期刊
CARBON
卷 198, 期 -, 页码 110-118出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2022.07.026
关键词
Carbon nanotubes; Self-assembly; Multiscale assembly; Honeycomb-like networks; Molecular dynamics simulation
资金
- National Natural Science Foundation of China [51875450, 52022078, 51735010]
- State Key Laboratory for Manufacturing Systems Engineering (Xi'an Jiaotong University) [sklms2022002]
- Shaanxi Provincial Key Research and Development Program [2019ZDLGY01-09, 2021ZDLGY10-02]
This study proposes a programmable multiscale assembly strategy for honeycomb-like networks of carbon nanotubes (CNTs), which allows for the assembly of nonlinear hexagonal structures using self-assembly methods. The honeycomb-like CNTs networks with adjustable dimensions were successfully prepared, and they exhibited high transparency and conductivity, making them suitable for flexible conductive electrodes.
In order to meet the growing demand for high performance flexible transparent conductive electrode, starting from its hierarchical structure, a programmable multiscale assembly strategy of CNTs for honeycomb-like networks is proposed to hope to improve its performance. The analysis shows that the self-assembly method can realize the CNTs assembly of nonlinear hexagonal structure by constructing the pattern of SAMs. In this paper, a molecular dynamics model at atomic level is established for studying the self-assembly behavior to analyze its mechanism and the influencing factors of the CNTs distribution morphology. Then the process procedures are investigated to prepare multiscale honeycomb-like CNTs networks with size programmable on functionalized SiO2 substrate, while the accuracy of the molecular dynamics model is confirmed. Finally, the conductivity, transparency and transferability of the honeycomb-like CNTs networks are exploited and proved to be suitable for flexible conductive electrode with higher transparency than the CNTs film. This paper paves the way for the study of properties programmable related to the structure of CNTs assembly. Future work towards scalable and stable preparation of honeycomb-like CNTs networks will further validate them as a promising alternative to the traditional CNTs transparent conductive electrode and continue to make efforts in the field of photovoltaic and electrical sensing.
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