Formation of submicron copper sulfide particles using spray pyrolysis method

被引:22
作者
Lenggoro, IW
Kang, YC
Komiya, T
Okuyama, K
Tohge, N
机构
[1] Hiroshima Univ, Dept Chem Engn, Higashihiroshima 7398527, Japan
[2] Kinki Univ, Dept Engn Met, Higashiosaka, Osaka 5770818, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1998年 / 37卷 / 3A期
关键词
copper sulfide; spray pyrolysis; submicron particles; morphology; crystalline phase;
D O I
10.1143/JJAP.37.L288
中图分类号
O59 [应用物理学];
学科分类号
摘要
The morphology and crystalline phase of submicron copper sulfide particles prepared by spray pyrolysis method have been studied. In a nitrogen gas atmosphere, the covellite phase (CuS) spherical particles could be prepared using the solution with molar ratio of copper nitrate to thiourea and furnace temperatures of 1:2 at 200-300 degrees C, as well as of 1:5 at 200-600 degrees C. The crystalline phase of particles was highly depended on the composition of the precursors and the pyrolysis temperature. The sphericity of particles could be enhanced by increasing the temperature and prolonging the residence time of the droplets or particles in the furnace.
引用
收藏
页码:L288 / L290
页数:3
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