Charge carrier generation and exciton quenching at M3EH-PPV/small-molecule and M3EH-PPV/oxide interfaces

K. E. Brown, A. J. Breeze, G. Rumbles, B. A. Gregg, P. A. Parilla, J. D. Perkins, H. Tillman, H. H. Hörhold, D. S. Ginley

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

The need for efficient exciton dissociation is one of the most important factors limiting improved efficiencies in organic photovoltaic devices. Using luminescence as a probe, we studied the quenching of excitons in semiconducting polymers for a variety of quenching materials, including transparent conducting oxides (TCOs) and small molecule perylene diimide thin films. Perylene benzimidazole (PBI) is shown to be the best quencher of those studied. This result is consistent with the improved conversion efficiencies demonstrated when this material is used in a polymer bilayer photovoltaic device.

Original languageEnglish
Pages (from-to)1186-1189
Number of pages4
JournalConference Record of the IEEE Photovoltaic Specialists Conference
Publication statusPublished - Dec 1 2002
Event29th IEEE Photovoltaic Specialists Conference - New Orleans, LA, United States
Duration: May 19 2002May 24 2002

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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    Brown, K. E., Breeze, A. J., Rumbles, G., Gregg, B. A., Parilla, P. A., Perkins, J. D., Tillman, H., Hörhold, H. H., & Ginley, D. S. (2002). Charge carrier generation and exciton quenching at M3EH-PPV/small-molecule and M3EH-PPV/oxide interfaces. Conference Record of the IEEE Photovoltaic Specialists Conference, 1186-1189.