国家/地区 中国（3）
IPC部 C（3）
IPC大类 C23（3）
IPC小类 C23C（3）
IPC H01J001/304（3）
发明人 LI K（2） LI Z（2） SONG G（2）
公开年 2016（2）
申请年 2016（2） 
专利权人 UNIV QINGDAO.（2）

Preparing diamond-multilayer graphene composite cathode material e.g. used in emission display, involves grinding silicon substrate in diamond powder uniformly and compactly, putting grinded silicon substrate into suspension liquid made of diamond powder.

LIU H, GUAN L, WANG B, ZHANG W, XIONG Y

Nitrogen-doped graphene silicon dioxide coaxial nanotube field-emission cathode has amorphous silicon dioxide layer coaxially coated on outer wall of graphene tube, to form graphene-based nanocomposite structure.

SONG G, LI Z, LI K

Preparation of nitrogen-doped graphene silica coaxial nanotube used as field emission cathode materials involves reacting solid melamine and mixed powder of silicon and silica with graphite substrate impregnated catalyst.

LI K, LI Z, MENG A, ZHANG M, SONG G