900448 Aldrich

Graphene dispersion

≥0.2 mg/mL in DMF, sheet resistance 2 kΩ/sq

Synonym: Conductive ink, Electrochemically exfoliated graphene ink, Graphene ink




50 mL in glass bottle

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).

Legal Information

Sold under Material Transfer Agreement with Xinliang Feng group at TU Dresden.

Safety & Documentation

Safety Information

Signal word 
Hazard statements 
Precautionary statements 
UN 2265 3 / PGIII
WGK Germany 
Flash Point(F) 
131 °F
Flash Point(C) 
55 °C


Certificate of Analysis

Protocols & Articles


Recent Advances in Scalable Synthesis and Processing of Two-Dimensional Materials

1Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, Pennsylvania, 19104, USA 2School of Materials Science and Engineering, Nankai University, Tianjin, 300350,...
Deep Jariwala,1* Jian Zhu,2 Jung-Woo Seo,3 and Mark C. Hersam3*
Material Matters, 2018, 13.1
Keywords: Absorption, Adsorption, Catalysis, Centrifugation, Chemical vapor deposition, Crystallization, Degradations, Deposition, Diffusion, Electronics, Filtration, Ligands, Materials Science, Microscopy, Nanomaterials, Nucleic acid annealing, Oxidations, Photoexcitation, Photovoltaics, Purification, Recombination, Scanning electron microscopy, Semiconductor, Separation, Solar cells, Solvents, Sonication, Sublimation

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Probing Dirac Electron Physics in Graphitic Materials Webinar

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Peer-Reviewed Papers


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Video of Printing with Graphene Ink