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Specific characterization of CNTs (Sigma-Aldrich code: 755125, Nanocyl Inc., Belgium) and methods of measurements.
| Property | Unit | Value | Method of Measurement |
|---|---|---|---|
| Average diameter | 10−9 m | 9.5 | TEM |
| Average length | μm | 1.5 | TEM |
| Carbon content | % | >87 | TGA (thermal gravimetric analyzer) |
| Surface area | m2/g | 500 | BET (Brunauer, Emmett, and Teller) |
| –COOH groups (surface modification) | % | 10 | XPS (X-ray photoelectron spectroscopy) |
