Patent ID: 8859772

Claim:
A perylene-diimide compound represented by the structure of formula 4: wherein R 1 and R 2 are the same or different substituted or unsubstituted linear or branched alkyl, a substituted or unsubstituted saturated carbocyclic or heterocyclic ring or aryl; R 3 is, alkynyl, acetylene, diphenylacetylene, phenylacetylene, ethynyl-phenyl-2,2′;6′ 2″-terpyridine, 1,4-diethynylbenzene or Z-perylene ; and Z is 1,4 diethynylbenzene, acetylene, 5,5′-Diethynyl-2,2′-Bipyridine dialcohol or dithiol; and optionally a metal or a metal ion is coordinated to said perylene diimide compound forming a metal complex with said compound.