Orientation-induced molecular rectification in polymer films: improving the efficiency of polymer photovoltaic cells

17 April 1998 Orientation-induced molecular rectification in polymer films: improving the efficiency of polymer photovoltaic cells

Jean-Michel Nunzi, Lionel Sicot, Carole Sentein, Celine Fiorini-Debuisschert

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Proceedings Volume 3281, Polymer Photonic Devices; (1998) https://doi.org/10.1117/12.305414
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

In an attempt to build single polymer film photovoltaic cells, we underline the intrinsic rectifying nature of an oriented polymeric material. Orientation of the initially symmetric structure is performed through DC-field ordering of the polar molecules contained in the polymer. The internal field induced in the polymeric material is evidenced by the induction of a rectifying current-voltage characteristic. Second harmonic generation is used as a probe of the molecular order. Orientation induced rectification is proportional to the molecular order. This preparation technique opens a new route for the improvement of organic-semiconductor devices efficiency.

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Jean-Michel Nunzi, Lionel Sicot, Carole Sentein, and Celine Fiorini-Debuisschert "Orientation-induced molecular rectification in polymer films: improving the efficiency of polymer photovoltaic cells", Proc. SPIE 3281, Polymer Photonic Devices, (17 April 1998); https://doi.org/10.1117/12.305414

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