Our news editors obtained a quote from the research from KAUST, "Models based on cone shape of nanowires located in circular and rectangular bases were used to calculate the reflectance using the transfer matrix formalism (TMF) of PSiNWs layer. The modeling of the reflectance permits to explain this value by taking account into the shape of the nanowires and its porosity. Optical absorbance and transmission were also theoretically studied. The absorbance was superior to that obtained with silicon nanowires and the ultimate efficiency was about equal to 25% for normal incidence angle."
According to the news editors, the research concluded: "These results could be applied to the potential application in low-cost and high efficiency PSiNWs based solar cells."
For more information on this research see: Study of optical absorbance in porous silicon nanowires for photovoltaic applications. Applied Surface Science, 2013;283():828-832. Applied Surface Science can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae
The news editors report that additional information may be obtained by contacting
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