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W demonstrate a technique for improving the conversion efficiency in conventional silicon (Si) solar cells by using surface plasmon resonance (SPR) effects to harvest incident light energy over metal finger electrodes. Although the light absorption region beneath the metal finger electrodes cannot generate photocurrent, in this study, we employ the extraordinary transmission phenomenon, due to SPR...
Si nanowire (NW)-based photovoltaic devices were fabricated using NWs grown at various temperatures. It was found that the average length and average diameter of the NWs increased as the growth temperature was increased from 450°C to 620°C. It was also found that the NWs became sparser with increasing growth temperature. The reflectance spectra and I-V characteristics indicate that the average reflectances...
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