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Abstract: This work outlines an effort to design and optimize a complete top
contact system for use with photovoltaic cells. The system will incorporate a transparent
conductor and a two-stage antireflective treatment. To create an economically sustainable
design, choice of materials is restricted to those that do not require large amounts of
rare-earth elements - specifically indium, which is... read morethe main ingredient in the current
industry-standard transparent conductor, indium-tin-oxide. The proposed system will use
niobium-doped titanium dioxide (TNO) as the conductor combined with a continuously graded
antireflective coating composed of titanium dioxide and silicon dioxide. To further
suppress reflection of incident light, the silicon dioxide surface will be etched to form a
nano-scale "moth's eye" pattern. This report details the first stage of the research
project which focuses on material characterization and conductor
fabrication.
Thesis (M.S.)--Tufts University, 2012.
Submitted to the Dept. of Electrical Engineering.
Advisor: Thomas Vandervelde.
Committee: Robert White, and Aleksandar Stankovic.
Keyword: Electrical engineering.read less
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