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In the present paper, the reduced spectral reflectance properties of silicon micro/nanostructures are studied. In the aim of implementing a predictive reflectance simulation model based on surface topography, an alternative design method of an equivalent unit cell is proposed, where the dimensions and shape are determined based on statistical parameters of the sample topography. A good concordance...
In this paper we study the impact of the three-dimensional geometry of a micro/nanostructured silicon surface on its reflectivity under incident electromagnetic (EM) illumination. We simulate the optical reflectance of 3D micro/nano silicon cones of different dimensions. Based on the favorable simulation results, maskless textured silicon, called “black silicon” is processed by deep reactive ion etching...
In this paper we study the enhanced absorption properties of micro/nano structured silicon surface under incident electromagnetic (EM) illumination and then its capacity to convert light to heat. We then simulate the optical reflectance of the 3D micro/nano silicon cones of different dimensions. Equipped with the favorable simulation results we fabricate black silicon with excellent anti-reflectivity...
In this paper, we study the enhancement of silicon absorbing properties while microstructuring its surface with cones of variable size and spacing. We simulate the optical reflectance of the structures with spikes of different dimensions. Then random maskless textured silicon, called “black silicon” is processed by reactive ion etching (RIE) under cryogenic temperatures. Using this process, three...
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