Enhanced Adhesion of Carbon Nanotubes by Dopamine Modification

被引：41
作者：
Li, Weijun [1 ]
Li, Yang [2 ]
Sheng, Mao [1 ]
Cui, Shitong [1 ]
Wang, Zhihang [1 ]
Zhang, Xiaojie [1 ]
Yang, Chen [1 ]
Yu, Zhiyi [1 ]
Zhang, Yilin [3 ]
Tian, Shouceng [1 ]
Dai, Zhendong [2 ]
Xu, Quan [1 ]
机构：
[1] China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Mech & Elect Engn, Inst Bioinspired Struct & Surface Engn, Nanjing 210016, Peoples R China
[3] West Virginia Univ, C Eugene Bennett Dept Chem, Morgantown, WV 26506 USA
来源：
LANGMUIR | 2019年 / 35卷 / 13期
基金：
中国博士后科学基金; 美国国家科学基金会;
关键词：
GECKO; ARRAYS; SHEAR;
D O I：
10.1021/acs.langmuir.9b00192
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
According to the fact that gecko-inspired vertically aligned carbon nanotubes (VA-CNTs) exhibit ultrastrong adhesion, dopamine is utilized to make a modification to this traditional biomimetic material. The composite material is tested for adhesion performance under different environmental conditions by an atomic force microscope. The adhesion force of the modified VA-CNTs does not show obvious fluctuation during the gradual heating process; however, the material gains improved adhesion when increasing the ambient humidity. In addition, the modified CNTs show a stronger adhesion force than the original CNTs in their performance tests. The dopamine polymer has a good combination with CNTs, which is responsible for the aforementioned excellent performance. Overall, this modification method is simple, convenient, efficient, and environmentally friendly, which all indicates a promising future in its application. The modified CNTs are expected to be used for super-adhesion in harsh environments, as well as in the field of microelectronics.
引用
收藏
页码：4527 / 4533
页数：7
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