Outer surface interaction to drive cucurbituril-based supramolecular frameworks: possible application in gold recovery
Q-based honeycomb-like frameworks can be obtained in [AuCl4]- free aqueous HNO3 solution, aqueous HCl and HNO3 solutions that contain [AuCl4]-. The outer surface interaction of Q with planer inorganic anions [AuCl4]- and NO3- is the main driving force. These frameworks exhibit a high selectivity for imprisoning AuCl4- that could establish a process for gold recovery.
- This article is part of the themed collection: Cucurbiturils and related cavitands