国家/地区 中国（14） 美国（2）
IPC部 C（15）
IPC大类 C01（15） C09（15） B82（11）
G01（2） H01（2）
IPC小类 C01B（15）
IPC C09K011/65（15）
发明人 LIU Y（15）
公开年 2014（3） 2018（3） 2022（3） 2017（2）
申请年 2021（3）  2013（2）  2017（2）  2018（2）  2022（2） 
专利权人 UNIV SHANGHA.（2） UNIV SHANGHA.（2）

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Detecting aniline comprises e.g. taking fluorescent graphene nanoribbon i.e. 2-(pyren-2-yl)hexabenzo(bc,ef,hi,kl,no,qr)coronene compound, then dispersing the graphene nanoribbons in organic reagent to form suspension, adding the sample to be tested, detecting the fluorescence intensity of liquid.

DAI F, FANG J, LIU Y

Micro-LED apparatus for use in system that may be incorporated in e.g. cell phone, has light-emitting device on substrate, and a set of red emission carbon quantum dots comprising single- or multi-layer of nitrogen-doped graphene particles.

LIU Y, CHENG L

Preparing controllable graphene by using an electrode and magnetic field to adjust ion intercalation, involves placing electrolytic device in room temperature environment and then graphite sheet is placed distance as electrolytic electrode.

CAO D, TIAN W, LIU Y

Preparing cell nucleus self-targeting fluorescent probe useful e.g. in the field of bioimaging technology comprises dispersing 1,5-diaminonaphthalene, ethanol and chloroform to obtain reaction liquid, reacting, cooling and filtering.

LI W, REN G, LIU Y, XU Y, JIANG N, SUN X

Biomass-based high-efficiency fluorescent graphene quantum dot comprises nitrogen source, polyvalent metal ion, composite carbon source, and water.

LIU Y, WU Y

Preparation of graphene quantum dots comprises mixing precursor with molecular sieve, treating mixed solution by hydrothermal method, centrifuging, stirring and desorbing graphene quantum dots.

CHEN A, LIU Y, JIANG B, WANG K, WANG X

Separating and purifying graphene quantum dots by using a molecular sieve comprises e. g. mixing the initial graphene quantum dot solution and the molecular sieve to obtain a reactant, centrifuging the reactant and adding desorbing agent.

CHEN A, LIU Y, QI P, WANG K, WANG X

Extracting graphene quantum dots from carbon nanohorn by adding carbon nanohorn powder to three-necked bottle, adding nitric acid solution, magnetically stirring, heating mixture, carrying out heat preservation reaction, and reacting.

JIA D, SUN Z, LIU Y, LI H, LUO Q, LIANG J

Preparation of graphene quantum dot solution used for graphene quantum dot security ink by adding phenol organic substance into anhydrous ethanol, completely dissolving, transferring into hydrothermal reaction kettle and reacting.

SUN Y, WANG C, LIU Y, JIN J, ZHAO G