Charge Carrier Mobility in Poly(N,N′-bis-4-butylphenyl-N,N′-bisphenyl)benzidine Composites with Electron Acceptor Molecules

Alexey R. Tameev, Alexey E. Aleksandrov, Ildar R. Sayarov, Sergey I. Pozin, Dmitry A. Lypenko, Artem V. Dmitriev, Natalia V. Nekrasova, Andrey Yu Chernyadyev, Aslan Yu Tsivadze

Research output: Contribution to journalArticlepeer-review

Abstract

Polymer composites based on poly(N,N′-bis-4-butylphenyl-N,N′-bisphenyl)benzidine (poly-TPD) with PCBM and copper(II) pyropheophorbide derivative (Cu-PP) were developed. In thin films of the poly-TPD and Cu-PP composites, the charge carrier mobility was investigated for the first time. In the ternary poly-TPD:PCBM:Cu-PP composite, the electron and hole mobilities are the most balanced compared to binary composites and the photoconductivity is enhanced due to the sensitization by Cu-PP in blue and red spectral ranges. The new composites are promising for use in the development of photodetectors.

Original languageEnglish
Article number570
JournalPolymers
Volume16
Issue number5
DOIs
Publication statusPublished - 1 Mar 2024
Externally publishedYes

Keywords

  • CELIV
  • SCLC
  • charge carrier mobility
  • copper (II) pyropheophorbide
  • photoconductivity
  • poly-TPD
  • polymer composite

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