 2020 Selective hydrothermal growth of MnO2 nanostructures using laser under ambient conditions
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Abstract
In this research, we present selective and rapid growth method of MnO2 nanostructures by laser. MnO2 nanostructures directly grow on metal layered substrate under ambient conditions. The MnO2 nanostructures grow through micro temperature field which is photothermally generated by continuous wave laser. Hemi-urchin shaped nanowire array grows about 5μm length and show 12.5 times faster than conventional hydrothermal method. We characterize analytically the growth mechanism of MnO2 nanostructures according to the laser irradiation time. In addition, MnO2 nanostructure shows different morphologies by adjusting laser powers and precursor concentrations.
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Suwon Hwang, Heejung Kong, Tae Seung Hwang, and Junyeob Yeo "Selective hydrothermal growth of MnO2 nanostructures using laser under ambient conditions", Proc. SPIE 11291, Quantum Dots, Nanostructures, and Quantum Materials: Growth, Characterization, and Modeling XVII, 112910R (2 March 2020); https://doi.org/10.1117/12.2542770
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