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Dijital Arşivi

Design of donor-acceptor conjugated polymers for high-performance organic solar cells :|a quantum mechanical approach

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dc.contributor Graduate Program in Computational Science and Engineering.
dc.contributor.advisor Kurnaz, M. Levent.
dc.contributor.advisor Aviyente, Viktorya.
dc.contributor.author Ersoy, Deniz.
dc.date.accessioned 2023-03-16T10:04:19Z
dc.date.available 2023-03-16T10:04:19Z
dc.date.issued 2019.
dc.identifier.other CSE 2019 E77
dc.identifier.uri http://digitalarchive.boun.edu.tr/handle/123456789/12406
dc.description.abstract In this study, the design of donor-acceptor conjugated polymers for high-performance organic solar cells is intended by investigating electronic, geometrical and optical prop erties of a specific set of donors that are used in polymer solar cells. 4 different donors including benzo [1,2-b:4,5-b’] dithiophene (BDT), 3,3’-difluoro-2,2’-bithiophene (diF2T), naphtho [1,2-b:5,6-b’] dithiophene (NDT), thieno[3,2-b] thiophene (TT) and 1 acceptor named 2-propyl-5,6-difluorobenzo[d][1,2,3]triazole(ffTAZ) are studied in order to set a benchmark. The 4 different donors studied for benchmarking and 7 different acceptors including benzo [c] [1,2,5] thiadiazole(cop1), [1,2,5] thiadiazolo [3,4-g] quinox aline (cop2), [1,2,5] thiadiazolo [3,4-d] pyri-dazine (cop3), [1,2,5] thiadiazolo [3,4-c] pyridine (cop4), [1,2,5] oxadiazolo [3,4-d] pyri-dazine (cop5), fluorinated naphtho [1,2 c:5,6-c’] bis [1,2,5] thiadiazole (FNTz), fluori-nated [2,1,3] benzobisthiadiazole (FBTz) are combined and investigated for 28 different predictions. Geometrical and optical characteristics were calculated using Density Functional Theory (DFT). Distortion en ergies and reorganizational energies for electron and hole transfer were calculated using B3LYP/6-311G*. In conclusion, 2 out of 28 molecules were chosen as the most effective molecules to be used in high-performance organic solar cells. The molecules chosen contain NDT and TT as donors and FBTz as acceptor.
dc.format.extent 30 cm.
dc.publisher Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019.
dc.subject.lcsh Solar cells -- Design and construction.
dc.subject.lcsh Conjugated polymers.
dc.title Design of donor-acceptor conjugated polymers for high-performance organic solar cells :|a quantum mechanical approach
dc.format.pages xviii, 72 leaves ;


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