Weak intermolecular charge transfer in the ground state of a π-conjugated polymer chain |
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| Authors: | D Yu Paraschuk S G Elizarov A N Khodarev A N Shchegolikhin S A Arnautov E M Nechvolodova |
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| Institution: | (1) International Laser Center, Moscow State University, Moscow, 119992, Russia;(2) Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia;(3) Semenov Institute of Chemical Physics, Russian Academy of Sciences, Moscow, 119991, Russia |
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| Abstract: | We show that a π-conjugated polymer chain can demonstrate weak intermolecular charge transfer in the electronic ground state. Poly2-methoxy-5-(2′-ethyl-hexyloxy)-1,4-phenylene vinylene]/2,4,7-trinitrofluorenone (MEH-PPV/TNF) donor-acceptor films have been studied by optical absorption, Raman, infrared spectroscopy, and differential scanning calorimetry. The factors influencing weak intermolecular charge transfer in π-conjugated chains are discussed. |
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