Quotation request form

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

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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
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NPL and NGI Graphene characterisation service quotation request form

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NPL and NGI Graphene characterisation service quotation request form