Poly(2,5-bis(1,4,7,10-tetraoxaundecyl)-1,4-phenylenevinylene) (BTEM-PPV) is a polyphenylenevinylene derivative with good electrical and ionic conductivities. It has a PPV as the backbone and the side chains consist of oligo(ethylene oxide) that can be utilized for transporting of ions. It can be used in the fabrication of organic electronic based devices.