Fig. 3

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 experiment
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 experiment