Graphene dispersion

REF : 900450-20ML
Marca : Sigma-Aldrich
Descrição :Graphene dispersion 1 mg/mL in DMF, sheet resistance 4.8 kOmega/sq
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Descrição detalhada : . 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 kOmega/sq.. Typical properties of films produced thereof (after dry transfer from PTFE-filter): 15 nm film: 85% transmittance, sheet resistance of 16 kOmega/sq (as made), 4.1 kOmega/sq (after 30 min, 200 C), <1 kOmega/sq (conc. HNO3-treatment).25 nm film: 73% transmittance, sheet resistance of 8 kOmega/sq (as made), 2.4 kOmega/sq (after 30 min, 200 C), <1 kOmega/sq (conc. HNO3-treatment).
Sinónimos : Conductive ink; Electrochemically exfoliated graphene ink; Graphene ink
Armazenamento : NoTempLimit
Embalagem : 1X20ML