国家/地区 中国（9）
IPC部 C（9） H（3） B（2）
IPC大类 C01（9） H01（3） B82（2）
IPC小类 C01B（9）
IPC C01B032/198（9）
发明人 ZHANG H（9）
公开年 2021（5） 2022（4）
申请年 2021（9）
专利权人 FUJIAN LANSH.（2） UNIV BEIJING.（2）

Preparing low-reflection graphene terahertz wave band sheet, comprises preparing oxidized graphene film, designing square Fresnel ring structure, and using laser direct writing technology to reduce the oxidation of graphene film.

ZHANG H, YANG Q, HUANG H, WU Y, LI Y, SUO Y, WEN Q

Preparation of graphene oxide dispersion includes mixing sulfuric acid and nitric acid in graphite powder, adding potassium chlorate powder, washing reaction product with deionized water and hydrochloric acid solution, dispersing graphite oxide in polar solvent and performing ultrasonic treatment.

YU Z, DENG Z, ZHANG Y, TANG P, ZHANG H

Graphene-supported noble metal powder used in Schottky device, involves mixing oxidized graphene solution, gold/platinum noble metal precursor solution and reducing agent i.e. ascorbic acid, hydrazine hydrate and sodium borohydride, and carrying out hydrothermal reduction reaction.

LIU Y, PU Z, WANG H, FENG J, LI Y, DUAN J, ZHANG H

Preparation of graphite alkene used as lubricating material, involves dispersing microcrystalline graphene with oxygen-containing functional group, soluble inorganic salt and nano-powder in water, and removing nano powder and drying.

WANG G, WANG X, LI J, LUO G, ZHANG H, ZHU Q, LIANG J, LI Y, GUO J

Graphene oxide film used as e.g. selective transmission film, includes main portion formed of graphene oxide with lamellar structure with oxygen-containing functional groups, where oxygen-containing functional group includes hydroxyl functional group, epoxy group and carbonyl functional group.

YU Z, ZHAO Z, TANG P, ZHANG Y, ZHANG H

Two-dimensional molecular crystal-graphene oxide heterojunction used in e.g. optoelectronic technology, and photoelectric synapses comprises semiconductor materials and nanomaterials composed of two-dimensional molecular crystals of planar conjugated organic small molecules and graphene oxide.

HUANG W, LI Y, ZHANG H, DONG X, LIU J

Photo-thermal synthesis of zinc oxide powder by preparing precursor solution by preparing solution with zinc acetate concentration, dripping aqueous ammonia, forming colorless and transparent aqueous solution, preparing graphene oxide composite zinc oxide powder and high temperature sintering.

XUE C, ZHANG Q, HUANG R, CHANG Q, LI N, LIU B, HU S, ZHANG H, WANG H, YANG J

Preparing carboxylated graphene comprises e.g. preparing graphene oxide solution, adding chloroacetic acid and sodium hydroxide, placing in water bath, stirring, vacuum filtering, washing and drying.

ZHANG J, LAN Q, XU H, ZHANG H, HUANG Y

Improved preparation process of sulfonated graphene comprises condensing and refluxing concentrated sulfuric acid, adding e.g. graphite powder, adding pre-oxidized product, adding hydrogen peroxide, ultrasonically processing and drying.

ZHANG J, LAN Q, ZHANG H, XU H, ZHANG M