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[1]王升高,孔曾杰,蒋宗炎,等.金属镍在碳纳米管薄膜上的电结晶[J].武汉工程大学学报,2013,(03):48-51.[doi:103969/jissn16742869201303010]
　WANG Sheng gao,KONG Zeng jie,JIANG Zong yan,et al.Electrocrystallization of nickel on carbon nanotubes film[J].Journal of Wuhan Institute of Technology,2013,(03):48-51.[doi:103969/jissn16742869201303010]
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金属镍在碳纳米管薄膜上的电结晶(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年03期
页码:
48-51
栏目:
资源与土木工程
出版日期:
2013-03-31

文章信息/Info

Title:
Electrocrystallization of nickel on carbon nanotubes film
文章编号:
16742869(2013)03004804
作者:
王升高; 孔曾杰; 蒋宗炎; 杜祖荣; 汪建华
武汉工程大学等离子体化学与新材料重点实验室，湖北 武汉430074
Author(s):
WANG Shenggao; KONG Zengjie; JIANG Zongyan; DU Zurong; WANG Jianghua
Key Laboratory of Plasma Chemistry and Advanced Materials of Hubei Province, Wuhan 430074,China)Abstract: To generate some oxygencontaining surface groups at the carbon nanotubes(CNTs
关键词:
复合电沉积;  碳纳米管薄膜;  镍;  电结晶
Keywords:
electrodeposition;  CNTs film;  nickel;  electrocrystallization
分类号:
TB383
DOI:
103969/jissn16742869201303010
文献标志码:
A
摘要:
为了使碳纳米管表面产生某些含氧官能团，使其疏水性表面变为亲水性表面，采用兼具有酸性和氧化性的硝酸和硫酸水溶液对碳纳米管进行表面氧化处理，并利用红外光谱表征了碳纳米管的表面结构.制备了初始浓度为0.5 g/L的碳纳米管悬浮液，运用复合电沉积方法在不锈钢基体表面制备碳纳米管薄膜，同时在硫酸镍基础电解液中研究了沉积时间对镍晶粒在碳纳米管薄膜上沉积的表面形貌和微观结构的影响.结果表明：经过混酸氧化处理后的碳纳米管表面拥有丰富的羧基和羟基等含氧官能团；沉积初期镍晶粒在碳纳米管薄膜中的结晶形态呈颗粒状，其结晶位置仅位于碳纳米管表面少数部位，随着沉积时间的延长，镍晶粒在碳纳米管薄膜中逐渐形成准连续的金属层.此外，碳纳米管的存在促进了镍晶粒（111）晶面的生长，影响了特征峰相对强度的变化及晶粒尺寸的减小.
Abstract:
surface, which converts the hydrophobic surface into hydrophilic surface, carbon nanotubes were oxidized by using the mixture of nitric acid (HNO3) and sulfuric acid (H2SO4) with strong acidity and oxidizability, and characterized by using the infrared spectroscopy (IR). Carbon nanotubesfilm was fabricated from carbon nanotubes suspensions with an initial concentration of 0.5 g/L by electrodeposition on the stainless steel. The effects of the deposition time on the surface morphology and microstructure of nickel on the CNTs film were investigated by using sulfuric nickel electrolyte. The results show that hydroxylic groups and carboxylic groups generate on the surface of CNTs after the mixed acid treatment. In the early stage of nickel electrodeposition on the CNTs film, nickel is deposited as graininess morphology on some parts of the surface of CNTs. With prolonging the time of deposition, the deposit layer of nickel progressively increases on the CNTs film, leading to a quasicontinuous nickel layer. In addition, the presence of CNTs promotes the growth of the (111) crystal plane of the nickel crystallites, effects the change of the characteristic peak relative intensity and the grain size decrease.

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备注/Memo

备注/Memo:
收稿日期：20130301基金项目：国家自然科学基金(51272187和51072140); 湖北省高等学校优秀中青年团队项目；湖北省教育厅科学研究重大项目(Z200715001和T201004); 武汉市科学带头人计划（201150530151）作者简介：王升高(1969), 湖北天门人, 博士, 教授. 研究方向: 低温等离子体技术及其应用.
更新日期/Last Update: 2013-04-23