Fig. 3From: Silicon Nanowires for Solar Thermal Energy Harvesting: an Experimental Evaluation on the Trade-off Effects of the Spectral Optical Properties a Measured spectral absorptivity (A), reflectivity (R), and transmissivity (T) of plain silicon substrate (Si) and silicon nanowires (Si NW). b Black silicon nanowire array plate fabricated and used for the drying experimentBack to article page