Electro-polarizable compound and capacitor

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 are electron donor groups connected to the aromatic polycyclic conjugated molecule (Core1) and R1′ are electron acceptor groups connected to the aromatic polycyclic conjugated molecule (Core1), m is number of acceptor groups R1, m′ is a number of donor groups 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 aromatic polycyclic conjugated molecule (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 of the electro-conductive oligomers which is 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 electro-conductive oligomer (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 providing solubility of the organic compound in a solvent and electrically insulating the column-like supramolecules from each other and connected to the aromatic polycyclic conjugated molecule (Core1) and/or to the electro-conductive oligomer (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 wherein Core1 has the structural formula: