Name: Graphene Oxide Powder
SKU: 371654

2D Material for Processing at High Concentrations

High quality and high purity (99.5%) single layer graphene oxide

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Graphene oxide (CAS number 1034343-98-0) is one of the most popular 2D materials available. This is due to the wide range of fields that it can be applied to. It has a distinct advantage over other 2D materials (such as graphene), as it is easily dispersed within solution; allowing for processing at high concentrations. This has opened it up for use in applications such as optical coatings, transparent conductors, thin-film batteries, chemical resistant coatings, water purification, and many more.

Ossila have two types of graphene oxide powders available, with flake sizes between 1 - 5 µm.

High Purity

99.5% purity graphene oxide

Worldwide Shipping

Quick and reliable shipping

Low Price

Affordable graphene oxide powders

Easy Dispersion

For high concentrations

General Information

CAS number	N/A
Chemical formula	C_xH_yO_z
Recommended Solvents	H₂O, DMF, IPA
Synonyms	Single layer GO, Few-layer GO, GO
Classification or Family	2D semiconducting materials, Carbon nanomaterials, Graphene, Organic electronics

Single-Layer Graphene Oxide Powders

Product Code	M0880A1
Flake Size	~ 2 μm
Flake Thickness	~ 1 nm
Single Layer Ratio	>99%
Purity	>99.5%
Appearance	Black/Brown Sheets/Powder

Few-Layer Graphene Oxide Powders

Product Code	M0880A2
Average Number of Graphene Layers	2 – 5 layers
Flake Size/Diameter	4.5 µm
Surface Area	420 m²/g
Purity	99.8%
Appearance	Dark grey/brown powder

MSDS Documents

Pricing Table

Batch	Quantity	Price
M0880A1	250 mg	[[price gbp="240"]]
M0880A1	500 mg	[[price gbp="380"]]
M0880A2	250 mg	[[price gbp="90"]]
M0880A2	500 mg	[[price gbp="140"]]
M0880A2	1 g	[[price gbp="220"]]
M0880A2	2 g	[[price gbp="355"]]

SEM Images of flakes on silicon

Dispersion Guide

Due to the presence of oxygen and hydroxide groups, the dispersibility of this material is significantly better than other 2D materials (such as graphene). High concentrations of GO can be dispersed in polar solvents, such as water. At Ossila, we have found that the most stable solutions can be produced using the following recipe:

Weigh out desired amount of material, this can go up to at least 5 mg.ml^-1.
Add 1:1 ratio of deionized water to isopropyl alcohol.
Shake vigorously to break up material.
A short treatment in an ultrasonic bath will rapidly disperse the material.
For larger flakes, use a mechanical agitator instead (as sonication may damage the flakes).

References

An improved Hummers method for eco-friendly synthesis of graphene oxide, J. Chen et al., Carbon 64, 225-229 (2013);
Synthesis of few-layered, high-purity graphene oxide sheets from different graphite sources for biology, D. A. Jasim et al., 2D Mater. 3, 014006 (2016); doi:10.1088/2053-1583/3/1/014006.
Preparation and Characterization of Graphene Oxide, J. Song et al., J. Nanomater., 276143 (2014);

The chemistry of graphene oxide, D. R. Dreyer et al., Chem. Soc. Rev., 39, 228–240 (2010); DOI: 10.1039/b917103g.
Preparation of small-sized graphene oxide sheets and their biological applications, M. Zhang et al., J. Mater. Chem. B, 4, 121 (2016); DOI: 10.1039/c5tb01800e.
Graphene Oxide: Preparation, Functionalization, and Electrochemical Applications, D. Chen et al., Chem. Rev., 112, 6027−6053 (2012); dx.doi.org/10.1021/cr300115g.
Preparation of Graphitic Oxide, W. Hummer et al., J. Am. Chem. Soc., 80 (6), 1339–1339 (1958); DOI: 10.1021/ja01539a017.
Improved Synthesis of Graphene Oxide, D. C. Marcano et al., ACS Nano, 4 (8), 4806–4814 (2010); DOI: 10.1021/nn1006368.
Fast and fully-scalable synthesis of reduced graphene oxide, S. Abdolhosseinzadeh et al., Sci. Rep., 5:10160 (2015); DOI: 10.1038/srep10160.

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