Effects of the support on the desorption kinetics of n-pentane from graphene: An ultrahigh vacuum adsorption study

Adsorption kinetics of n-pentane on physical vapor deposited graphene/Ru(0001), chemical vapor deposited (CVD) graphene/Cu, and CVD graphene/SiO2 was studied by thermal desorption spectroscopy. The adsorption kinetics was affected by the support with desorption energies increasing as graphene/SiO2 < graphene/Cu < graphene/Ru(0001).