Thermal Conductivity of Two Types of 2D Carbon Allotropes: a Molecular Dynamics Study

Table 2 Mechanical properties of carbon allotropes

Properties	OPG-L	OPG-Z	Graphyne [56]	Graphene [56]	Unit
Young’s modulus	538 ± 1.7^z	492 ± 1.5^z	503.1 ± 0.9^z	856.4 ± 0.7^z	Gpa
Young’s modulus	648 ± 2.6^a	550 ± 2.08^a	525.0 ± 0.6^a	964.0 ± 0.6^a	Gpa
Ultimate strain (tension)	17.2%^z	10.9%^z	24.7%^z	18.3%^z
Ultimate strain (tension)	8.7%^a	7.9%^a	18.0%^a	12.4%^a
Ultimate stress (tension)	84.61^z	55.71^z	89.02^z	126.69^z	Gpa
Ultimate stress (tension)	48.99^a	41.50^a	68.79^a	104.4^a	Gpa