配位沉淀制备高比表面积氢氧化铜纳米线/纳米棒

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徐爽^1,2，曲景奎^1*，魏广叶¹，齐涛¹

1. 中国科学院过程工程研究所绿色与工程重点实验室，湿法冶金清洁技术国家工程实验室，北京 100190 2. 中国科学院大学化学与化工学院，北京 100049

收稿日期:2017-12-15修回日期:2018-07-13出版日期:2018-10-22发布日期:2018-10-12
通讯作者:曲景奎

基金资助:中国科学院前沿科学重点研究项目;河南省科技开放合作项目;中国科学院科技服务网络计划(STS计划)项目

Preparation of high specific surface area Cu(OH)₂ nanowires/nanorods by coordinated precipitation

Shuang XU^1,2, Jingkui QU^1*, Guangye WEI¹, Tao QI¹

1. National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
2. School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2017-12-15Revised:2018-07-13Online:2018-10-22Published:2018-10-12
Contact:QU Jing-kui

摘要/Abstract

摘要： 以CuSO4?5H2O、氨水和NaOH为原料，采用配位沉淀法制备了不同形貌的Cu(OH)2纳米粉末，考察了NaOH用量、氨水用量和CuSO4初始浓度对颗粒形貌、粒度和比表面积的影响. 结果表明，在CuSO4初始浓度0.1 mol/L、摩尔比NH3:CuSO4=7和NaOH:CuSO4=2~4的条件下，Cu(OH)2由纳米线组装成花簇状，随NaOH用量增加，单头簇状结构减少，双头花簇状结构增多；在CuSO4初始浓度0.1 mol/L、摩尔比NaOH:CuSO4=2和NH3:CuSO4=7的条件下，得到由长径比为20~60的纳米线组成的直径为0.3~1 μm、长1~3 μm的花形簇状Cu(OH)2颗粒，其粒度分布均一，比表面积达83.3 m2/g，表面存在吸附水；在摩尔比NH3:CuSO4=3，NaOH:CuSO4=2的条件下，随CuSO4初始浓度降低，Cu(OH)2纳米线倾向组装成花形簇状结构.

引用本文

徐爽曲景奎魏广叶齐涛. 配位沉淀制备高比表面积氢氧化铜纳米线/纳米棒[J]. 过程工程学报, 2018, 18(5): 1052-1060.
Shuang XU Jingkui QU Guangye WEI Tao QI. Preparation of high specific surface area Cu(OH)₂ nanowires/nanorods by coordinated precipitation[J]. Chin. J. Process Eng., 2018, 18(5): 1052-1060.

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