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Proceedings Paper

Selective hydrothermal growth of MnO2 nanostructures using laser under ambient conditions
Author(s): Suwon Hwang; Heejung Kong; Tae Seung Hwang; Junyeob Yeo
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Paper 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.

Paper Details

Date Published: 2 March 2020
PDF: 7 pages
Proc. SPIE 11291, Quantum Dots, Nanostructures, and Quantum Materials: Growth, Characterization, and Modeling XVII, 112910R (2 March 2020); doi: 10.1117/12.2542770
Show Author Affiliations
Suwon Hwang, Kyungpook National Univ. (Korea, Republic of)
Heejung Kong, Kyungpook National Univ. (Korea, Republic of)
Tae Seung Hwang, Kyungpook National Univ. (Korea, Republic of)
Junyeob Yeo, Kyungpook National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 11291:
Quantum Dots, Nanostructures, and Quantum Materials: Growth, Characterization, and Modeling XVII
Diana L. Huffaker; Holger Eisele, Editor(s)

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