Ni/SiO2介孔复合体的组装与光吸收性质研究

功能材料, 2004, 35(z1): 2643-2652.

Ni/SiO2介孔复合体的组装与光吸收性质研究

吴玉程 ^1, , 程继贵 ^2, , 解挺 ^3, , 李广海 ^4, , 张立德 ^5,

1.合肥工业大学材料科学与工程学院,安徽,合肥,230009;中国科学院固体物理研究所,安徽,合肥,230031

2.合肥工业大学材料科学与工程学院,安徽,合肥,230009

3.合肥工业大学材料科学与工程学院,安徽,合肥,230009

4.中国科学院固体物理研究所,安徽,合肥,230031

5.中国科学院固体物理研究所,安徽,合肥,230031

基金项目: 安徽省科技攻关项目(01402007) 安徽省自然科学基金(00046403) 合肥工业大学校科研和教改项目

关键词： Ni/SiO2 , 介孔复合体 , 组装 , 光吸收性质

Investigation on assembly and optical absorption of Ni/SiO2 mesoporous composite

采用溶胶-凝胶方法制备二氧化硅介孔固体,通过镍的硝酸盐溶液浸泡、干燥和随后氢热还原法,形成Ni/SiO2介孔复合体.根据DSC,XRD,TEM表征结果,纳米Ni颗粒尺寸为7～9nm,均匀地分布于SiO2介孔基体中.随着热处理温度提高,纳米颗粒尺寸增大,Ni/SiO2介孔复合体光吸收边明显发生红移.

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Ni/SiO2介孔复合体的组装与光吸收性质研究

Investigation on assembly and optical absorption of Ni/SiO2 mesoporous composite

参考文献