Bisstyryl compound and high density recording media utilizing the same

A bisstyryl compound of the formula (I):

• wherein Z1 and Z2 are the same or different and are benzene, naphthalene, or heterocyclic ring containing O, S, or N, R1 is H, C1-5 alkyl, hydroxyl, halogen, or alkoxy, R2 is H, halogen, C1-5 alkyl, nitro, ester, carboxyl, sulfo, sulfonamide, sulfuric ester, amide, C1-3 alkoxy, amino, alkylamino, cyano, C1-6 alkylsulfonyl, or C2-7 alkoxy carbonyl, R3, R4, R5, and R6 are H, halogen, substituted or unsubstituted alkyl, aralkyl, or heterocyclic ring containing O, S, or N, W is nitrogen with or without Z1 and Z2, Y is C—R7R8, oxygen, sulfur, selenium, or —NR—, m is 1˜3, n is 1˜18, and X1 and X2 are the same or different and are an anion or an anionic organometallic complex, wherein R3 and R4 are joined to a nitrogen atom or R5 and R6 are joined together to form a ring, R7 and R8 are H or alkyl, and R bonded to nitrogen is C1-5 alkyl.