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Solution processable benzotriazole and fluorene containing copolymers for photovoltaic applications
Date
2012-04-01
Author
KAYA, Emine
APAYDIN, Dogukan Hazar
Yildiz, Dilber Esra
Toppare, Levent Kamil
Çırpan, Ali
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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2-Dodecyl benzotriazole and 9,9-dioctylfluorene containing alternating copolymers poly((9,9-dioctylfluorene)-2,7-diyl-(2-dodecyl-benzo[1,2,3]triazole)) (P1), poly((9,9-dioctylfluorene)-2,7-diyl-(4,7-bis(thien-2-yl) 2-dodecyl-benzo[1,2,3]triazole)) (P2), poly((9,9-dioctylfluorene)-2,7-diyl-(4,7-bis(3-hexylthien-5-yl) 2-dodecyl benzo[1,2,3]triazole)) (P3) were synthesized via a typical Suzuki coupling polymerization. UV-vis and electrochemical studies indicated that polymers have desirable HOMO-LUMO and band gap energy levels, enabling efficient electron transfer when blending them with fullerene derivatives. Photovoltaic properties of the copolymers mixed with [6,6] phenyl-C61-butyric acid methyl ester (PCBM), were investigated. P2 exhibited the best device performance with an open circuit voltage of 0.6 V. short circuit current of 3.4 mA/cm(2) and power conversion efficiency of 0.56% under Air mass 1.5 Global (AM 1.5G, 100 mW/cm(2)) illumination. Hole mobilities of the polymers were calculated using space charge limited current (SCLC) method and found to be in the order of 10(-5) for P1 and P2 and 10(-4) for P3.
Subject Keywords
Fluorene
,
Benzotriazole
,
Organic solar cell
,
Donor-acceptor
URI
https://hdl.handle.net/11511/39299
Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
DOI
https://doi.org/10.1016/j.solmat.2011.12.021
Collections
Department of Chemistry, Article
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Solution processable benzotriazole and fluorene containing copolymers for photovoltaic applications
Kaya, Emine; Çırpan, Ali; Toppare, Levent Kamil; Department of Chemistry (2011)
2-Dodecyl benzotriazole and 9,9-dioctylfluorene containing alternating copolymers poly((9,9-dioctylfluorene)-2,7-diyl-(2-dodecyl-benzo[1,2,3]triazole)) (P1), poly((9,9-dioc-tylfluorene)-2,7-diyl-(4,7-bis(thien-2-yl) 2-dodecyl benzo[1,2,3]triazole)) (P2), poly((9,9 dioctylfluorene)-2,7-diyl-(4,7-bis(3-hexylthien-5-yl) 2-dodecyl-benzo[1,2,3]triazole)) (P3) were synthesized via Suzuki polycondensation. Synthesized monomers and copolymers were characterized by Nuclear Magnetic Resonance (1H-NMR, 13C-NMR). Optic...
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E. KAYA, D. H. APAYDIN, D. E. Yildiz, L. K. Toppare, and A. Çırpan, “Solution processable benzotriazole and fluorene containing copolymers for photovoltaic applications,”
SOLAR ENERGY MATERIALS AND SOLAR CELLS
, pp. 321–326, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39299.