国家/地区 中国（10） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 C（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C09K011/65（11）
发明人 ZHANG L（11）
公开年 2014（3） 2017（2） 2018（2） 2020（2）
申请年 2014（3）  2016（2）  2017（2）  2020（2） 
专利权人 SHENZHEN YUE.（2） UNIV QUANZHO.（2）

Preparation of seaweed-derived chlorine-atom-doped graphene quantum dots used for cell imaging, involves dispersing activated seaweed waste as precursor, and ethanol/trichloromethane as mixed solvent, reacting, cooling, filtering, removing insoluble carbon products, dialyzing, and drying.

ZHANG L, JIANG N, ZHOU Y, LIU J, LI W

Preparing fluorescent graphene quantum dot powder used for preparing LED device, by dissolving thiourea in water, adding 1,3,6-trinitropyrene, dialyzing, dissolving melamine and paraformaldehyde, mixing with quantum dot solution, and drying.

CHEN Z, ZHANG L, XIANG B, CUI X, LIAO T

Preparing solid-state light-emitting graphene quantum dots for light-emitting diode devices, involves dissolving melamine and paraformaldehyde in water to obtain mixed solution A, and putting mixed solution A in water bath.

CHEN Z, ZHANG L, XIANG B, CUI X, LIAO T

Preparing tumor-targeting graphene quantum dot used for treating tumor, by reacting hydrazine and nitric acid, resuspending trinitronaphthalene in aqueous ammonia, performing ultrasonic reaction and covalently linking quantum dot.

QI L, CHENG R, LIN D, PAN T, YANG M, CHEN L, YAO Q, ZHANG L, DAI L

Graphene quantum dot useful in the field of fluorescence labeling imaging, drug delivery, disease diagnosis or analytical detection.

ZHANG L, LIN H

Preparation of graphene quantum dots useful in e.g. biomedicine applications, involves dispersing graphite oxide in organic solvent, adding aqueous ammonia or organic ethylenediamine solution and alkaline solution, and concentrating.

DAI Y, PANG H, ZHANG L, ZHONG B, SU Y, MAI Y, LIAO B

Preparation of graphene quantum dots of different oxygen content used in fluorescent material, involves dispersing graphene oxide in peroxide solution, mixing dispersion with lye, purifying to obtain powder, and performing gradient elution.

ZHANG L, ZHANG M

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L

Preparation of coal-based graphene quantum dots involves taking natural coal, crushing, mixing with strong acid, performing ultrasonic treatment, freezing, adding sodium nitrite, stirring, centrifuging, neutralizing and dialyzing.

SU Y, ZHANG L, ZHANG Y

Preparation of graphene quantum dots involves uniformly dispersing graphene oxide in solvent, reacting with reducing agent, cooling, separating solid, mixing with reducing polyhydroxyaldehyde and organic acid, and Lewis acid, and dispersing.

ZHANG L, ZHANG M