国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/19（4） C01B032/184（2） C01B032/194（2）
C09K011/65（2）
发明人 ZHANG F（4）
公开年 2023（3）
申请年 2022（4）
专利权人 SHANGHAI NAT.（3）

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparation of graphene-coated glass micro-powder used as phase change heat absorber, involves dispersing oxidized graphene in pure water, adding glass micro-powder, stirring, adding ammonium bifluoride solution, reacting, reducing oxidized graphene, washing generated gel, and drying.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

Preparation of graphene synergistic sol used for improving soil quality, involves adding flake graphite into mixed acid solution, adding intercalation agent, reacting, and ultrasonically dispersing to obtain graphene, adding dispersant, organic bentonite, and ultrasonically treating.

ZHANG J, ZHANG F, ZHENG B