Fig. 1From: Growth and Photovoltaic Properties of High-Quality GaAs Nanowires Prepared by the Two-Source CVD MethodComparison between the one-source and two-source growth methods. a, c Growth schematics and SEM of GaAs NWs grown by the one-source configuration. b, d Growth schematics and SEM of GaAs NWs grown by the two-source configuration. e XRD patterns. f NW diameter distribution histogramsBack to article page