| |  Online-Ressource |
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| Verfasst von: | Pfannmöller, Martin [VerfasserIn]  |
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| | Schröder, Rasmus R. [VerfasserIn] |
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| Titel: | Visualizing photovoltaic nanostructures with high-resolution analytical electron microscopy reveals material phases in bulk heterojunctions |
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| Verf.angabe: | Martin Pfannmöller, Harald Flügge, Gerd Benner, Irene Wacker, Wolfgang Kowalsky, Rasmus R. Schröder |
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| Jahr: | 2012 |
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| Umfang: | 8 S. |
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| Fussnoten: | Available online 4 October 2011 ; Gesehen am 14.11.2018 |
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| Titel Quelle: | Enthalten in: Synthetic metals |
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| Ort Quelle: | Amsterdam [u.a.] : Elsevier Science, 1979 |
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| Jahr Quelle: | 2012 |
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| Band/Heft Quelle: | 161(2012), 23, Seite 2526-2533 |
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| Abstract: | The efficiency of bulk heterojunctions (BHJs) depends largely on their 3D morphology at the nanoscale. So far bright-field transmission electron microscopy imaging was used to elucidate their structure, applying imaging conditions, which may compromise reliability of image interpretation. We provide evidence that conventional electron micrographs cannot be used for assessing domain sizes when visualizing BHJs. Instead, we describe an analytical method to distinguish materials by their spectral characteristics, i.e. to visualize a material by its specific electronic excitations. Using analytical microscopy of ultra-thin films combined with optimized data analysis, the electronic excitations can directly be linked to materials and their spatial distribution. This is illustrated for an annealed film of [6,6]-phenyl C61 butyric acid methyl ester and poly(3-hexyl-thiophene), where we create a morphological map of the film based on functional contrast. |
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| DOI: | doi:10.1016/j.synthmet.2011.09.011 |
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| URL: | Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.
Volltext ; Verlag: http://dx.doi.org/10.1016/j.synthmet.2011.09.011 |
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| | Volltext: http://www.sciencedirect.com/science/article/pii/S0379677911003985 |
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| | DOI: https://doi.org/10.1016/j.synthmet.2011.09.011 |
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| Datenträger: | Online-Ressource |
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| Sprache: | eng |
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| Sach-SW: | Analytical electron microscopy |
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| | Bulk heterojunction |
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| | Low energy-loss electron spectroscopic imaging |
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| | Multivariate statistical analysis |
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| | Organic photovoltaics |
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| K10plus-PPN: | 1583721959 |
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| Verknüpfungen: | → Zeitschrift |
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Visualizing photovoltaic nanostructures with high-resolution analytical electron microscopy reveals material phases in bulk heterojunctions / Pfannmöller, Martin [VerfasserIn]; 2012 (Online-Ressource)
