Higher temperature activates porous material increasing adsorption
Posted by Ben Proudlove on Tue, Jun 29, 2010 @ 10:49 AM
New research carried out by the Kitagawa group has resulted in the development of a new porous coordination polymer that is essentially triggered (in terms of its adsorption behaviour) as temperature increases - opposite to the behaviour of most porous materials. Further work has shown that oxygen is adsorbed more as temperature increases, whereas little adsorption of argon takes place so potentially this material could be used for separation of argon and oxygen (normally difficult due to similarities of these molecules).
Further details on this work can be seen here where they used BEL volumetric and Rubotherm gravimetric systems in combination with other techniques for characterising the material.