Study of a ternary blend system for bulk heterojunction thin film solar cells |
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| Authors: | Zubair Ahmad Farid Touati Shakoor R A Al-Thani N J |
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| Affiliation: | 1.Department of Electrical Engineering, College of Engineering, Qatar University, Doha 2713, Qatar;2.Center for Advanced Materials, Qatar University, Doha 2713, Qatar |
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| Abstract: | In this research, we report a bulk heterojunction(BHJ) solar cell consisting of a ternary blend system. Poly(3-hexylthiophene) P3 HT is used as a donor and [6,6]-phenyl C61-butyric acid methylester(PCBM) plays the role of acceptor whereas vanadyl 2,9,16,23-tetraphenoxy-29 H, 31H-phthalocyanine(VOPc Ph O) is selected as an ambipolar transport material. The materials are selected and assembled in such a fashion that the generated charge carriers could efficiently be transported rightwards within the blend. The organic BHJ solar cells consist of ITO/PEDOT:PSS/ternary BHJ blend/Al structure. The power conversion efficiencies of the ITO/ PEDOT:PSS/P3HT:PCBM/Al and ITO/PEDOT:PSS/P3HT:PCBM:VOPcPhO/Al solar cells are found to be 2.3% and 3.4%, respectively. |
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| Keywords: | organic semiconductor charge transport bulk heterojunction ternary blend |
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