Inverted organic solar cells comprising low-temperature-processed ZnO films |
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| Authors: | Basudev Pradhan Steve Albrecht Burkhard Stiller Dieter Neher |
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| Institution: | 1. Institute of Physics and Astronomy, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476, Potsdam, Germany
2. Centre for Energy Engineering, Central University of Jharkhand, Ranchi, Jharkhand, India
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| Abstract: | Inverted organic solar cells are fabricated using low-temperature-annealed ZnO film as an electron transport layer. Uniform ZnO films were prepared by spin coating a diethylzinc (DEZ) precursor solution in air, followed by annealing at 100 °C. Organic solar cells prepared on these ZnO films with a 1:1 P3HT:PCBM blend as the active layer show a high power conversion efficiency of 4.03 %, which is more than 10 % higher than the PCE of solar cells comprising ZnO prepared via a high-temperature sol–gel route. |
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