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Polish Academy of Sciences

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Francesco Errani

University of Bologna (IT)

Recent publications
1.  Lanzi M., Paganin L., Pierini F., Errani F., Di-Nicola F.P., Use of poly(3-methylthio)thiophene blends for direct laser tracing and bulck heterojunction solar cells, REACTIVE AND FUNCTIONAL POLYMERS, ISSN: 1381-5148, DOI: 10.1016/j.reactfunctpolym.2014.07.007, Vol.83, pp.33-41, 2014

Abstract:
In this article we demonstrate the use of a blend made of two regioregular polythiophenic derivatives, namely poly(3-methylthio)thiophene and poly(3-hexyl)thiophene, to obtain conductive traces by the simple laser exposure of their thin films to a suitable laser source. The polymeric blend was also tested as a photoactive layer for BHJ solar cells, showing an improved surface morphology and a wider absorption spectrum, thus resulting in an enhanced photovoltaic performance. In the standard condition normally used for the cell preparation, we obtained a 3.16% power conversion efficiency. The device showed good reproducibility and stability over time.

Keywords:
Electrical conductivity, Laser tracing, Bulk heterojunction polymeric solar cells, Regioregular polyalkylthiophenes, Polymer blends

Affiliations:
Lanzi M. - University of Bologna (IT)
Paganin L. - University of Bologna (IT)
Pierini F. - other affiliation
Errani F. - University of Bologna (IT)
Di-Nicola F.P. - University of Bologna (IT)

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