国家/地区 中国（6）
IPC部 C（3） G（3） B（2）
H（2）
IPC大类 G01（3） B82（2） C01（2）
IPC小类 B82Y（2） G01N（2）
IPC G01N019/02（2）
发明人 MA T（6）
公开年 2017（4） 2016（2）
申请年 2016（6）
专利权人 UNIV TSINGHU.（3） UNIV BEIJING.（2） UNIV BEIJING.（2）

Preparation of nitrogen-doped graphene comprises preparing graphene oxide in ammonia water solution, sonicating, centrifuging, washing, and drying.

SUN Z, YAO H, DING J, ZHANG Y, MA T, GAO Y

Graphene film ball probe for atomic force microscope, has needle tip provided with spherical substrate and graphene layer, where graphene layer covers surface of spherical substrate and graphene layer is made of pure graphene.

HU Y, LIU S, LUO J, MA T, ZHANG C

Method for obtaining friction coefficient between heterogeneous materials by using graphene film ball probe, involves comparing interlayer friction with load change to obtain coefficient of friction between graphene and material layers.

HU Y, LIU S, LUO J, MA T, ZHANG C

Graphene film ball preparation method, involves scattering silicon oxide microsphere on surface of substrate, and forming graphene layer on surface of silicon oxide microsphere within predetermined reaction time.

LIU S, LUO J, MA T, WANG H, YU G

Method for preparation of manganese ferrite-graphene composite material, involves adding graphite oxide 2-pyrrolidone, adding ferric acetylacetonate, manganese acetylacetonate and octadecylamine and adding organic solvent.

MA S, MA T, SUN G, YUAN M

Preparation of iron-nickel alloy nano-cluster-graphene composite material used for absorbing electromagnetic waves, involves adding graphite oxide and dispersing in organic solvent and adding ferric acetylacetonate and octadecylamine.

MA S, MA T, YANG Y, SUN G