900448

Graphene dispersion

≥0.2 mg/mL in DMF, sheet resistance 2 kΩ/sq, avg. no. of layers, 1 ‑ 3

• Synonym(s): Conductive ink, Electrochemically exfoliated graphene ink, Graphene ink
• UNSPSC Code: 12141908
• NACRES: NA.23

Properties

• description: Dispersion in DMF
• Quality Level: 100
• 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: ≥0.2 mg/mL (electrochemically exfoliated graphene); ≥0.2 mg/mL in DMF
• greener alternative category: Enabling,

Description

General description

• Graphene preparation method: electrochemical exfoliation.
• Graphene thickness by AFM: ∼80% 1-3 layers.
• Sheet size by AFM: 5-10 μm.
• Oxygen content: 5.5 at.% (C/O-ratio: 17.2).
• Raman I_D/I_G ratio: 0.25.
• Sheet resistance: 2 kΩ/sq.
• Typical properties of films produced thereof (after dilution to 0.1 mg/mL and dry transfer from PTFE-filter):

6 nm film: 91% transmittance, sheet resistance of 24.2 kΩ/sq (as made), 7.9 kΩ/sq (after 30 min, 200 °C), <1 kΩ/sq (conc. HNO₃-treatment).
16 nm film: 73% transmittance, sheet resistance of 7.6 kΩ/sq (as made), 1.8 kΩ/sq (after 30 min, 200 °C), <500 Ω/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.

Safety Information

• Pictograms: GHS02,GHS08,GHS07
• Signal Word: Danger
• Hazard Statements: H226,H312 + H332,H319,H360D
• Precautionary Statements: P210 - P280 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Flam. Liq. 3 - Repr. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 131.0 °F
• Flash Point(C): 55 °C