Yan N1, Wang Y.
Soft Matter. 2015 Sep 21;11(35):6927-37. doi: 10.1039/c5sm01405k. Epub 2015 Jul 31.Switchable nanoporous films, which can repeatedly alternate their porosities, are of great interest in a diversity of fields. Currently these intelligent materials are mostly based on polyelectrolytes and their porosities can change only in relatively narrow ranges, typically under wet conditions, severely limiting their applications. Here we develop a new system, which is capable of reversibly switching between a highly porous state and a nonporous state dozens of times regulated simply by exposure to selective solvents. Read More