Facile synthesis and shape evolution of oleic acid decorated Cu2O microcrystals

被引：2
|
作者：
Xu, Bin [1 ]
Cao, Xiaohai [1 ]
Zhu, Bingchun [1 ,2 ]
Lou, Baiyang [1 ]
Ma, Xiaocun [1 ]
Li, Xiao [1 ]
Wang, Yuguang [1 ]
机构：
[1] Zhejiang Univ Technol, Hangzhou 310014, Zhejiang, Peoples R China
[2] Zhejiang Res Inst Chem Ind, Hangzhou 310023, Zhejiang, Peoples R China
来源：
APPLIED SURFACE SCIENCE | 2015年 / 355卷
基金：
中国国家自然科学基金;
关键词：
Shape evolution; Synthetic method; Cu2O microcrystals; Intraparticle ripening; CUPROUS-OXIDE; GOLD; NANOCRYSTALS; REDUCTION; NANOWIRES; CRYSTALS; SPHERES;
D O I：
10.1016/j.apsusc.2015.07.094
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A facile synthetic method of oleic acid decorated Cu2O microcrystals has been developed by thermal decomposition of copper formate-octylamine complexes in paraffin using oleic acid as dispersing agent. This new method showed many advantages, which include free-reducing agent, enhancing antioxidant properties of Cu2O and good dispersity in paraffin, etc. The phase structure and morphology were investigated by means of XRD, SEM and TEM. It is found that the reaction time and temperature play the important roles in the crystallite morphology. With the increase of the reaction time, the Cu2O rhombic dodecahedron is gradually transformed into the spherical particle by intraparticle ripening. The shape evolution of Cu2O microcrystals can be accelerated with the increase of temperature. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：153 / 159
页数：7
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