国家/地区 中国（4） 印度（2）
IPC部 B（6） C（6） G（4）
IPC大类 B82（6）
IPC小类 B82Y（6） C09K（6） G01N（4）
C01B（2）
IPC B82Y020/00（6）
发明人 BERA M K（2） SHARMA V D（2） WANG Y（2）
公开年 2023（6）
申请年 2023（6）
专利权人 UNIV MAHARIS.（2）

Purifying quantum dot useful in light emitting device and electronic device, comprises e.g. providing a quantum dot solution, freezing the quantum dot solution, performing solid-liquid separation, and discarding solid impurities.

LIU Q, NIE Z

Making luminescent nanocomposite based on nitrogen and calcium co-doped carbon quantum dots doped bioplastic used for down-conversion application in optical display, light-emitting diode and UVC tube, involves gathering mustard (Brassica) flowers from nearby agriculture field, cleaning thoroughly.

BERA M K, VISHAL, SHARMA V D

Preparation of graphene quantum dots used as e.g. fluorescent (closed) probe, involves carbonizing sea rice, dispersing in alkali solution, oxidizing with hydrogen peroxide, adjusting pH to neutrality, filtering, and dialyzing.

ZHENG C, LIANG Z, KANG X, WU Y, LUO X, LUO K, WEN Y

Preparing near-infrared fluorescent probe for selectively recognizing glutathione, involves subjecting pyrene to nitric acid reflux and hydrothermal reaction to obtain stock solution of aminated graphene quantum dots, filtering, dialyzing, and freeze drying.

CHEN J, CHEN H, WANG Y, YIN H, ZHAO L, WU M, XIE J

Preparing metal nitrogen-doped graphene quantum dot composite material useful e.g. for preparing ammonium perchlorate catalyst, by e.g. dissolving organic acid and organic amine in solvent, carrying out hydrothermal reaction, adding soluble metal salt, dialyzing, and freeze-drying.

YIN Z, WANG Y, JIANG L, FU X, XU J, NIE F

Preparing fluorescent carbon quantum dots for forensic analysis and anti-counterfeiting ink, involves filtering formed juice of Pyrostegia venusta flower petals, microwave treating, cooling formed fluid, filtering supernatant solution, adding corn flour and embedding quantum dots in flour matrix.

BERA M K, SINGH V, SHARMA V D, KANSAY V, SINGLA G