Title:
Piezoelectric-coated Carbon Nanotube Generators
Piezoelectric-coated Carbon Nanotube Generators
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Abstract
A generator includes a first conductive layer, a plurality of elongated piezoelectric nanostructures and a conductive electrode. The piezoelectric nanostructures extend upwardly from the first conductive layer and include a carbon nanotube core and a piezoelectric sheath enveloping at least a portion of the carbon nanotube core. Each piezoelectric nanostructure includes a first end disposed adjacent to the first conductive layer and an opposite second end. The conductive electrode is disposed adjacent to the second end of each of the piezoelectric nanostructures. The conductive electrode is configured so that a Schottky barrier is formed between the second end of at least one of the piezoelectric nanostructures and the conductive electrode when a force is applied to the generator that causes the conductive electrode to touch the piezoelectric nanostructures and to induce stress in the piezoelectric nanostructures.
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Date Issued
9/20/2011
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Patent