  Geometry, stability, and thermal transport of graphene nanoquilts folded by
hydrogenation are studied using molecular dynamics simulations. The
hydrogenated graphene nanoquilts show increased thermodynamic stability and
better transport properties than folded graphene structures without
hydrogenation. For the two-fold graphene nanoquilt, both geometry and thermal
conductivity are very sensitive to the adsorbed hydrogen chains, which is
interpreted by the red-shift of PDOS. For the multi-fold nanoquilts, their
thermal conductivities can be tuned from 100% to 15% of pristine graphene, by
varying the periodic number or length. Our results demonstrated that the
hydrogenated graphene nanoquilts are quite suitable to be thermal management
devices.
