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Influence of functionalization on the structural and mechanical properties of graphene

L.S. Melro1,2, L.R. Jensen1

Department of Materials and Production, Aalborg University, Aalborg, Denmark.
Corresponding author:

Computers, Materials & Continua 2017, 53(2), 109-127.


Molecular dynamics simulations were applied in order to calculate the Young’s modulus of graphene functionalized with carboxyl, hydroxyl, carbonyl, hydrogen, methyl, and ethyl groups. The influence of the grafting density with percentages of 3, 5, 7, and 10% and the type of distribution as a single cluster or several small clusters were also studied. The results show that the elastic modulus is dependent on the type of functional groups. The increasing coverage density also evidenced a decrease of the Young’s modulus, and the organization of functional groups as single cluster showed a lesser impact than for several small clusters. Furthermore, the bond length and angle distribution probability analyses reveal that lengths and angles are affected with increasing functionalization suggesting more out-of-plane displacements of the carbon atoms within the graphene structure.


Cite This Article

L. . Melro and L. . Jensen, "Influence of functionalization on the structural and mechanical properties of graphene," Computers, Materials & Continua, vol. 53, no.2, pp. 109–127, 2017.

This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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