The European Physical Journal Special Topics

, Volume 227, Issue 3–4, pp 259–268 | Cite as

Magnetic fields: a tool for the study of organic solar cells

  • Santiago Oviedo-CasadoEmail author
  • Antonio Urbina
  • Javier Prior
Regular Article
Part of the following topical collections:
  1. Quantum Systems In and Out of Equilibrium - Fundamentals, Dynamics and Applications


Charge transfer in polymer devices represents a crucial, though highly inaccessible stage of photocurrent generation. In this article we propose studying the properties and behaviour of organic solar cells through the modification of photocurrent generation when an external magnetic field is applied. By allowing the parameters of our theoretical model not to be constrained to any specific material, we are able to show that not only a modest external magnetic field leads to a significant increase in photocurrent intensity, but also how such magnetic field can be used to study in detail the energy levels and transition rates within the polymer compound. Systematic exploration of key properties in organic composites thus can lead to highly optimised devices in which a magnetic field produces an enhancement in the efficiency of polymer solar cells.


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© EDP Sciences and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Departamento de Física Aplicada, Universidad Politécnica de CartagenaCartagenaSpain
  2. 2.Departamento de Electrónica, Universidad Politécnica de CartagenaCartagenaSpain
  3. 3.Instituto Carlos I de Física Teórica y Computacional, Universidad de GranadaGranadaSpain

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