Nanonet-Based Hematite Hetero-Nanostructures for Solar Energy Conversions and Methods of Fabricating Same
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Jan 13, 2012
filing date -
Jan 14, 2011
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Abandoned
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Abstract
Nanonet-based hematite hetero-nanostructures (100) for solar energy conversions and methods of fabricating same are disclosed. In an embodiment, a hetero-nanostructure (100) includes a plurality of connected and spaced-apart nanobeams (110) linked together at an about 90° angle, the plurality of nanobeams (110) including a conductive silicide core having an n-type photo-active hematite shell. In an embodiment, a device (1100) for splitting water to generate hydrogen and oxygen includes a first compartment (1120) having a two-dimensional hetero-nanostructure (1125), the hetero-nanostructure having a plurality of connected and spaced-apart nanobeams, each nanobeam substantially perpendicular to another nanobeam, the plurality of nanobeams including an n-type photoactive hematite shell having a conductive core; and a second compartment (1110) having a p-type material (1115), wherein the first compartment (1120) and the second compartment (1110) are separated by a semi-permeable membrane.
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