Erb, T. ; Zhokhavets, U. ; Gobsch, G. ; Raleva, S. ; Stühn, B. ; Schilinsky, P. ; Waldauf, C. ; Brabec, C. J. (2005)
Correlation between structural and optical properties of composite polymer/fullerene films for organic solar cells.
In: Advanced Functional Materials, 15 (7)
doi: 10.1002/adfm.200400521
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
We investigate thin poly(3-hexylthiophene-2,5-diyl)/[6,6]-phenyI C-61 butyric acid methyl ester (P3HT/PCBM) films, which are widely used as active layers in plastic solar cells. Their structural properties are studied by grazing-incidence X-ray diffraction (XRD). The size and the orientation of crystalline]P3HT nanodomains within the films are determined. PCBM crystallites are not detected in thin films by XRD. Upon annealing, the P3HT crystallinity increases, leading to an increase in the optical absorption and spectral photocurrent in the low-photon-energy region. As a consequence, the efficiency of P3HT/PCBM solar cells is significantly increased. A direct relation between efficiency and P3HT crystallinity is demonstrated.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2005 |
| Autor(en): | Erb, T. ; Zhokhavets, U. ; Gobsch, G. ; Raleva, S. ; Stühn, B. ; Schilinsky, P. ; Waldauf, C. ; Brabec, C. J. |
| Art des Eintrags: | Bibliographie |
| Titel: | Correlation between structural and optical properties of composite polymer/fullerene films for organic solar cells |
| Sprache: | Englisch |
| Publikationsjahr: | Juli 2005 |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Advanced Functional Materials |
| Jahrgang/Volume einer Zeitschrift: | 15 |
| (Heft-)Nummer: | 7 |
| DOI: | 10.1002/adfm.200400521 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | We investigate thin poly(3-hexylthiophene-2,5-diyl)/[6,6]-phenyI C-61 butyric acid methyl ester (P3HT/PCBM) films, which are widely used as active layers in plastic solar cells. Their structural properties are studied by grazing-incidence X-ray diffraction (XRD). The size and the orientation of crystalline]P3HT nanodomains within the films are determined. PCBM crystallites are not detected in thin films by XRD. Upon annealing, the P3HT crystallinity increases, leading to an increase in the optical absorption and spectral photocurrent in the low-photon-energy region. As a consequence, the efficiency of P3HT/PCBM solar cells is significantly increased. A direct relation between efficiency and P3HT crystallinity is demonstrated. |
| Fachbereich(e)/-gebiet(e): | 05 Fachbereich Physik > Institut für Festkörperphysik (2021 umbenannt in Institut für Physik Kondensierter Materie (IPKM)) 05 Fachbereich Physik |
| Hinterlegungsdatum: | 27 Feb 2010 13:31 |
| Letzte Änderung: | 05 Mär 2013 09:32 |
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