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Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O 25 mL

Stok Kodu
LB.SA.763705-25ML
Kısa Bilgi
Synonym(s): graphene oxide aqueous dispersion Linear Formula: CxOyHz
Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O 25 mL
Synonym(s): graphene oxide aqueous dispersion
Linear Formula: CxOyHz
NACRES: NA.23
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Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O
PROPERTIES
form dispersion in H2
Quality Level 100 
feature avg. no. of layers 1 
greener alternative product characteristics
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry. 
concentration 2 mg/mL 
refractive index n20/D 1.333 
density 0.981 g/mL at 25 °C 
greener alternative category Enabling
 
DESCRIPTION
General description
- Chloride free (purified by dialysis)
- Monolayer sheet
- sheet diameter <10 micron
Graphene oxide (GO) is a one atom thick 2D carbon material with excellent thermal, mechanical, and electrical properties due to its unique structural and morphological features. GO can be easily dispersed in aqueous and polar organic solvents to facilitate its practical use. It can be synthesized by modified Hummer’s method. It can be applied in the fields of drug delivery, energy storage, oil-water separation, immobilization catalysis, desalination, and solar cells.
Application
Because of the presence of oxygen-containing functional groups and acidic nature, GO can serve as both carbocatalyst as well as a supporting scaffold for various catalytically active species. GO can facilitate many organic transformations such as the oxidation of sulfides, olefins, and various hydrocarbons, Friedel–Crafts reaction, Aza–Michael additions, condensation, and ring-opening polymerization. 
It can be used as a support for biocatalysis in organic solvents. For example, carboxyl-functionalized graphene oxide can act as a support to immobilize Yarrowia lipolytica lipase. The immobilized enzyme exhibits a high efficiency for the resolution of the racemic compound in the organic solvent. 
It can also be used as a hole transport layer in organic photovoltaic cells.
Packaging
25, 100 mL in glass bottle
Features and Benefits
- Good solution processability
- Hydrophilic and easily dispersed in water
- Low production cost
- Presence of rich active oxygen-containing functional groups
- It can be easily functionalized
Large surface area, high chemical stability, good charge carrier properties.[1]
Preparation Note
Product may aggregate over time to form larger particles. Sonicate before use if single layer graphene oxide required.
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Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O 25 mL Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O 25 mL LB.SA.763705-25ML
Sigma-Aldrich 763705 Graphene oxide 2 mg/mL, dispersion in H2O 25 mL

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