Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/2452
Title: Rubrene single crystal solar cells and the effect of crystallinity on interfacial recombination
Authors: Kara, Duygu Akın
Burnett, Edmund K.
Kara, Koray
Usluer, Özlem
Cherniawski, Benjamin P.
Barron, Edward J.
Briseno, Alejandro L.
Kuş, Mahmut
Keywords: Open-Circuit Voltage
Temperature
Morphology
Transport
Mobility
Growth
Order
Films
Publisher: Royal Soc Chemistry
Abstract: Single crystal studies provide a better understanding of the basic properties of organic photovoltaic devices. Therefore, in this work, rubrene single crystals with a thickness of 250 nm to 1000 nm were used to produce an inverted bilayer organic solar cell. Subsequently, polycrystalline rubrene (orthorhombic, triclinic) and amorphous bilayer solar cells of the same thickness as single crystals were studied to make comparisons across platforms. To investigate how single crystal, polycrystalline (triclinic-orthorhombic) and amorphous forms alter the charge carrier recombination mechanism at the rubrene/PCBM interface, light intensity measurements were carried out. The light intensity dependency of the J(SC), V-OC and FF parameters in organic solar cells with different forms of rubrene was determined. Monomolecular (Shockley Read Hall) recombination is observed in devices employing amorphous and polycrystalline rubrene in addition to bimolecular recombination, whereas the single crystal device is weakly affected by trap assisted SRH recombination due to reduced trap states at the donor acceptor interface. To date, the proposed work is the only systematic study examining transport and interface recombination mechanisms in organic solar cells produced by different structure forms of rubrene.
URI: https://doi.org/10.1039/d2cp00985d
https://hdl.handle.net/20.500.13091/2452
ISSN: 1463-9076
1463-9084
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collections
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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