Carbon-based nanostructured composite films: Elastic, mechanical and optoelectronic properties derived from computer simulations

► Computer simulations of carbon-based nanostructured composites. ► Diamond composites show highest stability. ►Evidence of anisotropy in Young's moduli of nanotube composites. ► Identification of an inter-grain fracture mechanism in diamond composites. ► Dielectric function and optical response linked to disorder in diamond composites.