国家/地区 中国（3）
IPC部 B（3）
IPC大类 B82（3）
IPC小类 B82Y（3）
IPC C01B032/184（3）
发明人 ZHANG F（3）
公开年
申请年 2022（2） 
专利权人 SHANGHAI NAT.（2）

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

Flexible nitrogen dioxide gas sensor, has surface flexible substrate is attached with reduction oxidation graphene layer and zinc oxide quantum dot layer in turn.

JIANG Z, YANG P, LU D, ZHAO L, SUN L, ZHAO N, ZHANG F, LIN Q

Preparing nano composite material of phosphorus-doped graphene, comprises weighing graphene oxide and diammonium phosphate, putting in beaker, adding deionized water, freezing and drying, and putting mixture into quartz boat.

ZHANG F, GE M, LIU P, CUI D