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|Title: ||Relation between Morphology and Recombination Kinetics in Nanostructured Hybrid Solar Cells|
|Authors: ||Conings, Bert|
Van Bael, Marlies K.
|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.|
|ISI #: ||000306303800008|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2014|
|Appears in Collections: ||Research publications|
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