Method and structure for thin film photovoltaic materials using semiconductor materials
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United States of America Patent
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Aug 11, 2015
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Nov 15, 2007
app pub date -
May 14, 2007
filing date -
May 15, 2006
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Abstract
A photovoltaic device and related methods. The device has a nanostructured material positioned between an electron collecting electrode and a hole collecting electrode. An electron transporting/hole blocking material is positioned between the electron collecting electrode and the nanostructured material. In a specific embodiment, negatively charged carriers generated by optical absorption by the nanostructured material are preferentially separated into the electron transporting/hole blocking material. In a specific embodiment, the nanostructured material has an optical absorption coefficient of at least 103 cm−1 for light comprised of wavelengths within the range of about 400 nm to about 700 nm.
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