Enhancing conversion efficiency of inverted organic solar cells using Ag nanoparticles and long wavelength absorbing tin (II) phthalocyanine |
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| Affiliation: | 1. Université Paris Est, Institut de Chimie et des Matériaux Paris-Est (UMR7182), CNRS, UPEC, 2-8 rue Henri Dunant, F-94320 Thiais, France;2. Institut de Science des Matériaux de Mulhouse, (UMR 7361), CNRS, UHA, 15 rue Jean Starcky, F-68057 Mulhouse, France;1. NanoElectronics Group, MESA+ Institute for Nanotechnology, P.O. Box 217, University of Twente, 7500 AE, Enschede, The Netherlands;2. Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543;3. Department of Physics, Southeast University, Nanjing, 211189, China;4. Magnetic Spectroscopy Group, Diamond Light Source, Didcot, OX11 0DE, UK;1. Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, Jiangsu 215123, PR China;2. Center of Polymers and Organic Solids, Departments of Chemistry & Biochemistry, University of California, Santa Barbara, CA 93106, USA;1. National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, CO 80401, USA;2. Department of Electrical, Computer, and Energy Engineering, University of Colorado, Boulder, CO 80309-0425, USA;3. Materials Science and Engineering Program, University of Colorado, Boulder, CO 80303, USA;4. Department of Engineering, Macquarie University, NSW, 2109, Australia |
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| Abstract: | Wide wavelength inverted organic solar cells (IOSCs) were fabricated and characterized by doping the active layer with long wavelength absorbing tin (II) phthalocyanine (SnPc). The hole-transporting layer (HTL) comprised Ag nanoparticles (NPs)-embedded poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate) (PEDOT:PSS). The short-circuit current density (Jsc) and power conversion efficiency (PCE) were considerably enhanced. It is attributed to that Ag NPs result in the enhancement of the scattering and reflection of light, leading to increase absorption efficiency in the active layer of IOSCs. Moreover, the SnPc-doped active layer exhibits a long wavelength absorption and prevents the active layer from degradation by PCBM clusters. The optimized IOSCs exhibited an open circuit voltage (Voc), Jsc, fill factor (F.F.), and PCE of 0.5 V, 10.34 mA/cm2, 45.33% and 2.33%, respectively, under simulated AM1.5G illumination at 100 mW/cm2. |
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| Keywords: | IOSCs SnPc Ag NPs |
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