Patent · US Active

Ultra-long chiral carbon nanotube, method for preparing the same, application thereof, and high-performance photoelectric device

US11613466B2 · kind B2 · utility

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18Claims

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Assignee

TSINGHUA UNIVERSITY · CN

Inventors

Zhenxing Zhu · Beijing, CN
Fei Wei · Beijing, CN
Jun Gao · Mountain View, US
Silei Sun · Beijing, CN

Key dates

Filing date	Dec 22, 2020
Grant date	Mar 28, 2023
Priority date	—
Expiry date	Mar 20, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01B2202/36
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

This disclosure relates to the technical field of carbon nanotubes, provides an ultra-long chiral carbon nanotube and a method for preparing the same. The ultra-long chiral carbon nanotube has a diameter of about 1.5 nm to 5.5 nm and has a length of about 100 mm to 650 mm, the ultra-long chiral carbon nanotube includes a double-walled carbon nanotube and a triple-walled carbon nanotube, and each layer of the ultra-long chiral carbon nanotube is semiconducting and has a helix angle greater than 10°.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.