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http://dx.doi.org/10.5207/JIEIE.2012.26.11.104

A Study on the Performance Improvement for Flexible PCDTBT : PC71BM Organic Thin Film Solar Cell by Ozone Surface Treatment of ITO Electrode  

No, Im-Jun (Dept. of Electrical Engineering, Inha University)
Lim, Young-Taek (Dept. of Electrical Engineering, Inha University)
Shin, Paik-Kyun (Dept. of Electrical Engineering, Inha University)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.26, no.11, 2012 , pp. 104-108 More about this Journal
Abstract
Flexible organic thin film solar cell device with Bulk Hetero-Junction (BHJ) structure was fabricated with blended conjugated polymer of PCDTBT : $PC_{71}BM$ as active layer. Surface of ITO anode for the organic solar cell device was treated with ozone. The organic solar cell device with bare ITO showed short circuit current density ($J_{sc}$) of $8.2mA/cm^2$, open-circuit voltage ($V_{oc}$) of 0.73V, fill factor (FF) of 0.36, and power conversion efficiency (PCE) of 2.16%, respectively. The organic solar cell device with ozone treated ITO anode revealed distinctively improved performance parameters:$J_{sc}$ of $9.8mA/cm^2$, $V_{oc}$ of 0.82V, FF of 0.43, PCE(${\eta}$) of 3.42%.
Keywords
Flexible Organic Solar Cell; Bulk Hetero-Junction; PCDTBT : $PC_{71}BM$; ITO Surface Treatment; Power Conversion Efficiency;
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