A comparative study regarding the behavior of graphene, porous graphene and graphenylene monolayers under high energy impact is reported. Our results were obtained using a computational model constructed to perform investigations of the dynamics of high velocity fullerenes colliding with free standing sheets of those materials. We employed fully reactive molecular dynamics simulations in which the interatomic interactions were described using ReaxFF force field. During the simulations, free standing monolayers of the investigated materials were submitted to collision with a C60 fullerene molecule at impact angles within the range $0°\le \theta \le 75°$. We considered kinetic energies in the range $0eV\le E_k\le 1500eV$, that corresponds to a projectile velocity v in the range $0\AA /fs\le v\le 0.2\AA /fs$. Also, the failure dynamics of each one of the 2-dimensional materials is described in a comparative analysis in which relevant differences and unique features observed in the mechanical stress dissipation processes are highlighted. Finally, performing hundreds of simulations we were able to map many possible scenarios for these collisions and to construct diagrams that elucidate, for each one of the materials, the possible behaviors under the action of a highly energetic C60 projectile as a function of energy and incident angle.

报道了在高能量冲击下关于石墨烯，多孔石墨烯和石墨烯单层的行为的比较研究。我们的结果是使用计算模型获得的，该计算模型被构建为对高速富勒烯与这些材料的独立板碰撞的动力学进行研究。我们采用了完全反应性的分子动力学模拟，其中使用ReaxFF力场描述了原子间的相互作用。在模拟过程中，所研究材料的独立式单层分子以一定的冲击角与C60富勒烯分子发生碰撞$0°\le \theta \le 75°$。我们认为动能在$0ËV\le {Ë}_{ķ}\le 1500ËV$，它对应于范围内的射弹速度v$0\mathrm{一种}/Fs\le v\le 0.2\mathrm{一种}/Fs$。同样，在比较分析中描述了每种二维材料的失效动力学，其中突出了在机械应力耗散过程中观察到的相关差异和独特特征。最后，通过执行数百次仿真，我们能够绘制出许多可能的碰撞场景，并构建了图表，以阐明每种材料在高能C60弹丸的作用下作为能量和入射函数的可能行为。角度。