以尿素、硫酸镍为原料,用均相沉淀法制备了氧化镍纳米线,并通过X射线衍射(XRD)、透射电镜(TEM)及红外光谱等测试手段对所得产物的组成和形貌进行了研究.TEM结果表明,所得产物为多晶氧化镍纳米线,直径和长度分别为5～15 nm和250～350 nm.通过对前驱体产物在不同温度下煅烧,发现纳米线在600℃分解为颗粒.作为比较,以尿素为沉淀剂,用水热法制得氧化镍纳米粉体,结果得到球形和排列整齐的棒状两种形态.
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