Effect of TiO2 modification with amino-based self-assembled monolayer on inverted organic solar cell

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dc.contributor.authorTozlu, Cem
dc.contributor.authorMutlu, Adem
dc.contributor.authorCan, Mustafa
dc.contributor.authorHavare, Ali Kemal
dc.contributor.authorDemic, Serafettin
dc.contributor.authorIcli, Siddik
dc.date.accessioned2019-10-27T10:48:01Z
dc.date.available2019-10-27T10:48:01Z
dc.date.issued2017
dc.departmentEge Üniversitesien_US
dc.description.abstractThe effects of surface modification of titanium dioxide (TiO2) on the performance of inverted type organic solar cells (i-OSCs) was investigated in this study. A series of benzoic acid derivatized self-assembled monolayer (SAM) molecules of 4'-[(hexyloxy) phenyl] amino-3,5-biphenyl dicarboxylic acid (CT17) and 4'-[1-naphthyl (phenyl) amino] biphenyl-4-carboxylic acid (CT19) were utilized to modify the interface between TiO2 buffer layer and poly-3 hexylthiophene (P3HT):[ 6,6]-phenyl C-61 butyric acid methyl ester (PC61BM) active layer having the device structure of ITO/TiO2/SAM/P3HT:PC61BM/MoO3/Ag. The work function and surface wetting properties of TiO2 buffer layer served as electron transporting layer between ITO and PC61BM active layer were tuned by SAM method. The solar cell of the SAM modified devices exhibited better performance. The power conversion efficiency (PCE) of i-OSCs devices with bare TiO2 electrodes enhanced from 2.00% to 2.21% and 2.43% with CT17 and CT19 treated TiO2 electrodes, respectively. The open circuit voltage (V-oc) of the SAM treated TiO2 devices reached to 0.60 V and 0.61 V, respectively, while the V-oc of untreated TiO2 was 0.57 V. The water contact angle of i-OSCs with CT17 and CT19 SAMs was also higher than the value of the unmodified TiO2 electrode. These results show that inserting a monolayer at the interface between organic and inorganic layers is an useful alternative method to improve the performance of i-OSCs. (C) 2017 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipKaramanoglu Mehmetbey UniversityKaramanoglu Mehmetbey University [11-M-13]en_US
dc.description.sponsorshipThis article is dedicated to Prof. Dr. Siddik Icli on the occasion of his 70th birthday. The authors are grateful to Karamanoglu Mehmetbey University (Project 11-M-13) for financial support.en_US
dc.identifier.doi10.1016/j.apsusc.2017.06.128
dc.identifier.endpage1138en_US
dc.identifier.issn0169-4332
dc.identifier.issn1873-5584
dc.identifier.issn0169-4332en_US
dc.identifier.issn1873-5584en_US
dc.identifier.startpage1129en_US
dc.identifier.urihttps://doi.org/10.1016/j.apsusc.2017.06.128
dc.identifier.urihttps://hdl.handle.net/11454/31491
dc.identifier.volume422en_US
dc.identifier.wosWOS:000410606900133en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofApplied Surface Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSurface modificationen_US
dc.subjectSAMen_US
dc.subjectInterfaceen_US
dc.subjectTiO2 organic solar cellen_US
dc.titleEffect of TiO2 modification with amino-based self-assembled monolayer on inverted organic solar cellen_US
dc.typeArticleen_US

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