国家/地区 韩国（3） 中国（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC C01B032/194（5）
发明人 KIM H（2） KIM H Y（2） KIM S K（2）
MI K H（2）
公开年 2022（5）
申请年 2021（3）  2022（2） 
专利权人 KOREA ELECTR.（2）

Method for one-step synthesis of cobalt tetraoxide nanowire/graphene airgel composite material used as electrochemical sensor electrode modification materials comprises mixing graphene oxide with cobalt nitrate hexahydrate solution, oxidizing, in situ preparation of cobalt tetraoxide nanowires.

WANG S, CHEN S, ZHAO Y, HAO Y, XU H

Direct growth method of multilayer graphene through pressure heat treatment, comprises forming etch stop layer, forming metal catalyst layer, forming amorphous carbon layer and directly growing multilayer graphene on seed layer.

KIM H, KIM S K, MI K H, YOO C S, JOJINWOO, KIM H Y, JEONJUNHYUCK, YUNSUNGHO, SUNG K H, LEE S M

Performing low-temperature direct growth method of multilayer graphene for manufacturing pellicle for extreme ultraviolet lithography, involves forming etch stopper on substrate, and forming seed layer on etch stopper, where seed layer is selected from boron nitride, or boron carbon nitride.

KIM H Y, CHO J W, KIM H M, KIM S G, KIM H K, KIM H, MI K H, KIM S K

Manufacturing graphene wrinkles using three-dimensional structure patterning process comprises etching transition metal thin film to form three-dimensional pattern and inserting into chemical vapor deposition chamber to synthesize graphene.

KIM J, WIMALANANDA M D S, LEE J M

Preparing nitrogen-doped modified graphene electrode material useful for absorbing electroreduction radionuclides, comprises e.g. mixing graphite powder and sodium nitrate with concentrated sulfuric acid, heating and stirring with potassium permanganate, stirring with hydrogen peroxide.

DING A, TENG Y, SHAO K, DOU J, GUO Y