石油化工高等学校学报

石油化工高等学校学报 ›› 2013, Vol. 26 ›› Issue (3): 57-61.DOI: 10.3969/j.issn.1006396X.2013.03.013

• 化工机械 • 上一篇    下一篇

超声波振荡对碳纳米管形态的影响

邱立杰1,张国福1,王文广1,2*   

  1. (1辽宁石油化工大学机械工程学院,辽宁抚顺113001;2中国科学院金属研究所,辽宁沈阳110016)
  • 收稿日期:2012-11-08 出版日期:2013-06-25 发布日期:2013-06-25
  • 作者简介:邱立杰(1987-),女,河北廊坊市,在读硕士。
  • 基金资助:
    国家重点基础研究计划973 项目
    (2011CB932603,2012CB619600)。

The Effects of Ultrasonic Oscillation on the Form of Carbon Nanotubes

  1. (1.School of Mechanical Engineering,Liaoning Shihua University,Fushun Liaoning 113001,China; 2.Institute of Metal Research of Chinese Academy of Sciences,Shenyang Liaoning 110016, China)
  • Received:2012-11-08 Published:2013-06-25 Online:2013-06-25

摘要: 采用TX-10表面活性剂作为分散剂,并用超声波振荡方法对碳纳米管(CNTs)进行了分散处理。利 用透射电镜(TEM)观察了超声波振荡时间对碳纳米管分散状态的影响,并评价了碳纳米管的损伤。此外,通过静置 悬浊液观察沉淀的方法,研究了该体系的稳定性。结果表明,CNTs的直径越小其抗弯截面系数也越小,在超声波侧向冲击的作用下产生的弯曲正应力越大,超声波振荡造成的损伤也越严重,最终导致较细纳米碳管在剪切的作用下长度急剧下降,这也是影响CNTs分散性及其悬浊液稳定性的重要原因。

关键词: 碳纳米管 , 超声波 , 分散性 , 损伤

Abstract: Using TX10 as surfactants,carbon nanotubes (CNTs) were dispersed by ultrasonic oscillation.The effects of ultrasonic oscillation on the dispersity and damage of CNTs were studied with TEM.And the stability was evaluated with settlement time of the suspension. The results show that the smaller diameter of the CNTs,the smaller of the bending section modulus,and the bending normal stresses caused by ultrasonic lateral impact force are greater,the damage caused by ultrasonic oscillation is more serious.As a result,the length of the smaller diameter CNTs decreased significantly due to the shearing.It is also the important factor that affects the dispersity of CNTs and stability of CNTs suspension.

Key words: Carbon nanotubes,    ,  Ultrasonic oscillation,    , Dispersity,    ,  Damage

引用本文

邱立杰,张国福,王文广. 超声波振荡对碳纳米管形态的影响[J]. 石油化工高等学校学报, 2013, 26(3): 57-61.

QIU Lijie,ZHANG Guofu,WANG Wenguang. The Effects of Ultrasonic Oscillation on the Form of Carbon Nanotubes[J]. Journal of Petrochemical Universities, 2013, 26(3): 57-61.

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