国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（3） C23（2） C30（2）
IPC小类 C01B（3） C23C（2） C30B（2）
IPC C01B032/17（2）
发明人 LI Y（2）
公开年 2023（6）
申请年 2021（4） 
专利权人 UNIV PEKING（6）

Preparing a metal wafer substrate involves forming metal thin film on the sapphire substrate by magnetron sputtering, and annealing under mixed atmosphere of hydrogen and argon.

PENG H, YANG Y, CAO Y, TANG J, YAN R, DU Y

Growing single crystal III-nitrides on ceramic substrate comprises e.g. depositing filling material on surface of ceramic substrate, grinding and polishing to obtain smooth surface, and/or forming aluminum-oxygen compound layer or two-dimensional material layer on surface.

GUO F, YANG H, CHEN Z, WU J, SHEN B, YANG X

Load type iridium-ruthenium alloy nanosheet catalyst used in electrocatalysis oxygen evolution reaction, comprises carrier and iridium-ruthenium alloy nano sheet loaded on carrier.

TAO L, GUO S

Removing metal impurities in carbon material involves performing heat treatment, mixing carbon material and metal salt, and sequentially washing heat-treated mixture with acid and washing with water to obtain purified carbon material.

ZHU S, LI Y

Method for manufacturing clean surface carbon nano-tube for use in nano-electronics field, involves preparing a multi-wall carbon nano tube, cutting outer tube of multi-wall carbon nano tube, and exposing clean inner tube to obtain carbon nano-tube with clean surface.

CHEN Y, LI Y

Transferring method of film graphene, involves attaching side of graphene film/silicon resin layer/organic adhesive layer/graphene film composite to target substrate, and removing organic adhesive layer with organic solvent, removing metal substrate to obtain polymer film/silicon resin /glue layer.

LIN L, DING Q, ZHONG H, LIU Z