Synthesis, characterization, optical and electrochemical properties of a new chiral multichromophoric system based on perylene and naphthalene diimides
By Abimbola O. Aleshinloye and Jagadeesh B. Bodapati and Huriye Icil
Published in Journal of Photochemistry and Photobiology A: Chemistry
NULL
2015
Abstract
A new chiral and multichromophoric macromolecular system based on a perylene diimide chromophore consisting of two 1,4-bis(3-aminopropyl) piperazine linkers and two terminal chiral naphthalene bisimide chromophores has been synthesized. All of the chromophoric units are not ?-conjugated with each other and could behave independently due to the presence of the nonconjugated linker. A new symmetrical dehydroabietyl substituted naphthalene diimide was also synthesized for comparison purposes. The bulky and chiral substituent is included at the peripheral positions of macromolecular system to increase the solubility and introduce directionality to the intermolecular interactions. The multichromophoric macromolecule showed new and distinctive photophysical properties that are different from the properties in the monomeric states of the components and in blends. It exhibited strong absorption in a wide range (320
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