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dc.contributor.author김대훈-
dc.date.accessioned2017-10-25T05:02:29Z-
dc.date.available2017-10-25T05:02:29Z-
dc.date.issued2015-12-
dc.identifier.citationJOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, v. 76, NO 3, Page. 644-650en_US
dc.identifier.issn0928-0707-
dc.identifier.issn1573-4846-
dc.identifier.urihttps://link.springer.com/article/10.1007%2Fs10971-015-3816-z-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/30274-
dc.description.abstractCe-doped ZnO layers were synthesized by using a sol-gel method for applications as electron transport layers (ETLs) in inverted organic photovoltaic (OPV) cells. X-ray photoelectron spectroscopy spectra, energy-dispersive X-ray analysis spectra, and atomic force microscopy and scanning electron microscopy images showed that the formed samples were Ce-doped ZnO layers with smooth surfaces. The inverted OPV cell based on a poly (3-hexylthiophene):[6,6]-phenyl C-61 butyric acid methyl ester bulk heterojunction containing a Ce-doped ZnO ETL was fabricated for enhanced efficiency. Current density-voltage results showed that the power conversion efficiency of the fabricated inverted OPV cell with a Ce-doped ZnO ETL was 0.87 times larger than that with a ZnO ETL due to the enhanced absorption of the Ce-doped ZnO ETL at a near-ultraviolet/blue light region between 300 and 500 nm. Device structure and current density-voltage (J-V) characteristic curves for inverted organic photovoltaic (OPV) cells with a ZnO or a Ce-doped ZnO electron transport layer (ETL) under AM 1.5 stimulated illumination at an intensity of 100 mW/cm(2). The enhancement of the power conversion efficiency (PCE) values of the inverted OPV cells with a Ce-doped ZnO ETL is attributed to increases in the short-circuit current density, open-circuit voltage, and fill factor. The results indicate that the PCEs of the ZnO-based OPV cells can be improved by doping Ce into the ZnO layer.en_US
dc.description.sponsorshipThis research was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2013-016467).en_US
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.subjectOrganic photovoltaic cellsen_US
dc.subjectCerium-doped ZnO layeren_US
dc.subjectSol-gelen_US
dc.subjectElectron transport layeren_US
dc.titleEfficiency enhancement of inverted organic photovoltaic cells due to an embedded Ce-doped ZnO electron transport layer synthesized by using a sol-gel processen_US
dc.typeArticleen_US
dc.relation.no3-
dc.relation.volume76-
dc.identifier.doi10.1007/s10971-015-3816-z-
dc.relation.page644-650-
dc.relation.journalJOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY-
dc.contributor.googleauthorLee, Yong Hun-
dc.contributor.googleauthorKim, Dae Hun-
dc.contributor.googleauthorKim, Tae Whan-
dc.relation.code2015000264-
dc.sector.campusS-
dc.sector.daehakRESEARCH INSTITUTE[S]-
dc.sector.departmentRESEARCH INSTITUTE OF INFORMATION DISPLAY-
dc.identifier.pidkimdh8577-
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RESEARCH INSTITUTE[S](부설연구소) > RESEARCH INSTITUTE OF INFORMATION DISPLAY(디스플레이공학연구소) > Articles
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