[1]曹慧群,林碧玉,张晟诘,等.水热法制备锰锌铁氧体/碳纳米管磁性材料[J].深圳大学学报理工版,2013,30(No.1(001-110)):12-16.[doi:10.3724/SP.J.1249.2013.01012]
 Cao Huiqun,Lin Biyu,Zhang Shengjie,et al.Hydrothermal synthesis carbon nanotubes coating with Mn0.5Zn0.5Fe2O4 magnetic materials[J].Journal of Shenzhen University Science and Engineering,2013,30(No.1(001-110)):12-16.[doi:10.3724/SP.J.1249.2013.01012]
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水热法制备锰锌铁氧体/碳纳米管磁性材料()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第30卷
期数:
2013年No.1(001-110)
页码:
12-16
栏目:
材料科学
出版日期:
2013-01-31

文章信息/Info

Title:
Hydrothermal synthesis carbon nanotubes coating with Mn0.5Zn0.5Fe2O4 magnetic materials
作者:
曹慧群12林碧玉1张晟诘1罗仲宽12
1) 深圳大学化学与化工学院,深圳市新型锂离子电池与介孔材料重点实验室, 深圳 518060
2) 浙江大学硅材料国家重点实验室,杭州 310027
Author(s):
Cao Huiqun12 Lin Biyu1 Zhang Shengjie1 and Luo Zhongkuan12
1)College of Chemistry and Chemical Engineering, Key Laboratory of New Lithium-ion Battery and Mesoporous Materials Shenzhen University, Shenzhen 518060, P.R.China
2) State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, P.R.China
关键词:
磁性材料碳纳米管铁氧体磁滞回线水热法
Keywords:
magnetic materials carbon nanotube ferrite magnetization curves hydrothermal
分类号:
O 63
DOI:
10.3724/SP.J.1249.2013.01012
文献标志码:
A
摘要:
采用成本低、污染少的水热法制备锰锌铁氧体包覆的碳纳米管磁性纳米复合材料,并对其进行表征. X射线衍射分析表明,180 ℃为制备复合材料的合适水温,所得粉体中含Mn0.5Zn0.5Fe2O4、碳纳米管和少量的γ-Fe2O3,升高反应温度并不能使γ-Fe2O3杂相消失.透射电镜及高分辨透射电镜分析表明,包覆在碳纳米管上的Mn0.5Zn0.5Fe2O4粒子为球形,粒径约为10~20 nm,Mn0.5Zn0.5Fe2O4粒子中含有少量方形的γ-Fe2O3. 红外谱图分析表明,包覆前碳纳米管表面存在羟基、羰基和羧基等官能团,包覆后的复合材料在570 cm-1和1 388 cm-1处出现MnZn铁氧体的特征峰.磁滞回线结果表明,复合材料的饱和磁化强度值为1 145 364 A/m,剩余磁化强度值为438 517 A/m,矫顽力值为30 361 A/m,具有较好的铁磁性.
Abstract:
The magnetic composite of carbon nanotube coating with Mn0.5Zn0.5Fe2O4 nanoparticles was synthesized by a hydrothermal synthesis method with low cost and pollution. The composite was characterized by XRD, TEM, HRTEM, FTIR and VSM. The XRD results confirmed that about 180 ℃ was found to be an appropriate hydrothermal temperature to obtain Mn0.5Zn0.5Fe2O4/MWNTs magnetic composites. The composites contained Mn0.5Zn0.5Fe2O4, MWNTs and a little γ-Fe2O3. γ-Fe2O3 still coexisted in the composites while the hydrothermal temperature increased. TEM results and HRTEM results showed that the Mn0.5Zn0.5Fe2O4 nanoparticles were round, and the size of the Mn0.5Zn0.5Fe2O4 nanoparticles were 10 - 20 nm. The carbon nanotube attached carboxylic and phenolic groups without coating, and MnZn-ferrite vibrational peaks were shown at 570 cm-1 and 1 388 cm-1 in composite according to the results of FTIR. A test of magnetic properties indicated that the composite was ferromagnetic with a saturated magnetization of 1 145 364 A/m, a remanence of 438 517 A/m and a coercive of 30 361 A/m.

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备注/Memo

备注/Memo:
Received:2011-09-26;Revised:2012-05-06;Accepted:2012-09-06
Foundation:Shenzhen Base Science Study Project(JC201005280520A); State Key Laboratory of Silicon Materials Open Funds(SKL2012-6)
Corresponding author:Associate professor Cao Huiqun. E-mail: chq0524@163.com
Citation:Cao Huiqun, Lin Biyu, Zhang Shengjie, et al. Hydrothermal synthesis carbon nanotubes coating with Mn0.5Zn0.5Fe2O4 magnetic materials[J]. Journal of Shenzhen University Science and Engineering, 2013, 30(1): 12-16.(in Chinese)
基金项目:深圳市基础研究资助项目 (JC201005280520A);硅材料国家重点实验室开放课题资助(SKL2012-6)
作者简介:曹慧群(1976-),女(汉族),吉林省公主岭市人,深圳大学副教授、博士. E-mail: chq0524@163.com
引文:曹慧群,林碧玉,张晟诘,等. 水热法制备锰锌铁氧体/碳纳米管磁性材料[J]. 深圳大学学报理工版,2013,30(1):12-16.
更新日期/Last Update: 2013-01-20