国家/地区 中国（26）
IPC部 C（26）
IPC大类 C01（26） C09（26） B82（10）
H01（2）
IPC小类 C01B（26）
IPC C09K011/65（26）
发明人 CHEN Y（4） WANG Y（3） YANG P（3）
GAO H（2） JIANG W（2） LI F（2）
LI X（2） LI Z（2） LIU Y（2）
PAN D（2） QIAN F（2） TANG L（2）
TIAN R（2） WANG C（2） WANG H（2）
公开年 2017（26）
申请年 2017（15）  2016（9）  2015（2） 
专利权人 UNIV NANJING.（2） UNIV SHANGHA.（2） UNIV YUNNAN .（2）

Preparing graphite quantum dot by sugar precursor at low temperature comprises e.g. mixing sugar monomer in alkaline aqueous solution, reacting to obtain graphene quantum dot mother liquor, dialyzing or filtering and spray.

LU H, ZHANG J, CHEN Y, PAN Y, LIN S

Preparation of tricolor fluorescent graphene quantum dot powder involves dissolving citric acid and reducing agent into deionized water, dispersing, subjecting into ultrasonic extraction and purification, and drying.

LU G, LV N, SHI G, WANG Y, XIE X

Preparing fluorescent graphene oxide quantum dots comprises e.g. preparing aqueous dispersion of quantum dots of graphene oxide and mixing aqueous dispersion of quantum dots of graphene oxide with alcohol or carbonyl-containing compound.

XIANG B, ZHU X

Preparing graphene quantum dot based on leather waste comprises crushing leather waste, adding distilled water and hydrazine hydrate, ultrasonically processing, hydrothermal reaction of dispersion liquid in PTFE reactor and filtering.

ZHANG W, MA J, WEI L, BAO Y, WANG Z

Method for controlling photoluminescence of quantum dots, involves controlling photoluminescence properties of graphene quantum dots by controlling time of mercury lamp irradiation operation.

LIU F, XU X, KONG W, GAO F, BAI X

Preparation of graphene quantum dot by cutting foamed nickel substrate, ultrasonically cleaning, constant temperature heating, sending methane gas, cooling, immersing in nitric acid solution and washing with deionized water.

WANG X, LIU Q, CHEN Y, TIAN Z

Preparation of water-dispersible nitrogen doped graphene quantum dot involves taking graphite oxide, reducing agent and nitrogen source, dispersing in water, ultrasonicating, performing hydrothermal reaction, and freeze drying.

LI Y, XIE H, HOU C, WANG H, ZHANG Q

Preparing graphene quantum dot involves dispersing graphite oxide in ethanol solvent to form uniformly dispersed graphene oxide solution, adding hydrogen peroxide to obtain solution and subjecting to ultraviolet radiation with intensity.

ZHU X, DENG G

Preparation of graphene quantum dot used for photoluminescence diode involves taking natural graphite powder, adding sodium nitrate, concentrated sulfuric acid and potassium permanganate, stirring, heating, filtering, washing and drying.

CHEN W, ZHANG Q, HUANG Z, XIANG C, QIN Y, ZHENG Z, ZHANG W, ZHANG B

Preparing nitrogen doped graphene quantum dot involves adding carbon and nitrogen source into round bottom flask, and mixing uniformlym, stirring round bottom flask, and heating until mixture is in molten state.

YE B, TIAN C, YAN Z