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 |
||||
