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dc.contributor.authorRodrigues, F. D.-
dc.contributor.authorCunha, Mara-
dc.contributor.authorHilliou, L.-
dc.contributor.authorRino, L.-
dc.contributor.authorCorreia, M. R.-
dc.contributor.authorBusani, T.-
dc.contributor.authorBernardo, Gabriel-
dc.contributor.authorWiggers, H.-
dc.contributor.authorFilonovich, Sergej-
dc.contributor.authorPereira, Ricardo-
dc.description.abstractBlends of Si nanocrystals (Si-NCs) and organic semiconductors are promising materials for new optical and electronic devices processed from solutions. Here, we study how the optical properties of composite films containing Si-NCs and the organic semiconductor poly(3-hexylthiophene) (P3HT) are influenced by the composition and morphology resulting from different solution-processing parameters and different solvents used dichlorobenzene vs. chloroform). The optical spectra of the hybrid films are described using a simple phenomenological model, with which we can discern the contribution of each material in the films to the optical properties. From this analysis, we obtain quantitative information about the composition and morphology of the hybrid nanostructured films, which otherwise would be obtained from more demanding microscopy and spectroscopy techniques. For the case of the Si-NC/P3HT blend, we find that in films deposited from dichlorobenzene solutions the Si-NCs contribute sizably to light absorption.por
dc.description.sponsorshipThis work was funded by FCT/I3N via the HybridSolar project, by the DFG via Teilprojekt B2 and by the European Union and the Ministry of Innovation, Science and Research of the German State of North Rhine-Westphalia in the framework of an Objective 2 Programme (European Regional Development Fund, ERDF). Funding is also acknowledged from the Portuguese Foundation for Science and Technology (FCT) through the Projects Nos. PTDC/FIS/112885/2009 and PEst-C/CTM/LA0025/2011 and via the Strategic Project LA 25:2011-2012.por
dc.titleImpact of composition and morphology on the optical properties of Si-NC/P3HT thin films processed from solutionpor
dc.subject.wosScience & Technologypor
sdum.journalApplied Physics A: Materials Science & Processingpor
Appears in Collections:IPC - Artigos em revistas científicas internacionais com arbitragem

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