CuAlO2纳米晶的水热-分解制备及表征

功能材料, 2006, 37(1): 117-122.

CuAlO2纳米晶的水热-分解制备及表征

高善民 ^1, , 张江 ^2, , 王群 ^3, , 戴瑛 ^4, , 黄柏标 ^5,

1.烟台师范学院,化学与材料科学学院,山东,烟台,264025;山东大学,晶体材料国家重点实验室,山东,济南,250100

2.烟台师范学院,化学与材料科学学院,山东,烟台,264025

3.烟台师范学院,化学与材料科学学院,山东,烟台,264025

4.山东大学,晶体材料国家重点实验室,山东,济南,250100

5.山东大学,晶体材料国家重点实验室,山东,济南,250100

基金项目: 烟台师范学院校科研和教改项目(415-000491) 中国科学院资助项目(10374060)

关键词： p型半导体 , CuAlO2 , 水热-分解 , 纳米晶

Preparation and formation mechanism of the CuAlO2 nanocrystals by hydrothermal-decomposition method

采用新制备的Cu2O和Al(OH)3为反应原料,利用水热-分解法制备了p型半导体CuAlO2纳米晶.采用X射线衍射(XRD)、透射电子显微镜(TEM)、X射线光电子能谱(XPS)和紫外-可见(UV-Vis)吸收光谱对其结构、形貌、表面组分和性能进行了表征分析,对反应机理进行了讨论.结果表明在水热条件下首先是Al(OH)3转化为γ-AlOOH,然后γ-AlOOH分解并与Cu2O反应生成CuAlO2纳米晶.确定了以Cu2O和Al(OH)3溶胶为反应原料,采用水热-分解法制备CuAlO2纳米晶的最佳反应条件.

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