Electronic structure of transparent conducting Mo-doped indium oxide films grown by polymer assisted solution process

Aeran Song, Hyun Woo Park, Sujaya Kumar Vishwanath, Jihoon Kim, Ju Yeoul Baek, Kyoung Jun Ahn, Kwun Bum Chung

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Transparent conducting properties of molybdenum doped indium oxide thin films by polymer-assisted solution (PAS) were investigated as a function of Mo doping concentration. Indium oxide films with molybdenum of ~1.5% (MIO) showed lowest electrical resistivity with 7.89×10−4 Ω cm, compared to those of indium oxide films with 4.39×10−3 Ω cm. The enhancement of the transparent conducting properties by molybdenum doping were explained by the electronic structure in terms of chemical bonding states, band edge states below the conduction band, and band alignment. Molybdenum doping into indium oxide films resulted in the evolution of the conduction band and the change of band alignment.

Original languageEnglish
Pages (from-to)14754-14759
Number of pages6
JournalCeramics International
Volume42
Issue number13
DOIs
StatePublished - Oct 2016

Keywords

  • Chemical bonding states
  • Conduction band offset
  • Electronic structure
  • Molybdenum doped indium oxide
  • Transparent conducting oxide

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