Characterization and oxygen-sensing at polycrystalline copper-dicyanoanthraquinone diimines

Hwang Yaw Cheng, Chong Mou Wang, Lilian Kao Liu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A series of substituted dicyanoanthraquinone diimines (DCNAQI) and related copper complexes were synthesized and characterized. These materials behaved like semiconductor and showed strong absorption in the IR region. With bandgap excitation, the photoconductances measured at these copper-DCNAQI complexes revealed a nearly linear relationship with the partial pressure of oxygen atmosphere. This remarkable relationship might be attributed to the retardation of the electron mobility caused by the interaction between the electron and oxygen adsorbed at the Cu-DCNAQI surface.

Original languageEnglish
Pages (from-to)L607-L609
JournalJapanese Journal of Applied Physics
Volume33
Issue number4
DOIs
Publication statusPublished - 1994 Jan 1

Fingerprint

Copper
copper
Oxygen
Electron mobility
oxygen
electron mobility
Partial pressure
partial pressure
Energy gap
Semiconductor materials
atmospheres
Electrons
excitation
electrons
interactions

Keywords

  • Charge-transfer complex
  • Copper dicyanoanthraquinone diimines
  • Organic semiconductor
  • Oxygen-sensing

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Characterization and oxygen-sensing at polycrystalline copper-dicyanoanthraquinone diimines. / Cheng, Hwang Yaw; Wang, Chong Mou; Liu, Lilian Kao.

In: Japanese Journal of Applied Physics, Vol. 33, No. 4, 01.01.1994, p. L607-L609.

Research output: Contribution to journalArticle

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