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具有二级结构的Co_3O_4纳米材料的控制合成与光催化性能研究
  • ISSN号：1000-985X
  • 期刊名称：《人工晶体学报》
  • 时间：0
  • 分类：O643[理学—物理化学;理学—化学]
  • 作者机构：[1]许昌学院表面微纳米材料研究所,河南省微纳米能量储存与转换材料重点实验室,许昌461000, [2]许昌学院化学化工学院,许昌461000
  • 相关基金：国家自然科学基金青年基金（61204009,21303153）; 河南省科技厅科技攻关项目（122102210479）; 河南省教育厅自然科学研究项目（2011A150025）; 许昌学院校级科研项目（2015091）
作者： 赵红晓[1], 李静[1], 徐慧芳[1,2], 王淑敏[1,2]
关键词： 水热法, CO3O4, 光学带隙, 光催化, hydrothermal method , Co3O4 , band gap , photocatalysis
中文摘要：

采用水热法成功合成了二级结构的Co3O4纳米材料。借助X射线衍射仪（XRD）、扫描电子显微镜（SEM）和透射电子显微镜（TEM）对产物进行表征,研究了溶液的pH值、表面活性剂聚乙二醇PEG的用量等反应条件对产物形貌的影响。结果表明,当Co（NO3）2·6H2O为1.8mol/L,pH值为8、PEG用量为10g时,可以获得完美二级结构--柿饼状的Co3O4纳米材料,其光学带隙为1.49eV,该结构的Co3O4纳米材料对亚甲基蓝的光催化性能优异。

英文摘要：

The hierarchical Co3O4 nanostructures were successfully synthesized by hydrothermal method.The morphology and microstructure of as-prepared products were investigated by X-ray diffraction（ XRD）,scanning election microscope（ SEM） and transmission election microscope（ TEM）. The effects of the experimental conditions,such as p H value of the reaction solution and surfactant of polyethylene glycol（ PEG） on the morphology of the products were studied. The results indicate that the hierarchical Co3O4 nanostructures could be obtained when the p H value is 8 and PEG is 10 g and the band gaps of Co3O4 nanoparticles with dried persimmon-like structured are 1. 49 eV. The photocatalytic degradation efficiency was investigated by degrading methylene blue solution to sunlight in the presence of Co3O4 with dried persimmon-like structured.

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期刊信息
  • 《人工晶体学报》
  • 中国科技核心期刊
  • 主管单位:中国建材工业协会
  • 主办单位:中国硅酸盐学会 晶体生长与材料专业委员会 中材人工晶体研究院
  • 主编：余明清
  • 地址：北京市733信箱
  • 邮编：100018
  • 邮箱：
  • 电话：010-65492963 65492968 65493320
  • 国际标准刊号：ISSN：1000-985X
  • 国内统一刊号：ISSN：11-2637/O7
  • 邮发代号:
  • 获奖情况:
  • 1997年获国家科技优秀期刊,获部级优秀科技期刊奖,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:9943