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Strongly Raman shifting silicon and diamond particles were investigated. Diffuse reflecting films were prepared with each particle system. The diffuse reflecting films provided the necessary long light path lengths for the observation of Raman scattering by photovoltaic cell. Germanium photovoltaic cells were used with silicon particles and diamond particles were used silicon solar cells to better...
We report on the properties of microcrystalline silicon-germanium (muc-Si1-xGex:H) alloy and solar cells fabricated using very high frequency plasma-enhanced chemical vapor deposition (VHF PECVD). p+nn+ structures are deposited at 275-300degC using mixtures of silane, 10%germane (rest is hydrogen) and hydrogen. Raman and XRD techniques were used to determine the crystalline nature of the films. From...
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