(Polymer/liquid crystal) composite films with high electric charge holding

A (polymer/liquid crystal: LC) composite film with a high electric charge holding was prepared by a solvent-induced phase separation method. The (polydiisopropyl fumarate (Pdi-iPF)/TL205 (LC)) composite film sandwiched between two transparent electrodes exhibited highly stable electric charge holding over several hundreds seconds after the electric circuit connecting between the electrodes was opened. Reversible light transmission-light scattering switching upon an open circuit after the application of a pulse electric field and a short one, respectively, was achieved for the (Pdi-iPF/TL205) composite film.