以浓度为2 ～ 10 mol/L的NaOH溶液为溶剂,采用水热方法合成了片层结构的纳米CuO材料.XRD测试结果证明了在五个NaOH溶液浓度下制备的纳米CuO材料的晶型均呈现单斜晶相；TEM和SEM结果显示片层结构的纳米CuO材料厚度约为42nm,长轴长在150～200 nm之间,短轴长在90 ～ 120 nm之间,形状随着NaOH浓度升高由不规则状向椭圆形转变；FT-IR谱中纳米CuO材料特征吸收峰位置发生了范围较大的红移或蓝移；UV-DRS谱中纳米CuO材料呈现出代表不同电子跃迁引起的四个吸收谱带区.
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