High electron mobility in bathophenanthroline

Shigeki Naka*, Hiroyuki Okada, Hiroyoshi Onnagawa, Tetsuo Tsutsui

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

312 Scopus citations

Abstract

We have measured electron mobility in vacuum-deposited films of 4,7-diphenyl-1,10-phenanthroline (bathophenanthroline, or BPhen) using a time-of-flight technique. Electron transport was highly dispersive for BPhen with a dispersion parameter of a value 0.30. The electron mobility in excess of 10-4 cm2/V s has been observed at electric fields of the order of 105 V/cm with weakly dependent on the electric field. The characteristic energy of the distribution is obtained a value 0.09 eV. It is directly confirmed that the BPhen has superior electron-transport capability.

Original languageEnglish
Pages (from-to)197-199
Number of pages3
JournalApplied Physics Letters
Volume76
Issue number2
DOIs
StatePublished - 2000/01/10

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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