Abstract
The hybrid solar cells have been receiving great attention as a promising candidate for the next generation of energy-harvesting devices. In this study, we present some results on the fabrication and characterization of n-type silicon micro-pyramid (SiMPs)/poly (3,4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT:PSS) hybrid solar cells. SiMPs were prepared by a chemical etching method and their influence on the performance of the hybrid solar cells was investigated. The obtained results showed that the micro-pyramidal structures could provide an adequate generation of charge carriers by relatively low reflectance. The hybrid solar cell using SiMPs showed a power conversion efficiency (PCE) to be 5.24% which improves about 40% compared to that of the planar Si solar cell (3.68%). Besides, the effect of AuNP concentrations on the performance of the hybrid solar cell was also investigated. The maximum PCE was measured to be 7.55% with a device containing 0.5 wt% AuNP concentration, which is 44% higher compared to that of the solar cells without AuNPs. The enhancement is attributed to the increase in electrical conductivity and localized surface plasmon resonance of the PEDOT:PSS coating layer due to the addition of the AuNPs.
Published Version
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