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796034

Sigma-Aldrich

Graphene oxide

powder, 15-20 sheets, 4-10% edge-oxidized, avg. no. of layers, 15 ‑ 20

Sinónimos:

graphite oxide

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About This Item

Fórmula lineal:
CxOyHz
Código UNSPSC:
12352103
ID de la sustancia en PubChem:
329768525
NACRES:
NA.23

Nivel de calidad

100

Formulario

powder

Características

avg. no. of layers 15 ‑ 20

solubilidad

water: dispersible (polar solvents)

densidad aparente

~1.8 g/cm3

cadena SMILES

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)

Clave InChI

VTWITIAIMADGRM-UHFFFAOYSA-N

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Descripción general

  • Form: Brown/Black powder
  • Bulk Density: ~1.8 g/cm3
  • Solubility: Dispersible in water and polar solvents
  • Number of layers: 15-20
  • Oxidation: 4-10%
The material basically consists of exfoliated graphene nanoplatelets containing functional organic groups. The oxygen content is less than 5%; the majority groups are hydroxyls (OH), which enables further chemical modifications to add new functionalities. The functionalization approach was designed to attach most of the groups on the border of the foils, aiming to preserve the intrinsic properties of graphene (e.g.: electric conductivity).

Aplicación

The product is aimed for dispersion and/or incorporation in polar solvents (e.g.: water, THF and DMF) and polar polymeric matrices (e.g.: PLA, PA and PET). It is suitable for in situ polymerization, direct resin mixing and molding, solvent dissolution, extrusion processing after incorporation. Potential applications include:
  • Nanocomposites [1,2]
  • Anti-corrosion coatings [3,4]
  • Films with barrier properties [5,6]
  • Membranes for separation [7,8]
  • Conductive inks [9,10]
  • Energy storage [11,12]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000351899
MKCW1866
MKCV8984
0000351899
0000270747

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Beatriz Salesa et al.
Nanomaterials (Basel, Switzerland), 10(2) (2020-01-30)
Alginate-based materials hold great promise in bioengineering applications such as skin wound healing and scaffolds for tissue engineering. Nevertheless, cell adhesion of mammalian cells on these hydrophilic materials is very poor. In cases such as polycaprolactone, poly(hydroxy-3-butyrate-co-3-valerate) and gelatin, the
M M Abdel-Mottaleb et al.
Journal of the mechanical behavior of biomedical materials, 96, 118-124 (2019-04-30)
In this work, Polyacrylonitrile nanofibers were enhanced by graphene oxide and zinc oxide, in terms of enhanced the photocatalytic activity and mechanical properties for the composite nanofibers. Photocatalytic degradation of two organic dyes methylene blue dye and indigo carmine dye
Belén Frígols et al.
PloS one, 14(3), e0212819-e0212819 (2019-03-08)
Alginate is considered an exceptional biomaterial due to its hydrophilicity, biocompatibility, biodegradability, nontoxicity and low-cost in comparison with other biopolymers. We have recently demonstrated that the incorporation of 1% graphene oxide (GO) into alginate films crosslinked with Ca2+ cations provides
Transport properties of zigzag graphene nanoribbons with oxygen edge decoration
Zhang CX, et al.
Organic Electronics, 13(11), 2494- 2501 (2012)
Farzaneh Besharat et al.
Nanotechnology, 31(15), 155701-155701 (2019-12-21)
In recent years, in order to obtain improved mechanical, thermal, electrical and barrier/transport properties, aligned carbonaceous nanomaterials/polymer nanocomposite films have been receiving growing attention. Correspondingly, the edge oxidized graphene oxide (EOGO) nanoplatelets alignment influence on the structure of the polyethersulfone
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