?? ??? ??? ?? ???? ???? ?? ??? ???? ? ??? ? ??.WO2.72????? ???? ?????? ??? ? ??? ?? ??? ??.??? ? ?? ???? WO2.72? ???? ? ?? ????.
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http://www.tungsten-oxide.com/korean/index.html
H2WO4? Na2SO4? ??? 160°C?? 24?? ???? ????? WO2.72???? ??? ? ??. ?? ??(NH4) xWO3+x/2 ? ???? ???? ???? H2(5vol%)/N2? ????? 500°C?? 1?? ?? ???? WO2.72???? ???? WO2.76???? ???? 180°C?? ???? WOLLL-280°C? ???? ????. WO2.72 ???? ???? ?? ????? WCl6? ???? 2.5mL? ?????? ???? 350°C?? 1?? ?? ???? WO2.72????? ??? ? ??. WCl6? ?????? ???? ???? 200°C?? WO2.72?????? 9?? ?? ???? ??? 250~450°C? ???? 2?? ?? ?????.
