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Nanoscale Research Letters
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Table 2 Comparative summary of adsorption of molecules (adsorption energies in eV) on different 2D surfaces collected from literature vs on the penta-graphene surface

From: Penta-Graphene as a Potential Gas Sensor for NOx Detection

Surface Molecules
CO CO2 NH3 NO NO2
Penta-graphene − 0.05 − 0.10 − 0.11 − 0.44 − 0.75
Graphene [30, 37] − 0.01 − 0.05 − 0.03 − 0.03 − 0.07
Silicene [38] − 0.18 − 0.04 − 0.60 − 0.35 − 1.37
Germanene [39, 40] − 0.16 − 0.10 − 0.44 − 0.51 − 1.08
Phosphorene [36] − 0.32 − 0.41 − 0.50 − 0.86 − 0.60
MoS2 [41, 42] − 0.44 − 0.33 − 0.16 − 0.55 − 0.14
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