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Nanostructured thermoelectric elements, other ultra-high aspect ratio structures and hierarchical template methods for growth thereof
Nanostructured thermoelectric elements, other ultra-high aspect ratio structures and hierarchical template methods for growth thereof
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机译:纳米结构热电元件,其他超高纵横比结构及其生长的分层模板方法
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摘要
A method is disclosed for producing elements ultra-low diameter, ultra-high aspect ratio nanowires. A hierarchical template with ordered and arrayed nanopores either freestanding or on a support material is provided. The template can be pre-shaped. Optionally, one or more compounds can be layered within the nanopores to reduce the diameters thereof. The template is filled with material to form a nanostructure array configured as ultra-low diameter, ultra-high aspect ratio nanowires with a diameter of less than 10 nm. The optional layering is self-initiated by selectively adjusting pH of a coating material. The nanostructure array may be supported in a lower thermal conductivity material. The method can be used to produce elements that function as a phonon-confined thermoelectric device, a photovoltaic device and a battery.
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