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http://dx.doi.org/10.3740/MRSK.2005.15.5.323

Effect of Ambient Gas to Growth of SiO2 Nanowires by Vapor Evaporation Method  

Rho Dae-Ho (Korea University, Department of Materials Science and Engineering)
Kim Jae-Soo (Korea Institute of Science and Technology, Metal Processing Research Center)
Byun Dong-Jin (Korea University, Department of Materials Science and Engineering)
Lee Jae-Hoon (Korea Institute of Industrial Technology, Advanced Materials Center)
Yang Jae-Woong (Dajin University, Department of Advanced Materials Science and Technology)
Kim Na-Ri (Korea University, Department of Materials Science and Engineering)
Publication Information
Korean Journal of Materials Research / v.15, no.5, 2005 , pp. 323-333 More about this Journal
Abstract
Effects of gases to growth of $SiO_2$ nanowires were characterized. $N_2$, Ar, and $O_2$ gas's effect were determined. $SiO_2$ nanowires growth scheme was varied by kind and flow rates of gases because of amounts of $O_2$. Flow rates of gases and kind of substrates affected nanowires' diameters, lengths and morphologies of grown nano wires. With increasing flow rates of gases, nanowire's diameter increased because of additional VS and SLS reactions. By TEM characterization, We knows that, grown $SiO_2$ nanowires on Si substrate showed two shell structures. These shapes of nanowires were formed by reaction of additional SLS growth. Grown $SiO_2$ nanowires showed blue luminescence by PL characterization These Blue luminescence was due to quantum confinement effect and oxygen vacancies in the nanowires.
Keywords
nanowire; ambient gas;
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Times Cited By KSCI : 3  (Citation Analysis)
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