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Asymmetric photocurrent extraction in semitransparent laminated flexible organic solar cells

npj Flexible Electronics 2018年第1期2卷 21-28页

作者： jonas bergqvist Thomas Osterberg Armantas Melianas Luis Ever Aguirre Zheng Tang Wanzhu Cai Zaifei Ma Martijn Kemerink Desta Gedefaw Mats R.Andersson Olle InganAs Biomolecular and Organic Electronics IFMLinköping UniversityLinkoping SE-58183Sweden Dresden Integrated Center for Applied Physics and Photonic Materials(IAPP)and Institute for Applied Physics Technische Universität DresdenNöthnitzer Str.61Dresden 01187Germany Complex Materials and Devices IFMLinköping UniversityLinkoping SE-58183Sweden Flinders Centre for Nanoscale Science and Technology Flinders UniversitySturt RoadBedford ParkAdelaide 5042Australia Department of Chemistry and Chemical Engineering Polymer TechnologyChalmersUniversity of TechnologyGoteborg SE-41296Sweden

Scalable production methods and low-cost materials with low embodied energy are key to success for organic solar ***(PSS)electrodes meet these criteria and allow for low-cost and all solution-processed solar ***,such devices are prone to *** this work we introduce a roll-to-roll lamination method to construct semitransparent solar cells with a PEDOT(PSS)anode and an polyethyleneimine(PEI)modified PEDOT(PSS)*** use the polymer:PCBM active layer coated on the electrodes as the lamination *** lamination method efficiently eliminates any *** exposure to ambient degrades the laminated devices,which manifests in a significantly reduced photocurrent extraction when the device is illuminated through the anode,despite the fact that the PEDOT(PSS)electrodes are optically *** show that degradation-induced electron traps lead to increased trap-assisted recombination at the anode side of the *** limiting the exposure time to ambient during production,degradation is significantly *** show that lamination using the active layer as the adhesive can result in device performance equal to that of conventional sequential coating.

关键词： laminated ambient eliminate

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Lateral Phase Separation Gradients in Spin-Coated Thin Films of High-Performance Polymer:Fullerene Photovoltaic Blends

Lateral Phase Separation Gradients in Spin-Coated Thin Films...

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广东省真空学会2011年学术年会

作者： Lintao Hou Ergang Wang jonas bergqvist B.Viktor Andersson Zhongqiang Wang Christian Mller Mariano Campoy-Quiles Mats R.Andersson Fengling Zhang Olle Ingans Jinan University Biomolecular and Organic Electronics IFMand Center of Organic ElectronicsLinkping University Materials and Surface Chemistry/Polymer Technology Chalmers University of Technology Institut de Ciència de Materials de Barcelona(ICMAB-CSIC)

We demonstrate that a finer nanostructure produced under a rapid rate of solvent removal significantly improves charge separation in a high-performance polymer:fullerene bulk-heterojunction *** spin-coating,variations in solvent evaporation rate give rise to lateral phase separation gradients with the degree of coarseness decreasing away from the center

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