高等学校化学学报 ›› 2004, Vol. 25 ›› Issue (5): 797.

• 研究论文 • 上一篇    下一篇

水热条件对立方状Co3O4形貌的影响

张卫民, 宋新宇, 李大枝, 俞海云, 孙思修   

  1. 山东大学化学与化工学院, 济南 250100
  • 收稿日期:2003-08-05 出版日期:2004-05-24 发布日期:2004-05-24
  • 通讯作者: 孙思修(1945年出生),男,教授,博士生导师,从事溶剂萃取和无机材料化学研究.E-mail:ssx@sdu.edu.cn E-mail:ssx@sdu.edu.cn
  • 基金资助:

    国家自然科学基金(批准号:20171029)资助

Effects of Hydrothermal Synthetic Conditions on Co3O4 Cubes Morphologies

ZHANG Wei-Min, SONG Xin-Yu, LI Da-Zhi, YU Hai-Yun, SUN Si-Xiu   

  1. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
  • Received:2003-08-05 Online:2004-05-24 Published:2004-05-24

摘要: 研究了原料浓度、溶液酸度、水热反应温度和时间以及陈化方式等条件对立方状Co3O4形貌和粒度的影响,采用XRD,TEM和IR等手段跟踪反应过程,并表征产物,对水热过程中的相转变和尖晶石相Co3O4的水热形成机理进行了初步探讨

关键词: 水热合成, Co33O4, 强迫水解, 立方体

Abstract: As a continued part of our research endeavor in the synthesis of Co3O4 with different morphologies by hydrothermal treatment followed by decomposition, the effects of hydrothermal synthetic conditions, such asthe starting concentration of Co(NO3)2 solution, pH of the suspension, hydrothermal temperature, holding time and the stocking mode, on the Co3O4 cubes were reported in this paper. The results of XRD, TEM and IR were used to monitor the procedures of hydrothermal treatment. The cube size increased with the increasing of the acidity of solution, but decreased at a higher temperature. Prolonging the treating time helped the growth of the Co3O4 cubes. Moreover, the phase transformation and mechanism of Co3O4 spinel formation during the hydrothermal synthetic process were also discussed.

Key words: Hydrothermal synthesis, Cobalt oxide, Forced hydrolysis, Cube

中图分类号: 

TrendMD: