Polymer interfaces with carbon nanostructures: First principles density functional theory and molecular dynamics study of polyetheretherketone adsorption on graphene and nanotubes

Date

2021-04-01

Author

Toraman, Gozdenur
Sert, Elif
Gulasik, Hasan
Toffolı, Danıele
Toffoli, Hande
Gürses, Ercan

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The interface of polyetheretherketone (PEEK) with carbon nanotubes (CNTs) and graphene is investigated using density functional theory and molecular dynamics within the REAXFF-lg interatomic interaction framework. The dependence of PEEK adsorption energy on the polymer chain length, temperature, starting adsorption configuration of the fully stretched conformation, and on the nature of the substrate was investigated. Overall, the interface between graphene and the polymers yield larger adsorption energies than the CNTs. Adsorption energies decrease with increasing temperature while for the CNT substrates, there is a slight dependence on the initial relative orientation between the nanotubes and the extended polymer chain. This is the first study on this interface, to the best of the authors' knowledge, with such a wide spectrum of relevant variables.

URI

https://hdl.handle.net/11511/89383

Journal

COMPUTATIONAL MATERIALS SCIENCE

DOI

https://doi.org/10.1016/j.commatsci.2021.110320

Collections

Department of Chemistry, Article

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Citation Formats

G. Toraman, E. Sert, H. Gulasik, D. Toffolı, H. Toffoli, and E. Gürses, “Polymer interfaces with carbon nanostructures: First principles density functional theory and molecular dynamics study of polyetheretherketone adsorption on graphene and nanotubes,” COMPUTATIONAL MATERIALS SCIENCE, pp. 0–0, 2021, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/89383.