Reflectance spectrum of diamond‐like carbon/porous silicon double‐layer antireflection coatings designed for silicon solar cells

Abstract

In this study, our purpose was to investigate the possibility of using a diamond-like carbon/ porous silicon double-layer antireflection coating which is characteriazed by low reflectance, in order to enhance the performance of silicon solar cells and to protect them from various external influences. Experimental results obtained from reflectance measurements showed the possibility of achieving low reflectance value. Theoretical simulations of the reflectance spectra were carried out. The comparison of the reflectance spectrum of such diamond-like carbon/porous silicon double layer antireflection coating with spectra obtained from other types of coating layers showed a much lower reflectance within larger energy range including the UV, visible and infrared regions of the solar spectrum.

Photoelectrochemical Deposition of Silicon–Carbon Layer on P-Type Semiconductors and Aluminum–Copper Alloy in Ionic Liquid

“…Si-C structures are also promising for increasing the light-harvesting performance of silicon-based solar devices. Low reflectance values were determined for diamond-like carbon/porous silicon systems within the UV, visible, and IR regions [22]. The C-SiC system improved the efficiency of solar cells up to 1.5 times [23].…”

Monolithic integration of a p-n junction and porous silicon host matrix for next generation photovoltaics

“…Furthermore, integration efforts of a newly developed proximity rapid thermal diffusion process based on reports from [6][7][8] allows for shallow, strongly doped regions which extend throughout the macroporous silicon (MPS) host matrix to form the final 3-D p-n diode. To our knowledge, PS has only been used as an antireflection or surface passivation layer for solar cells [9][10][11][12][13] and the work herein is the first report of a 3-D diode with an effective internal surface area on the order of thousands of cm 2 /cm 3 .…”