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Abstract:
本发明公开了一种制备三维有序大孔结构的多晶SrFeO3的新方法。按照摩尔比1/1将硝酸锶和硝酸铁溶解在水中,并添加柠檬酸形成络合溶液,控制金属离子浓度约为1.5mol/L;上述溶液可引入添加剂或者碳源如赖氨酸、蔗糖等;将PMMA微球模板倾入溶液中浸渍、抽滤、干燥,然后置于管式炉中,先在氮气气氛中以1℃/min的速率升至600℃并恒温2h,待降至70℃以下切换成空气气氛,再以1℃/min的速率升温至300℃恒温1h,再继续升温至750℃恒温3h,即得到三维有序大孔结构的钙钛矿型多晶氧化物SrFeO3。本发明制备的三维有序大孔结构的多晶SrFeO3材料结晶度好,原料廉价易得,产物热稳定性好。
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Patent Info :
Type: 发明授权
Patent No.: CN201010532428.2
Filing Date: 2010-10-29
Publication Date: 2013-01-16
Pub. No.: CN102010011B
Applicants: 北京工业大学
Legal Status: 未缴年费
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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