Metastable solid solutions in the system ZnO-CoO:: synthesis by hydrolysis in polyol medium and study of the morphological characteristics

被引:98
作者
Poul, L
Ammar, S
Jouini, N
Fiévet, F
Villain, F
机构
[1] Univ Paris 07, Lab Chim Mat Divises & Catalyse, F-75251 Paris, France
[2] Univ Paris 06, Lab Chim Inorgan & Mat Mol, F-75252 Paris, France
关键词
Zn1-xCoxO; ZnO; CoO; metastable solid solution; polyol; particle growth;
D O I
10.1016/S1293-2558(00)01129-8
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Metastable solid solutions in the system ZnO-CoO have been synthesized by hydrolysis of ionic zinc and/or cobalt salts in polyol medium. The solubility of Co in the zincite oxide was significantly increased (at.% Co = 65) compared to that obtained under thermodynamical equilibrium (at.% Co = 6.5 at 800 degreesC). CoO was also obtained via this route. The products are made up of sub-micrometer particles. A detailed study of their morphology along with pure ZnO particle morphology was conducted. Different growth mechanisms are evidenced. (C) 2001 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
引用
收藏
页码:31 / 42
页数:12
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