Facilitated CO2 transport membranes utilizing positively polarized copper nanoparticles.

We suggest copper nanoparticles as a CO(2) carrier by employing the ionic liquid BMIM(+)BF(4)(-) for facilitated transport membranes. The copper nanoparticles were prepared by dissociating the copper metal into the ionic liquid as a facile synthesis. The interactions between BF(4)(-) of the ionic liquid and the surface of copper nanoparticles caused the Cu surface to be partially positively charged, resulting in increased activity in copper-CO(2) complexation. This journal is © The Royal Society of Chemistry 2012