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Τύπος: Άρθρο σε επιστημονικό περιοδικό
Τίτλος: Microwave exposure as a fast and cost-effective alternative of oxygen plasma treatment of indium-tin oxide electrode in organic solar cells
Συγγραφέας: [EL] Σουλτάτη, Αναστασία[EN] Soultati, Anastasiasemantics logo
[EL] Κωστής, Ιωάννης[EN] Kostis, Ioannissemantics logo
[EL] Παπαδημητρόπουλος, Γιώργος[EN] Papadimitropoulos, Giorgossemantics logo
[EL] Ζένιου, Άγγελος[EN] Zeniou, Angelossemantics logo
[EL] Γογγολίδης, Ευάγγελος[EN] Gogolides, Evangelossemantics logo
[EL] Αλεξανδρόπουλος Δημήτρης[EN] Alexandropoulos, Dimitrissemantics logo
[EL] Βάϊνος, Νικόλαος[EN] Vainos, Nikolaossemantics logo
[EL] Δαβάζογλου, Δημήτριος[EN] Davazoglou, Dimitriossemantics logo
[EL] Σπηλιώτης, Αθανάσιος[EN] Speliotis, Athanassiossemantics logo
[EL] Σταθόπουλος, Νικόλαος[EN] Stathopoulos, Nikolaossemantics logo
[EL] Αργείτης, Παναγιώτης[EN] Argitis, Panagiotissemantics logo
[EL] Βασιλοπούλου, Μαρία[EN] Vasilopoulou, Mariasemantics logo
Ημερομηνία: 22/11/2017
Περίληψη: Pre-treatment methods are commonly employed to clean as well as to modify electrode surfaces. Many previous reports suggest that modifying the surface properties of indium tin oxide (ITO) by oxygen plasma treatment is a crucial step for the fabrication of high performance organic solar cells. In this work, we propose a fast and cost-effective microwave exposure step for the modification of the surface properties of ITO anode electrodes used in organic solar cells. It is demonstrated that a short microwave exposure improves the hydrophilicity and reduces the roughness of the ITO surface, as revealed by contact angle and atomic force microscopy (AFM) measurements, respectively, leading to a better quality of the PEDOT:PSS film coated on top of it. Similar results were obtained with the commonly used oxygen plasma treatment of ITO suggesting that microwave exposure is an effective process for modifying the surface properties of ITO with the benefits of low-cost, easy and fast processing. In addition, the influence of the microwave exposure of ITO anode electrode on the performance of an organic solar cell based on the poly(3-hexylthiophene):[6,6]-phenyl C70 butyric acid methyl ester (P3HT:PC70BM) blend is investigated. The 71% efficiency enhancement obtained in the microwave annealed-ITO based device as compared to the device with the as-received ITO was mainly attributed to the improvement in the short circuit current (Jsc) and decreased leakage current caused by the reduced series and the increased shunt resistances and also by the higher charge generation efficiency, and the reduced recombination losses.
Γλώσσα: Αγγλικά
Σελίδες: 12
DOI: 10.1088/1361-6463/aa946c
EISSN: 1361-6463
Θεματική κατηγορία: [EL] Άλλες Επιστήμες Μηχανικού και Τεχνολογίες[EN] Other Engineering and Technologiessemantics logo
Λέξεις-κλειδιά: indium tin oxidesurface treatmentmicrowave exposureorganic solar cells
Κάτοχος πνευματικών δικαιωμάτων: © 2017 IOP Publishing Ltd
Ηλεκτρονική διεύθυνση του τεκμηρίου στον εκδότη: https://iopscience.iop.org/article/10.1088/1361-6463/aa946c
Ηλεκτρονική διεύθυνση περιοδικού: https://iopscience.iop.org/journal/0022-3727
Τίτλος πηγής δημοσίευσης: Journal of Physics D: Applied Physics
Τεύχος: 50
Σελίδες τεκμηρίου (στην πηγή): Article no 505105
Σημειώσεις: This Post-doctoral research was implemented with an IKYfellowship and co-financed by the European Social Fund-ESF and Greek national funds under the ‘Strengthening PostDoctoral Research (MIS: 5001552)’ through the Operational Program ‘National Human Resources Development Program, Education and Lifelong Learning’ (priority axes 6,8,9). This research has been co-financed by the European Union (European Social Fund–ESF) and Greek national funds through the Operational Program ‘Education and Lifelong Learning’ of the National Strategic Reference Framework (NSRF)- Research Funding Program: Thales. Investing in knowledge society through the European Social Fund.
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