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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/13841

Title: Relation between Morphology and Recombination Kinetics in Nanostructured Hybrid Solar Cells
Authors: Conings, Bert
Baeten, Linny
Boyen, Hans-Gerd
D'Haen, Jan
Van Bael, Marlies K.
Manca, Jean
Issue Date: 2012
Citation: Journal of Physical Chemistry C, 116, p. 14237-14242
Abstract: Systematic performance improvement of excitonic solar cells hinges on thorough knowledge of their main loss mechanisms. Accordingly, the study of recombination kinetics is indispensable, enabling to identify and quantify what is considered the most important loss pathway for such devices. In contrast to the advances made in controlling the morphology of organic bulk heterojunction solar cells, it remains challengin to establish a robust correlation between morphology and recombination kinetics. Most obvious culpritsare the rather disordered nature of most heterojunctions and the absence of phase purity. In that respect, hybrid solar cells based on ZnO nanorod arrays and poly(3- hexylthiophene) can offer a convenient means to study recombination, as their morphology is easier to control and to quantify. Therefore, tunability of bulk and interfacial morphology of such solar cells is utilized in this work to evidence a direct relation between morphology, recombination kinetics and device performance.
URI: http://hdl.handle.net/1942/13841
DOI: 10.1021/jp304042v
ISI #: 000306303800008
ISSN: 1932-7447
Category: A1
Type: Journal Contribution
Validation: ecoom, 2014
Appears in Collections: Research publications

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