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806625

Sigma-Aldrich

Graphene nanoplatelets

powder, polycarboxylate functionalized, hydrophilic

Sinonimo/i:

GNPs, graphenit-HYDRO

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About This Item

Formula empirica (notazione di Hill):
C
Peso molecolare:
12.01
Codice UNSPSC:
12352103
NACRES:
NA.23

Descrizione

Dispersibility: water (high stability in aqueous medium)

Livello qualitativo

100

Forma fisica

powder

Composizione

Carbon, >70 wt. %
Oxygen, >10 wt. %

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Descrizione generale

Graphene nanoplatelets are “pure carbon” very lipophilic, with a high tendency to aggregate and poor interactions with the surrounding matrix, hence difficult to disperse in processes and supports such as epoxy resin, thermoplastics or solvents such as water. The chemical modification on the surface of graphite nanoplatelet open new properties allowing good interaction with the targeted matrix. Without these chemical modifications the dispersion step became a difficult task and quite often do not produce the expected benefits.

Applicazioni

  • Graphene (nano)composite materials
  • Conductive coatings
  • Conductive Inks
  • Energy Storage
  • Electrode materials

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H319,H335

Classi di pericolo

Eye Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Chang-Hsiao Chen et al.
Nanomedicine : nanotechnology, biology, and medicine, 9(5), 600-604 (2013-01-26)
A graphene-based flexible microprobe developed by microelectromechanical system technology shows high resolution for the detection of electrophysiological signals from various bio-objects. The hydrophilization post-treatment using steam plasma was performed on the graphene surface to decrease the interfacial impedance between graphene
Solid-state functionalization of graphene with amino acids toward water-dispersity: implications on a composite with polyaniline and its characteristics as a supercapacitor electrode material
Erdenedelger et al.
Journal of Material Chemistry A, 2(31), 12526-12534 (2014)
Maria Suarez-Diez et al.
Scientific reports, 10(1), 3232-3232 (2020-02-26)
Graphene nanomaterials have attracted a great interest during the last years for different applications, but their possible impact on different biological systems remains unclear. Here, an assessment to understand the toxicity of commercial polycarboxylate functionalized graphene nanoplatelets (GN) on the
Edge-carboxylated graphene nanoplatelets as oxygen-rich metal-free cathodes for organic dye-sensitized solar cells
Ju et al.
Energy & Environmental Science, 7(3), 1044-1052 (2014)

Articoli

3D Printing of Carbon Fiber-Reinforced Composites

3D printing is a type of additive manufacturing that can be used to rapidly fabricate components with highly customizable geometries.

3D Printing Graphene Ink: Creating Electronic and Biomedical Structures and Devices

Since its discovery little more than a decade ago,1 the two-dimensional (2D) allotrope of carbon—graphene—has been the subject of intense multidisciplinary research efforts.

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.