Rectification ratio and direction controlled by temperature in copper phthalocyanine ensemble molecular diodes

We report on the first observation of temperature-driven inversion of the rectification direction in ensemble molecular diodes prepared in a vertical stack configuration

Carolina Sergi Lopes

2020

Scholarcy highlights

  • Organic diodes and molecular rectifiers are fundamental electronic devices that share one common feature: current rectification ability
  • The ensemble molecular diodes are composed of 20 nm thick molecular ensembles of copper phthalocyanine in close contact with one of its fluorinated derivatives
  • The current rectification was found to be dependent on the interplay of such distinct charge transport mechanisms
  • The temperature has played a crucial role in each charge transport transition, which we have investigated via electrical measurements and band diagram analysis, providing the fundamentals on the inversion of the rectification direction occurrence
  • Reproduced material should be attributed as follows: For reproduction of material from NJC: - Reproduced by permission of The Royal Society of Chemistry on behalf of the Centre National de la Recherche Scientifique and the RSC
  • For reproduction of material from PPS: - Reproduced by permission of The Royal Society of Chemistry on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC

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