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Merck

763705

Graphene oxide dispersion

greener alternative

2 mg/mL,dispersion in H2O, avg. no. of layers, 1

Synonym(s):

graphene oxide aqueous dispersion

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About This Item

Linear Formula:
CxOyHz
UNSPSC Code:
12352103
NACRES:
NA.23

Key Documents

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Product Name

Graphene oxide, 2 mg/mL, dispersion in H2O, avg. no. of layers, 1

SMILES string

O=C(O)C1C2=C3C4=C5C6=C7C8=C9C%10=C%11C(C%12=C%13C%10=C%14C8=C%15C6=C%16C4=C%17C2=CC(C(O)=O)C%18=C%17C%19=C%16C%20=C%15C%21=C%14C%22=C%13C(C%23=C%24C%22=C%25C%21=C%26C%20=C%27C%19=C%28C%18=CC(C(O)=O)C%29=C%28C%30=C%27C%31=C%26C%32=C%25C%33=C%24C(C%34=C%35C

InChI

1S/C140H42O20/c141-131(142)26-13-23-15-44-62(140(159)160)45-16-24-14-40-31(132(143)144)5-1-29-41-20-48(135(149)150)56-33-7-3-28-27-2-6-32-55-37(133(145)146)11-9-35-60(138(155)156)42-17-25-18-43-61(139(157)158)36-10-12-38(134(147)148)58-46-21-50(137(153)154)59-47-22-49(136(151)152)57-34-8-4-30-39(19-26)51(23)78-72(44)88-75(45)80-52(24)79(54(29)40)95-71(41)83(56)101-93-69(33)64(28)91-90-63(27)68(32)92-86(66(35)55)73(42)81-53(25)82-74(43)87(67(36)58)96-76(46)85(59)103-97-77(47)84(57)102-94-70(34)65(30)89(78)105-104(88)115-98(80)111(95)116(101)126-122-110(93)107(91)120-119-106(90)108(92)99(81)114-100(82)112(96)118(103)128(124(114)119)123-113(97)117(102)127(130(122)129(120)123)121(109(94)105)125(115)126/h2,5,7-10,12-22,26,38,48-50H,1,3-4,6,11H2,(H,141,142)(H,143,144)(H,145,146)(H,147,148)(H,149,150)(H,151,152)(H,153,154)(H,155,156)(H,157,158)(H,159,160)

InChI key

VTWITIAIMADGRM-UHFFFAOYSA-N

form

dispersion in H2O

feature

avg. no. of layers 1

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

concentration

2 mg/mL

refractive index

n20/D 1.333

density

0.981 g/mL at 25 °C

greener alternative category

, Enabling

Quality Level

100

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Related Categories

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.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". High concentrated graphene oxide sheets provide the prerequisite viscosity to bind the electrode materials together and enable 3D printing. Using water as a green solvent makes this aqueous ink system feasible for processing and drying safety and low cost. Click here for more information.

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.

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.

Preparation Note

Product may aggregate over time to form larger particles. Sonicate before use if single layer graphene oxide required.

Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

763705-VAR: + 763705-25ML: + 763705-100ML: + 763705-BULK:

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX8962
MKCW6035
0000321996
MKCV4798
0000321996

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Jin Ok Hwang et al.
ACS nano, 6(1), 159-167 (2011-12-14)
Graphene is a promising candidate to complement brittle and expensive transparent conducting oxides. Nevertheless, previous research efforts have paid little attention to reduced graphene, which can be of great benefit due to low-cost solution processing without substrate transfer. Here we
N-doped graphitic self-encapsulation for high performance silicon anodes in lithium-ion batteries.
JunaLee, Won, et al.
Energy & Environmental Science, 7(2), 621-626 (2014)
Goki Eda et al.
Advanced materials (Deerfield Beach, Fla.), 22(22), 2392-2415 (2010-05-01)
Chemically derived graphene oxide (GO) possesses a unique set of properties arising from oxygen functional groups that are introduced during chemical exfoliation of graphite. Large-area thin-film deposition of GO, enabled by its solubility in a variety of solvents, offers a
Michał S Barski et al.
Nature communications, 11(1), 5043-5043 (2020-10-09)
Human T-cell lymphotropic virus type 1 (HTLV-1) is a deltaretrovirus and the most oncogenic pathogen. Many of the ~20 million HTLV-1 infected people will develop severe leukaemia or an ALS-like motor disease, unless a therapy becomes available. A key step
Nitish Sathyanarayanan et al.
Nature communications, 10(1), 4127-4127 (2019-09-13)
Substrate channeling is a mechanism for the internal transfer of hydrophobic, unstable or toxic intermediates from the active site of one enzyme to another. Such transfer has previously been described to be mediated by a hydrophobic tunnel, the use of
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