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Title Heterocyclic Polymers Perspectives in Nanolayers of Donor Acceptor Heterojunction for Organic Photovoltaic Application
Authors Orlova, M.N.
Didenko, S.I.
Rabinovich, O.I.
Saranin, D.S.
Keywords Organic solar cells
Polymers
Degradation
Scanning electron microscopy
Type Article
Date of Issue 2015
URI http://essuir.sumdu.edu.ua/handle/123456789/44556
Publisher Sumy State University
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Citation M.N. Orlova, S.I. Didenko, O.I. Rabinovich, D.S. Saranin, J. Nano- Electron. Phys. 7 No 4, 04085 (2015)
Abstract In this work new polymers for organic photovoltaic that are stable to aggressive external environment influence are discussed. Heterocyclic “ladder” structure polymers poly(perylenebenzimidazole- with oxygen bridge between monomer units) (PPBI-O) and poly(naphthoylene benzimidazole – with oxygen bridge between monomer units) (PNBI-O) were studied as potential alternative to poly-3-methyl hexyl thiophene (P3HT) and fullerene {6, 6} -phenyl-C (61) butyric acid (PCBM). This subject is of current interest for goal of reducing cost and time for organic solar cells, where one of the main problems is still high cost of donor and acceptor synthesis. Solar cells based on new polymers were produced. Even after first device investigations it is detected that he electrical resistivity level and device efficiency is also comparable with the target analogue for comparison P3HT. The possibility of molecular structural design provides a wide field for engineers to generate interest to heterocyclic structures based on die-perylene and naphthoyl, the possible combinations for the superposition of the absorption spectra. From this point of view, the creation of optically active polymers based on polybenzomidazofenantroline (PBF), 1, 4, 5, 8- naphthalene tetracarboxylic and 3, 4, 9, 10- perylenetetracarboxylic acids opens new opportunities in this important field of science and technology. The results are high absorption in visible spectrum and ability of morphology improvement. Advantages in the optical properties PPBI-O and PNBI-O above the target prototype P3HT, namely a peak absorption in the region of 555 nm to 700 nm red edge are detected.
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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