Transparent multilayer indium-zinc-oxide films deposited by DC sputtering

Jun Ho Kim, Jin Young Moon, Hyunghoon Kim, Ho Seong Lee, Hyung Koun Cho, Jong Hoon Lee, Hong Seung Klm

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Transparent multilayer indium-zinc-oxide (IZO) films are designed and fabricated to achieve low- resistance and highly-transparent electrodes on glass substrates. IZO multilayers were fabricated by inserting an In203 - 90wt% ZnO (Zn-rich IZO) thin film between two layers of In2O3-10 wt% ZnO (In-rich IZO) thin films. The In-rich IZO/Zn-rich IZO/In-rich IZO multilayer film exhibited a low resistance of 4.6 × 10-5 ω-cm and a high transparency of about 80 %. In comparison with IZO films without a Zn-rich IZO interlayer, the electrical and the optical properties of the IZO multilayer films are improved. After the annealing treatment, the electrical resistiviy of the multilayer films were increased due to the annihilation of oxygen vacancies or to grain boundary scattering caused by crystallization of the multilayer.

Original languageEnglish
Pages (from-to)1931-1935
Number of pages5
JournalJournal of the Korean Physical Society
Volume55
Issue number5 PART 1
DOIs
StatePublished - Nov 2009

Keywords

  • DC sputtering
  • Indium zinc oxide
  • Microstructure

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