Significant efficiency enhancement in thin film solar cells using laser beam-induced graphene transparent conductive electrodes.
Thin film solar cells have been attractive for decades in advanced green technology platforms due to its possibilities to be integrated with buildings and on-chip applications. However, the bottleneck issues involved to consider the current solar cells as a major electricity source includes the lower efficiencies and cost-effectiveness. We numerically demonstrate the concept of the absorption enhancement in thin-film amorphous silicon solar cells using the laser beam-induced graphene material based on the insensitive polarization space-filling fractal design as transparent conductive electrodes. With the optimization of parameters such as thickness, width, and period of fractals, an enhancement of photocurrent generation of solar cells by a factor of 24.5% is achieved compared to reference solar cell with a traditional ITO.
Publisher URL: http://arxiv.org/abs/1802.01660
DOI: arXiv:1802.01660v1
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