Figure 6
CO2 adsorption–desorption isotherms for Timi-Cu measured at (a) 195 K (insert shows an enlargement of the low-pressure section); (b) 263, 273, 283 and 298 K; and (c) CO2, N2, H2 and CH4 adsorption–desorption isotherms for Timi-Cu measured at 273 K, and CO2, N2 and CH4 adsorption–desorption isotherms for (d) Timi-Cu, (e) Ttriaz-Cu and (f) Ttetraz-Cu measured under various pressures at 298 K. |