900713
Graphene quantum dots
aqua green luminescent, powder
Synonym(s):
GQDs
About This Item
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Quality Level
description
topographic height: 1–2.0 nm
form
powder
diameter
<5 nm
fluorescence
λex 485 nm; λem 525 nm FWHM 70 nm, quantum yield >17%
InChI
1S/C
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
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Application
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.
- Bioimaging markers.
- Fluorescent polymers.
- Antibacterial, antibiofouling, disinfection systems.
- Heavy metals, humidity and pressure sensors.
- Batteries.
- Flash memory devices.
- Photovoltaic devices.
- Light-emitting diodes.
Storage Class Code
11 - Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Properties, synthesis & applications of Graphene Quantum Dots explained. GQDs have advantages of nontoxicity, good solubility, stable photoluminescence & better surface grafting.
Graphene nanoribbons (GNRs) are quasi-one-dimensional narrow strips of graphene comprised of sp2-hybridized carbon atoms arranged into hexagonal honeycomb lattice configurations.
Colloidal quantum dots (QDs) are solution-processable luminescent materials that can produce high-quality color in light emitting diodes (LEDs).
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