Simple procedure for growing highly-ordered nanofibers by self-catalytic growth
First Claim
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1. A method for manufacturing highly-ordered nanofibers comprising the steps of:
- depositing a plurality of metal nanoparticles through a plurality of nanometer holes of a template onto an electrode covered by the template;
removing the template to expose the metal nanoparticles on the electrode; and
oxidizing the metal nanoparticles to form a plurality of metal oxide nanofibers.
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Abstract
A low-cost, simple method for manufacturing highly-ordered nanofibers is provided. The feature of the procedure is using a self-catalytic mechanism. First of all, a porous membrane template is used as a filter to spread metal nanoparticles, which have a self-catalytic characteristic, onto a current collector. After removing, the membrane template, the nanoparticles grow and become highly-ordered nanofibers by heat treatment in an oxygen atmosphere. The nanofibers show superior field emission effects and are therefore ideal field emission sources.
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Citations
20 Claims
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1. A method for manufacturing highly-ordered nanofibers comprising the steps of:
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depositing a plurality of metal nanoparticles through a plurality of nanometer holes of a template onto an electrode covered by the template;
removing the template to expose the metal nanoparticles on the electrode; and
oxidizing the metal nanoparticles to form a plurality of metal oxide nanofibers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 18)
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11. A highly-ordered nanofiber made of a metal oxide, which is formed through a method comprising the steps of:
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depositing a plurality of metal nanoparticles through a plurality of nanometer holes of a template onto an electrode covered by the template;
removing the template to expose the metal nanoparticles on the electrode; and
oxidizing the metal nanoparticles to form a plurality of highly-ordered metal oxide nanofibers. - View Dependent Claims (12, 13, 14, 16, 17, 19, 20)
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Specification