Cyanated diazatetracene diimides with ultrahigh electron affinity for n-channel field effect transistors

  • Qun Ye
  • , Jingjing Chang
  • , Kuo Wei Huang
  • , Xueliang Shi
  • , Jishan Wu
  • , Chunyan Chi*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

74 Scopus citations

Abstract

Several diazatetracene diimides with high electron affinity (up to 4.66 eV!) were prepared and well characterized. The LUMO energy level of these electron-deficient molecules was found to be closely related to their material stability. Compound 7 with ultrahigh electron affinity suffered from reduction and hydrolysis in the presence of silica gel or water. The stable compounds 3 and 6 showed n-channel FET behavior with an average electron mobility of 0.002 and 0.005 cm2 V-1 s-1, respectively, using a solution processing method.

Original languageEnglish
Pages (from-to)1194-1197
Number of pages4
JournalOrganic Letters
Volume15
Issue number6
DOIs
StatePublished - 15 Mar 2013
Externally publishedYes

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