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Strain-induced orientation of copper oxide nanoislands through decomposition of pre-organized copper nitrate

Strain-induced orientation of copper oxide nanoislands through decomposition of pre-organized copper nitrate
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摘要 By the decomposition of copper nitrate at 400 ℃, oriented islands of copperoxide crystals were successfully fabricated on the amorphous glass surface. X ray diffraction (XRD), atom force microscope (AFM), and X ray photoelectron spectroscopy (XPS) confirm the presence of copper oxide islands. The formation of oriented island structures is attributed to the following reasons: 1) the mismatch between the glass substrate and the copper oxide crystals during the relaxation of thermal expansion leads to the formation of islands; 2) the preorganized copper nitrate particles in the voids of colloidal crystals determine their ordered spatial distribution; 3) the strain of the glass substrate developing during calcination provides the driven energy for the orientation of copper oxide crystals along the same direction. By the decomposition of copper nitrate at 400 ℃, oriented islands of copperoxide crystals were successfully fabricated on the amorphous glass surface. X ray diffraction (XRD), atom force microscope (AFM), and X ray photoelectron spectroscopy (XPS) confirm the presence of copper oxide islands. The formation of oriented island structures is attributed to the following reasons: 1) the mismatch between the glass substrate and the copper oxide crystals during the relaxation of thermal expansion leads to the formation of islands; 2) the preorganized copper nitrate particles in the voids of colloidal crystals determine their ordered spatial distribution; 3) the strain of the glass substrate developing during calcination provides the driven energy for the orientation of copper oxide crystals along the same direction.
作者 谷俐 陈树大 赵惠明
机构地区 Department of Chemical Engineering
出处 《中国有色金属学会会刊：英文版》 CSCD 2004年第1期127-130,共4页 Transactions of Nonferrous Metals Society of China
关键词 硝酸铜 氧化铜 XRD XPS AFM 纳米材料 nanoislands oriented growth copper oxide atom force microscope colloidal crystals
分类号 TB383 [一般工业技术—材料科学与工程]
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中国有色金属学会会刊：英文版
2004年 第1期

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