国家/地区 中国（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9）
IPC C01B032/186（5）
发明人 LIU Z（6） ZHANG J（6） PENG H（4）
LIN L（3） SUN L（3） SUN Y（2）
YANG L（2）
公开年 2018（9）
申请年 2017（4）  2018（3）  2016（2） 
专利权人 UNIV PEKING（9）

Graphene nano-patterned sapphire substrate has nano-patterned sapphire substrate which is provided with graphene layer on surface and nano-pattern of nano-patterned sapphire substrate is tapered, plate-like or concave.

LIU Z, CHEN Z, GAO P

Vacuum graphene transfer device useful for transferring the graphene film to the target substrate comprises e.g. shell set inside of vacuum cavity, lifting mechanism set in the shell and comprising pressing plate capable of lifting.

LIU Z, PENG H, LI Y, SUN L, ZHANG J, JIA K, LIU X

Preparation of ultra-clean graphene involves using chemical vapor deposition, and providing foam copper above growth substrate.

LIU Z, PENG H, LIN L, ZHANG J, SUN L

Preparation of graphene film involves placing high purity soluble salt into corundum boat, putting into CVD tubular furnace, vacuuming, filling inert gas, cleaning cavity, and introducing hydrogen, argon or nitrogen gas.

PENG P, WANG Z, TIAN Z, SONG J, LI M, REN L, FU Y

Preparing graphene involves putting foam copper in copper substrate, introducing carbon source gas and hydrogen to perform chemical vapor deposition, and depositing surface that contacts copper substrate with foam copper.

LIU Z, PENG H, LIN L, ZHANG J

Preparing graphene powder comprises e.g. reducing and preprocessing the crystalline flake graphite, then adding lithium and liquid ammonia to pretreated crystalline flake graphite, volatilizing liquid ammonia and adding water or dilute acid.

ZHANG J, YANG L, SUN Y, ZHAO F

Device for manufacturing graphene powder, has inlet and outlet system to introduce carbon source gas and inert gas into microwave chamber, and discharge reaction exhaust gas from main portion, and receiving system to store graphene powder.

ZHANG J, YANG L, SUN Y, LIU H, HAN D, HUANG H

Preparing ultra-clean graphene used in optical and electric field, involves adding copper substrate in tubular furnace, introducing carbon source gas and hydrogen for chemical vapor deposition and introducing carbon dioxide.

LIU Z, PENG H, ZHANG J, GU K, LIN L, SUN L

Preparation of large size graphene glass involves cleaning large size quartz glass, putting in high temperature tubular furnace, pumping reaction chamber, introducing argon gas and hydrogen gas, and reducing temperature to room temperature.

LIU Z, CHEN X, ZHANG Y