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900708

Graphene quantum dots

blue luminescent, 1 mg/mL in H2O

Synonym(s):

GQD

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About This Item

CAS Number:
7440-44-0
UNSPSC Code:
12352200
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description

topographic height: 1-2.0 nm

form

suspension

concentration

1 mg/mL in H2O

color

colorless

diameter

<5 nm

fluorescence

λex 350 nm; λem 445 nm FWHM 65 nm, quantum yield >65%

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

General description

Graphene quantum dots (GQDs), sheets of few-layered graphene and lateral dimensions smaller than 100 nm, possess strong quantum confinement and edge effects. Thus, they possess unique physical properties such as strong photoluminescence, which can be tailored for specific applications by controlling their size, shape, defects, and functionality. In contrast to classic QDs, such as metal or silicon quantum dots, GQDs are biocompatible, photo-stable, and inherit superior thermal, electrical, and mechanical properties from the graphene. These features can greatly contribute to various state-of-the-art applications:
  • Optical brighteners.
  • Taggants for security application.
  • Bio-imaging markers.
  • Fluorescent polymers.
  • Antibacterial, antibiofouling, disinfection systems.
  • Heavy metals, humidity and pressure sensors.
  • Batteries.
  • Flash memory devices.
  • Photovoltaic devices.
  • Light-emitting diodes.

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Storage Class

12 - Non Combustible Liquids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ2322
MKCN8390
MKCM2748
MKCK8189
MKCJ5813

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Articles

石墨烯量子点：属性、合成及应用

阐释了石墨烯量子点的属性、合成及应用。GQD具有无毒性、良好溶解性、稳定的光激发光以及更好的表面接枝属性等优势。

Graphene Quantum Dots: Properties, Synthesis & Applications

Properties, synthesis & applications of Graphene Quantum Dots explained. GQDs have advantages of nontoxicity, good solubility, stable photoluminescence & better surface grafting.

Perovskite Quantum Dots Synthesis

Perovskite quantum dots research progresses overcoming challenges, enabling rapid development of light-emitting devices.

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An electrochemical avenue to green-luminescent graphene quantum dots as potential electron-acceptors for photovoltaics.
Yan Li et al.
Advanced materials (Deerfield Beach, Fla.), 23(6), 776-780 (2011-02-03)
Jianhua Shen et al.
Chemical communications (Cambridge, England), 48(31), 3686-3699 (2012-03-14)
Similar to the popular older cousins, luminescent carbon dots (C-dots), graphene quantum dots or graphene quantum discs (GQDs) have generated enormous excitement because of their superiority in chemical inertness, biocompatibility and low toxicity. Besides, GQDs, consisting of a single atomic

Global Trade Item Number

SKUGTIN
900708-50ML04061838111906