Graphene Institute

BUY – GRAPHENE POWDERS (DRY GRAPHENE NANOPLATES AND NANOFLAKES)

ParametersGraphene powder №1 IG-GNP-1Graphene powder №2 IG-GNP-2Graphene powder №3 IG-GNP-3
Graphene purity> 99%> 96%> 93%
Defects densityVery lowLowLow
Number of layers3-73-94-9
Content of Sp2> 91%> 90%> 90%
Thickness of graphene flakes (plates)1,5-3 nm2-4 nm3-5 nm
Lateral sizeto 50 μmto 30 μmto 20 μm
Electrical conductivity5·105 Ohm/m(7-9)·104 Ohm/m(2-3)·104 Ohm/m
Thermal conductivity2200-3400 W/m·К1700-2400 W/m·К1300-2100 W/m·К
Optical transparency, %918681
True density1,9–2,2 g/cm31,9–2,2 g/cm31,9–2,2 g/cm3
Content of hybridized carbon> 91%> 91%> 91%
ColourPractically blackPractically blackPractically black
Market prices$8 – $17/g$8 – $17/g$8 – $17/g
Our price$6.00/g$5.00/g$4.00/g
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Notes on market prices:

Manufacturer/SellerTimesnano, Chinese Academy of ScienceGraphene SupermarketAlibaba.comXFNANOSigmaaldrich.com
Price$8.00/g$9.00-$11.00/g$8.00-$13.00/g$11.00-$15.00/g$12.00-$17.00/g