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Benzothiadiazole based cascade material to boost the performance of inverted ternary organic solar cells

Krassas Miron, Polyzoidis Christos, Tzourmpakis Pavlos, Kosmidis Dimitris, Viskadouros Georgios, Kornilios Nikolaos, Charalambidis Georgios, Nikolaou Vasilis, Coutsolelos, Athanassios, Petridis Konstantinos, Stylianakis Minas, Kymakis, Emmanuel

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URIhttp://purl.tuc.gr/dl/dias/A278E933-B200-45E0-B41D-C19FA434F23A-
Identifierhttps://doi.org/10.3390/en13020450-
Identifierhttps://www.mdpi.com/1996-1073/13/2/450/htm-
Languageen-
Extent12 pagesen
Extent3,5 megabytesen
TitleBenzothiadiazole based cascade material to boost the performance of inverted ternary organic solar cellsen
CreatorKrassas Mironen
CreatorPolyzoidis Christosen
CreatorTzourmpakis Pavlosen
CreatorKosmidis Dimitrisen
CreatorViskadouros Georgiosen
CreatorΒισκαδουρος Γεωργιοςel
CreatorKornilios Nikolaosen
CreatorCharalambidis Georgiosen
CreatorNikolaou Vasilisen
CreatorCoutsolelos, Athanassiosen
CreatorPetridis Konstantinosen
CreatorStylianakis Minasen
CreatorKymakis, Emmanuelen
PublisherMDPIen
Content SummaryA conjugated, ladder-type multi-fused ring 4,7-dithienbenzothiadiazole:thiophene derivative, named as compound ‘T’, was for the first time incorporated, within the PTB7:PC71BM photoactive layer for inverted ternary organic solar cells (TOSCs) realization. The effective energy level offset caused by compound T between the polymeric donor and fullerene acceptor materials, as well as its resulting potential as electron cascade material contribute to an enhanced exciton dissociation, electron transfer facilitator and thus improved overall photovoltaic performance. The engineering optimization of the inverted TOSC, ITO/PFN/PTB7:Compound T(5% v/v):PC71BM/MoO3/Al, resulted in an overall power conversion efficiency (PCE) of 8.34%, with a short-circuit current density (Jsc) of 16.75 mA cm−2, open-circuit voltage (Voc) of 0.74 V and a fill factor (FF) of 68.1%, under AM1.5G illumination. This photovoltaic performance was improved by approximately 12% with respect to the control binary device. en
Type of ItemΕπιστολήel
Type of ItemLetteren
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2021-09-27-
Date of Publication2020-
SubjectOrganic solar cellsen
SubjectTernary blenden
SubjectBulk heterojunctionen
SubjectCascade effecten
SubjectCharge transferen
SubjectAdditiveen
SubjectBenzothiadiazoleen
SubjectSmall moleculeen
Bibliographic CitationM. Krassas, C. Polyzoidis, P. Tzourmpakis, D. M. Kosmidis, G. Viskadouros, N. Kornilios, G. Charalambidis, V. Nikolaou, A. G. Coutsolelos, K. Petridis, M. M. Stylianakis, and E. Kymakis, “Benzothiadiazole based cascade material to boost the performance of inverted ternary organic solar cells,” Energies, vol. 13, no. 2, Jan. 2020. doi: 10.3390/en13020450en

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