Author:
Martens T.,D'Haen J.,Munters T.,Goris L.,Beelen Z.,Manca J.,D'Olieslaeger M.,Vanderzande D.,Schepper L. De,Andriessen R.
Abstract
AbstractIn this paper, a clear view on the bulk microstructure of MDMO-PPV:PCBM blends as used in bulk hetero-junction organic solar cells is obtained by means of TEM (Transmission Electron Microscopy). Using TEM, 3-dimensional information is acquired on phase separated regions, formed during casting. Particle statistics illustrate quantitatively that a.o. drying conditions and choice of solvent dramatically influence the blend structure. More information about the lateral blend structure and distribution is obtained in cross-sectional view. Since blend morphology is strongly related to photovoltaic performance, TEM can be a powerful tool for understanding today's photovoltaic performances and screening new sets of materials.
Publisher
Springer Science and Business Media LLC
Reference9 articles.
1. [2] Brabec J.C. Zera G. Saritiftci N.S. Chem. Phys. Lett., in print.
Cited by
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