Cellular ferroelectrets for soft matter integrated devices with advanced functionality

In this paper, a selection of some functional polymer elements are introduced, interfacing with thin film transistors is discussed and an example for a flexible touchpad of utmost simplicity is presented. This leads to thin stretchable transducer- and sensor skin arrays which we propose. Special emphasis is laid on piezoelectric cellular ferroelectrets which offer not only a wealth of applications but seem also ideally suited as efficient electroactive materials for a low cost all- polymer device technology.