Passa al contenuto
Merck
Tutte le immagini(2)

Key Documents

900708

Sigma-Aldrich

Graphene quantum dots

blue luminescent, 1 mg/mL in H2O

Sinonimo/i:

GQD

Autenticatiper visualizzare i prezzi riservati alla tua organizzazione & contrattuali
Tutte le immagini(2)

About This Item

Numero CAS:
7440-44-0
Codice UNSPSC:
12352200

Descrizione

topographic height: 1-2.0 nm

Forma fisica

suspension

Concentrazione

1 mg/mL in H2O

Colore

colorless

Diametro

<5 nm

Fluorescenza

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

InChI

1S/C
OKTJSMMVPCPJKN-UHFFFAOYSA-N

Cerchi prodotti simili? Visita Guida al confronto tra prodotti

Descrizione generale

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.

Codice della classe di stoccaggio

12 - Non Combustible Liquids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
MKCQ2322
MKCN8390
MKCM2748
MKCK8189
MKCJ5813

Non trovi la versione di tuo interesse?

Se hai bisogno di una versione specifica, puoi cercare il certificato tramite il numero di lotto.

Cerca un COA

Possiedi già questo prodotto?

I documenti relativi ai prodotti acquistati recentemente sono disponibili nell’Archivio dei documenti.

Visita l’Archivio dei documenti

I clienti hanno visto anche

Slide 1 of 1

1 of 1

Perovskite quantum dots oleic acid and oleylamine coated, fluorescence &#955;em&#160;530&#160;nm, 10&#160;mg/mL in toluene

Sigma-Aldrich

905062

Perovskite quantum dots

Cristina Stefanov et al.
Mikrochimica acta, 187(11), 611-611 (2020-10-17)
A gold nanoparticle/graphene quantum dots (AuNP/GQD) nanozyme-modified screen-printed carbon electrode (SPCE) was developed for fast and ultrasensitive determination of quercetin by square-wave voltammetry. The nanosensing device was inserted in miniaturized equipment. Under the optimal experimental conditions, a good linear relationship between
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

Articoli

Synthesis and Applications of Graphene Nanoribbons Synthesized

Synthesis and Applications of Graphene Nanoribbons Synthesized

Synthesis of Halide Perovskite Quantum Dots for Display Applications

Synthesis of Halide Perovskite Quantum Dots for Display Applications

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.