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Título: | Continuous lateral gradients in film morphology for position sensitive detection and organic solar cell optimization |
Autor: | Campoy Quiles, Mariano CSIC ORCID ; Randon, V.; Mróz, M. M.; Jarzaguet, M.; Garriga Bacardi, Miquel | Palabras clave: | Organic photovoltaics Position sensitive detectors Combinatorial screening Morphology gradients |
Fecha de publicación: | 29-jul-2013 | Editor: | Walter de Gruyter | Citación: | Organic Photonics and Photovoltaics 1:11-23 (2013) | Resumen: | We present a method to fabricate binary organic donor and acceptor blends exhibiting a controlled lateral gradient in morphology. Upon combining photometry, ellipsometry and Xray maps together with photoinduced absorption measurements, we show how the gradual exposure to solvent vapor results in a varying degree of polymer crystallinity for the polythiophene/soluble fullerene system along one direction. These morphologically graded samples are characterized by a spectral photoresponse that depends on the specific location in the area of the device where the light beam impinges, a property that stands as proof-of-concept for position sensitive detection. Moreover, we demonstrate that the development of graded morphologies is an effective one-step method which allows for fast performance optimization of organic solar cells. Finally, the appropriateness of eight different solvents for morphology control via vapor annealing is evaluated in a time-effective way using the advanced method, which helps to identify boiling point and solubility as the key processing parameters. | Versión del editor: | http://dx.doi.org/10.2478/oph-2013-0002 | URI: | http://hdl.handle.net/10261/132573 | DOI: | 10.2478/oph-2013-0002 | E-ISSN: | 2299-3177 |
Aparece en las colecciones: | (ICMAB) Artículos |
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Campoy_OrgPhotonicPhotovolt_2013_editorial.pdf | 3,22 MB | Adobe PDF | Visualizar/Abrir |
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