国家/地区 中国（2）
IPC部 G（2）
IPC大类 G01（2）
IPC小类 G01N（2）
IPC
发明人
公开年 2023（2）
申请年 2022（2） 
专利权人 UNIV SHAANXI SCI TECHNOLOGY（2）

Preparing purple phosphorene/graphene gas sensor for detecting ppb level formaldehyde at room temperature, comprises combining phosphorene and graphene by vacuum filtration method to obtain phosphorene/graphene composite material, and coating conductive electrode.

WEI M, YANG Z, ZHENG X, QIANG H, QI M, CHEN M, YE X

Preparing graphene oxide collagen crown composite hydrogel comprises e.g. adding polyvinyl alcohol to glycerol solution to obtain polyvinyl alcohol/glycerol solution, adding konjac gum and collagen crown solution, stirring, pouring into mold, freezing and thawing.

YANG J, WANG J, HE T, WEI D, CAO X, LV S