国家/地区 中国（2）
IPC部 B（3） C（3）
IPC大类 B82（3）
IPC小类 B82Y（3） C09K（3） C01B（2）
C08K（2） C08L（2）
IPC B82Y020/00（3）
发明人
公开年 2022（3）
申请年 2021（3） 
专利权人

Producing photoluminescence material involves placing plastic piece into working solution which is water, applying micro-plasma onto surface of the working solution, and degrading the plastic piece into multiple smaller molecular and graphene quantum dot.

CHIANG W, WENG R, WENG R J

Preparing light-emitting diode packaging material for emitting white light under excitation of deep ultraviolet light, involves uniformly mixing blue and yellow nitrogen-doped graphene/carbon quantum dots in epoxy resin solution.

LIN J, WANG L, WU X, DU H, CAI X, WEI X, FAN J, YIN X, ZHANG C, LIN T

Preparing graphene quantum dot used for preparing polyphenylene sulfide-graphene quantum dot composite material for electronic appliance or communication equipment or automobile field, involves placing brown-black humic acid.

ZHAO L, LI C, WANG C, ZHEN W