Thermal Annealing Effect on the Surface Morphology and Efficiency of Photovoltaic Cells

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dc.authoridSAHIN TIRAS, KEVSER/0000-0003-3705-8380
dc.contributor.authorTiras, Kevser Sahin
dc.contributor.authorRupasinghe, Thilini P.
dc.contributor.authorWohlgenannt, Markus
dc.contributor.authorTivanski, Alexei V.
dc.date.accessioned2024-11-07T13:34:27Z
dc.date.available2024-11-07T13:34:27Z
dc.date.issued2023
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractPhotovoltaics convert solar radiation into electrical current. For the present study, blends containing electron donor and acceptor are used instead of materials made with silicon. Carbon-based organic semiconductors are easy to process and have low fabrication costs. There are several fabrication steps playing important role in the photovoltaic device performance such as, substrate preparation, polymer-acceptor ratios in the blend, thermal annealing of the active layer and top electrode deposition. It has been shown that nanoscale morphology of the blend can be altered via thermal annealing treatment. As a result, efficiency is affected by surface roughness. The blend of P3HT: PCBM as donor: acceptor was used to fabricate thin films and photovoltaic cells. The power conversion efficiencies and surface morphologies of the devices annealed at various times were measured. Atomic force microscopy (AFM) images revealed that the surface roughness of the active layer is mainly affected by the annealing time, and the film with the roughest surface results in the most efficient solar cell.
dc.description.sponsorshipArmy MURI Grant [W911NF-08-1-0317]
dc.description.sponsorshipThe experiments in this study were carried out at the University of Iowa. This work was supported by Army MURI Grant No. W911NF-08-1-0317.
dc.identifier.doi10.2339/politeknik.942188
dc.identifier.endpage129
dc.identifier.issn1302-0900
dc.identifier.issn2147-9429
dc.identifier.issue1
dc.identifier.startpage125
dc.identifier.trdizinid1236284
dc.identifier.urihttps://doi.org/10.2339/politeknik.942188
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1236284
dc.identifier.urihttps://hdl.handle.net/11480/15979
dc.identifier.volume26
dc.identifier.wosWOS:001022165400011
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherGazi Univ
dc.relation.ispartofJournal of Polytechnic-Politeknik Dergisi
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectAtomic force microscopy
dc.subjectpolymers
dc.subjectphotovoltaics
dc.subjectthermal annealing
dc.titleThermal Annealing Effect on the Surface Morphology and Efficiency of Photovoltaic Cells
dc.typeArticle

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