An electro-polarizable compound having the following formula (I): where Core1 is an aromatic polycyclic conjugated molecule having two-dimensional flat form and self-assembling by pi-pi stacking in a column-like supramolecule comprising one or more rylene fragments, R1 is an electron donor group connected to Core1 and R1′ is an electron acceptor group connected to the Core1, m is number of acceptor group R1, m′ is a number of donor group R′, m and m′ are equal to 0, 1, 2, 3, 4, 5 or 6, wherein m and m′ are not both equal to 0, R2 is a substituent comprising one or more ionic groups from a class of ionic compounds that form ionic liquids connected to the Core1-directly or via a connecting group, p is a number of ionic groups R2 which is equal to 0, 1, 2, 3 or 4; wherein the fragment marked NLE containing the Core1 with at least one group R1 and/or R1′ has a nonlinear effect of polarization, wherein Core2 is an electro-conductive oligomer, n is a number equal to 0, 2, or 4, R3 is a substituent comprising one or more ionic groups from a class of ionic compounds that form ionic liquids connected to the Core2 directly or via a connecting group, s is a number of the ionic groups R3 which is equal to 0, 1, 2, 3 or 4; wherein R4 is a non-conjugate cyclic or polycyclic resistive substituent electrically insulating the column-like supramolecules from each other and connected to the aromatic polycyclic conjugated molecule (Core1) and/or to the Core2 directly or via a connecting group, k is a number of substituents R4 which is equal to 1, 2, 3, 4, 5, 6, 7 or 8.