Figure 8From: Silicon and Germanium Nanostructures for Photovoltaic Applications: Ab-Initio ResultsDFT-LDA bandgap as a function of the inverse of the diameter of the wire for Si NWs (green line), Ge NWs (orange line) and for Abrupt SiGe NWs with x Ge = 0.5 (cyan line) (color online)Back to article page