通过低温(60℃)水浴合成路线,在油酸-无水乙醇混合溶液存在的条件下,制备出Zn-ZnO核-壳间隙结构,以原料Zn球为核,并对产物直径大小产生直接影响,而沿[001]晶面生长的ZnO纳米棒为壳,棒直径为80～150nm,而且核-壳之间存在一定的间隙空间.适当的改变合成条件,可以得到不同形态的Zn-ZnO核-壳结构.通过XRD、SEM、TEM和FT-IR等分析手段,对产物结构和性能进行了不同的分析,并对Zn-ZnO核-壳结构的形成机理进行了讨论.结果表明,加入油酸-无水乙醇混合液对形成核-壳结构的间隙空间起到了重要的作用,而外壳的ZnO棒尺寸大小可通过磁力搅拌来控制.
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