Table 1

BET surface areas obtained by adsorption of N2 at -196°C and amounts of CO2 and CO obtained by integration of areas under TPD spectra

Sample

CNTs

CNTox

CNTox400

CNTox900


BET surface area (m2/g)

254

400

432

449

pHPZC

7.3

4.2

6.9

7.4

CO2 (μmol/g)

70

778

230

24

CO (μmol/g)

193

1638

1512

204

CO/CO2

2.76

2.11

6.57

8.50


Carabineiro et al. Nanoscale Research Letters 2011 6:302   doi:10.1186/1556-276X-6-302

Open Data