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Merck

900450

Graphene dispersion

greener alternative

1 mg/mLin DMF, sheet resistance 4.8 kΩ/sq, avg. no. of layers, 1 ‑ 3

Synonym(s):

Conductive ink, Electrochemically exfoliated graphene ink, Graphene ink

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About This Item

UNSPSC Code:
12141908
NACRES:
NA.23
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Product Name

Graphene dispersion, 1 mg/mL in DMF, sheet resistance 4.8 kΩ/sq, avg. no. of layers, 1 ‑ 3

description

Electrodes

form

dispersion

feature

avg. no. of layers 1 ‑ 3

greener alternative product characteristics

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

sustainability

Greener Alternative Product

concentration

1 mg/mL (electrochemically exfoliated graphene), 1 mg/mL in DMF

greener alternative category

Quality Level

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General description

  • Graphene preparation method: electrochemical exfoliation.
  • Graphene thickness by AFM: 80%, 1-3 layers.
  • Sheet size by AFM: Few micrometers
  • Oxygen content: 7.5% (by XPS) (C/O-ratio: 12.3).
  • Raman I_D/I_G ratio: 0.4.
  • Sheet resistance: 4.8 kΩ/sq.
  • Typical properties of films produced thereof (after dry transfer from PTFE-filter):
15 nm film: 85% transmittance, sheet resistance of 16 kΩ/sq (as made), 4.1 kΩ/sq (after 30 min, 200 °C), <1 kΩ/sq (conc. HNO3-treatment).
25 nm film: 73% transmittance, sheet resistance of 8 kΩ/sq (as made), 2.4 kΩ/sq (after 30 min, 200 °C), <1 kΩ/sq (conc. HNO3-treatment).
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". Graphene inks are highly conductive, low cost and super flexible. Click here for more information.

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Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

139.0 °F

flash_point_c

59.44 °C


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.

Class I Designated Chemical Substances

prtr

Group 4: Flammable liquids + Type 2 petroleums + Hazardous rank III + Water insoluble liquid

fsl

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

900450-BULK: + 900450-20ML: + 900450-5ML:4548174009932 + 900450-VAR:

jan


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Khaled Parvez et al.
Journal of the American Chemical Society, 136(16), 6083-6091 (2014-04-02)
Mass production of high-quality graphene sheets is essential for their practical application in electronics, optoelectronics, composite materials, and energy-storage devices. Here we report a prompt electrochemical exfoliation of graphene sheets into aqueous solutions of different inorganic salts ((NH4)2SO4, Na2SO4, K2SO4

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The European Green Deal and Circular Economy Action Plan address resource challenges with eco-products and circulatory work, while the revised EU Ecodesign Directive promotes e-waste reduction and natural resource value reform. This review examines renewable substrates and conductive materials for flexible electronics.

無機2次元層状材料はエレクトロニクスやエネルギー分野で注目されており、デバイス応用へ向けた大規模合成法の開発が活発に行われています。特にグラフェン以外の半導体材料に重点を置いて、その合成法における最新の進歩について簡単に紹介します。

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