Prediction of an order of magnitude for electron and hole mobilities using 1D simulations

Damir Aidarkhanov, Adam Raba, Yann Leroy, Anne Sophie Cordan

Research output: Contribution to journalArticlepeer-review

Abstract

Organic photovoltaics has attracted much effort and many research groups during the past decade, because of low-cost and easy fabrication techniques. Despite the great progress that has been achieved in increasing the conversion efficiencies of the devices, there are still several problems to be solved to make the solar cells commercially viable, especially for cells based on bulk heterojunctions. The purpose of this work is to supply techniques for predicting the order of magnitude of the charge carrier mobilities of bulk heterojunction devices, on the basis of easy-to-perform measurements for experimentalists. A one dimensional model of a bulk heterojunction cell was used, and then simulations were performed in order to obtain the photocurrent as a function of an effective applied voltage. Plotted in a double logarithmic scale, the resulting curves exhibit different signatures depending on the mobilities of the charge carriers. These signatures could be helpful for experimentalists in order to predict an order of magnitude for both the electron mobility and the hole mobility.

Original languageEnglish
JournalJournal of the Marine Biological Association of the United Kingdom
Volume1537
Issue number5
DOIs
Publication statusPublished - Nov 6 2013

Keywords

  • organic
  • photovoltaic
  • simulation

ASJC Scopus subject areas

  • Aquatic Science

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