Quotation request form

Company name*:

Contact first name*:

Contact last name*:

Telephone*:

Address:

Postcode:

Email*:

Additional notes:

Material*:

Graphene Graphene oxide Reduced graphene oxide Functionalised graphene Other Please also confirm material safety datasheet shall be provided

Form*:

Flakes (powder) Flakes (liquid) Sheets (on a substrate) If sheet, please confirm piece of reference substrate shall be provided Other

(Terms are defined in ISO/TS 80004-13:2017)

Number of samples*:

Amount/Size of samples*:

(Flakes must be minimum 5g, liquid dispersion's must be a minimum of 100ml, Sheets/Substrate can be provided from 5x5mm to 2x2 wafer)

Request characterisation:

Structural (Flakes) - Lateral flake size, thickness/number of layers, level of disorder Chemical (Flakes) - C:O ratio, chemical species, functional groups Structural (Sheets) - Substrate coverage, number of layers, level of disorder Chemical (Sheets) - Chemical species Electrical (Sheets, Ambient) - Carrier type, carrier concentration, 4-point resistance, carrier mobility Electrical (Sheets, Vacuum) - Carrier type, carrier concentration, 4-point resistance, carrier mobility Electrical (Sheets, Gas) - Carrier type, carrier concentration, 4-point resistance, carrier mobility Other

Interpretation report:

Measurement results interpretation & commentary

Interpretation report commenting on the material properties and the suitability of the material for selected application(s). (For measurement results interpretation, structural & chemical characterisation is required).

Applications*:

Barriers/Coatings Transparent electronics Composites Inks Membranes Other

Handling of material after measurements:

Store securely for future reference/use Return Dispose

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NPL and NGI Graphene characterisation service quotation request form