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900445

Sigma-Aldrich

Graphene, monolayer film

1 in x 1 in on copper foil, with PMMA coating, avg. no. of layers, 1

Synonim(y):

PMMA/Graphene/Cu

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About This Item

Kod UNSPSC:
12141908
NACRES:
NA.23

product name

Monolayer graphene film, 1 in x 1 in on copper foil, with PMMA coating, avg. no. of layers, 1

Poziom jakości

100

opis

Film Coverage: >98%
Monolayer coverage: ≥92% (optical)

Postać

film

jakość

Raman analysis-monolayer

Właściwości

avg. no. of layers 1

zanieczyszczenia

<2% (optical)

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Opis ogólny

A single-layer graphene film on a copper substrate.
This product is provided with a PMMA coating on top of the graphene in order to ease the transfer process and to avoid contamination. It′s a high quality product with great homogeneity.

Graphene film
  • Growth method: CVD synthesis
  • Appearance: Transparent film
  • Transparency: > 97%
  • Coverage: > 95%
  • Number of graphene layers: 1
  • Thickness (theoretical): 0.345 nm
  • FET Electron Mobility on Al2O3: 2000 cm2/Vs
  • FET Electron Mobility on SiO2/Si: 4000 cm2/Vs
  • Sheet Resistance on SiO2/Si: 450±40 Ω/sq (1cm x1cm)
  • Grain size: Up to 10 μm

Substrate Cu Foil
  • Thickness: 18 μm
  • Pre-treated for easier bottom layer removal: monolayer graphene on the back side of copper is partially removed, but not completely. Therefore, an additional treatment like RIE is needed before transfer to eliminate the bottom layer totally.

PMMA Coating
  • Spin coated for high homogeneity
  • Molecular weight: 495k
  • Thickness: <100 nm
  • PMMA model: 495K, A2

Zastosowanie

  • Graphene research
  • Flexible batteries
  • Electronics
  • Aerospace industry
  • MEMS and NEMS
  • Micro actuators
  • Conductive coatings
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Kod klasy składowania

13 - Non Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 2

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Wybierz jedną z najnowszych wersji:

Certyfikaty analizy (CoA)

Lot/Batch Number
MKCP3010
MKCL7278

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Masz już ten produkt?

Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Fabrication and Electrochemical Characterization of Single and Multi-Layer Graphene Anodes for Lithium-Ion Batteries.
Radhakrishnan G,et al.
Journal of the Electrochemical Society, 159(6), A752-A761 (2012)
Ultrathin rechargeable all-solid-state batteries based on monolayer graphene.
Wei D, et al.
Journal of Material Chemistry A, 1, 3177-3181 (2013)
Xuesong Li et al.
Science (New York, N.Y.), 324(5932), 1312-1314 (2009-05-09)
Graphene has been attracting great interest because of its distinctive band structure and physical properties. Today, graphene is limited to small sizes because it is produced mostly by exfoliating graphite. We grew large-area graphene films of the order of centimeters

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