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Influence of charge carrier injection at emitter electrode/emitter interface on the performance of metal-base organic transistors

  • Kai Zhao
  • , Jia Chun Deng
  • , Xiao Man Cheng
  • , Xiao Ming Wu
  • , Li Ying Yang
  • , Yu Lin Hua
  • , Jun Wei
  • , Shou Gen Yin*
  • *Corresponding author for this work
  • Tianjin University of Technology
  • Agency for Science, Technology and Research, Singapore

Research output: Contribution to journalArticlepeer-review

Abstract

Pentacene-based metal-base organic transistors (MBOTs) are fabricated. The influence of the charge carrier injection efficiency at the emitter electrode/emitter interface on the device performance is investigated. It is found that the current modulation and the on/off ratio increase with the injection efficiency. By inserting poly(3,4-ethylenedioxythiophene) (PEDOT): PSS/m-MTDATA layers at the emitter electrode/emitter interface, the current modulation and the on/off ratio reach 6.7 mAcm-2 and 23, respectively. Meanwhile, the current gain is 95-96 in our experiment, which is almost independent on the injection efficiency.

Original languageEnglish
Pages (from-to)195-198
Number of pages4
JournalOptoelectronics Letters
Volume6
Issue number3
DOIs
StatePublished - 2010
Externally publishedYes

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