The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 19, 2023
Filed:
Mar. 23, 2022
Yunnan Huapu Quantum Material Co., Ltd, Yunnan, CN;
Roi Optoelectronics Technology Co, Ltd., Shanghai, CN;
Chongqing Institute of East China Normal University, Chongqing, CN;
East China Normal University, Shanghai, CN;
YUNNAN HUAPU QUANTUM MATERIAL CO., LTD, Yunnan, CN;
ROI OPTOELECTRONICS TECHNOLOGY CO, LTD., Shanghai, CN;
CHONGQING INSTITUTE OF EAST CHINA NORMAL UNIVERSITY, Chongqing, CN;
EAST CHINA NORMAL UNIVERSITY, Shanghai, CN;
Abstract
Provided is a method for preparing a graphene material from an industrial hemp material by laser induction, which uses a skin, a stem and/or a root of industrial hemp as a carbon precursor-containing material and reduce the carbon precursor-containing material into graphene by laser induction, so as to prepare graphene, graphene quantum dots, a graphene mesoporous material and a graphene composite material.