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Sigma Aldrich Graphene ink for spin/spray coating photonically annealable

Catalog No. 90096010ML Shop All MilliporeSigma Sigma Organic Chemistry Products
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90-096-010ML 10 mL
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

Spin-coating:Spin-coating a single layer at 2000-5000 rpm yields a final film thickness of 40-60 nm. To achieve thicker films, multiple layers can be applied without a baking step. This is recommended over using a lower spin speed to maintain film uniformity.Electrical performance:Following a baking step at 300°C for 30 minutes in air, the spin-coated films exhibit sheet resistance of 300-800 Omega/sq, corresponding to a resistivity of 0.003-0.004 Omega-cm. With 5 coats at 2000 rpm, a 200 nm thick film with a sheet resistance of 160 Omega/sq. is obtained.General guidelines:Ethanol is recommended for cleaning up the ink and dried films, as well as dilution. Bath sonication (5-10 minutes) of the ink prior to use is recommended following extended periods of disuse.Sold under Materials Transfer Agreement with Mark Hersam group at Northwestern University.

Specifications

Density 0.78-0.88 g/mL at 25°C
Boiling Point 78°C (ethanol)
Quantity 10 mL
Synonym Conductive ink; Graphene ink
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