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Application Of Silicon Nanohair Textured P-N Junctions In A Photovoltaic Device, Michael Small
Application Of Silicon Nanohair Textured P-N Junctions In A Photovoltaic Device, Michael Small
Electronic Theses and Dissertations
The goal of this project is to design and develop a fabrication process for a silicon photovoltaic device which incorporates a nanohair textured p-n junction. The silicon nanowires are etched into a silicon wafer, comprising an epitaxial p-layer on n-substrate, via metal-assisted chemical etching (MACE). The resulting nanowires contain p-n junctions that lie along the length of the vertical nanowires. This construct has the potential to increase the optical bandwidth of a silicon photovoltaic device by allowing a greater amount of short wavelength light to reach the junction. In addition, the MACE method of nanofabrication has the potential for decreasing …