Conjugated material self-assembly : towards supramolecular electronics

P.E.L.G. Leclère, M. Surin, M. Cavallini, P. Jonkheijm, O. Henze, A.P.H.J. Schenning, F. Biscarini, A.C. Grimsdale, W.J. Feast, E.W. Meijer, K. Müllen, J.L. Brédas, R. Lazzaroni

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Abstract

Properties of organic electronic materials in solid-state are determined as individual molecules and molecular assembly. It is essential to optimize conjugated materials to control performance of molecular assembly that constitute electronic devices such as light-emitting diodes and solar cells, and is fundamental for technical applications in nanoelectronics.Here supermolecular structure of block copolymers with .PI.-conjugated block and unconjugated block were studied.Oligo-fluolene series and chiral oligomers in solid state were studied. The material adjusting conditions such as solvent evaporation rate and properties of base material widely affected molecular association. Morphologies of thin- walled polymers were observed by AFM, and it shows that conjugated molecule surface can be organized over length scale from several nm to several .MU.m. Sensitivity of supermolecular organization is controlled by weak force such as .PI.-bond interaction.
Original languageEnglish
Pages (from-to)197-202
JournalTransactions of the Materials Research Society of Japan
Volume29
Issue number1
Publication statusPublished - 2004

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