Graphite carbon nitride nanotube array photoelectrode, preparation method of array photoelectrode and application

A graphite-type carbon nitride and nanotube array technology, which is applied in the direction of electrodes, nanotechnology, nanotechnology, etc., can solve the problems of photoelectrodes without nanostructures, low photoelectric performance, and small specific surface area
CN106978595AActive Publication Date: 2017-07-25THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
Publication Date
2017-07-25

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Abstract

The invention discloses a graphite carbon nitride nanotube array photoelectrode, a preparation method of the array photoelectrode and application in solar energy photoelectrochemistry decomposition water generation oxygen serving as a photo-anode. The diameters and lengths of graphite carbon nitride nanotubes in the graphite carbon nitride nanotube array photoelectrode can be adjusted, the diameter range is 20nm-170nm, and the length range is 400nm-2500nm. The graphite carbon nitride nanotube array photoelectrode is obtained by high-temperature condensation polymerization in an inert atmosphere with anodized aluminum supported by a conductive substrate as a template and with concentrated cyanamide solutions as a precursor. The graphite carbon nitride nanotube array photoelectrode has a large specific area and more surface activity sites, serves as the photo-anode to be applied in solar energy photoelectrochemistry decomposition water generation oxygen, and has excellent performance.
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Description

technical field

[0001] The invention belongs to the field of organic semiconductor materials and nanotechnology, and relates to a graphite-type carbon nitride nanotube array photoelectrode, its preparation method and application, in particular to a graphite-type carbon nitride nanotube array photoelectrode, its preparation method and Use as a photoanode in solar photoelectrochemical splitting of water to generate oxygen. Background technique

[0002] Graphite carbon nitride (g-CN for short) is a polymer semiconductor composed of only two non-metallic elements, C and N, and is widely used in Photodegradation of pollutants, photocatalytic decomposition of water to produce hydrogen. So far, g-CN photocatalysts with various nanostructures including mesoporous g-CN, g-CN nanorods, and g-CN nanotubes have been reported. They generally have a larger specific surface area and more surface active sites, thus showing excellent photocatalytic performance.

[0003] The related resear...

Claims

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