Transparent conductive tungsten-doped tin oxide thin films synthesized by sol-gel technique on quartz glass substrates

Yanwei Huang, Dezeng Li, Jiahan Feng, Guifeng Li, Qun Zhang

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Transparent conductive tungsten-doped tin oxide (SnO2:W) thin films were synthesized on quartz glass substrates by sol-gel dip-coating method. It was found that the films were highly transparent and the average optical transmission was about 90% in the visible and near infrared region from 400 to 2,500 nm. The optical band gap is about 4.1 eV. The lowest resistivity of 5.8 × 10-3 ohm cm was obtained, with the carrier mobility of 14.2 cm2 V-1 s-1 and carrier concentration of 7.6 × 1019 cm-3 in 3 at.% W-doping films annealed at 850 °C in air. The structural properties, surface morphology and chemical states for the films were investigated.

Original languageEnglish
Pages (from-to)276-281
Number of pages6
JournalJournal of Sol-Gel Science and Technology
Volume54
Issue number3
DOIs
StatePublished - Jun 2010
Externally publishedYes

Keywords

  • Sol-gel technique
  • Thin films
  • Transparent conductive oxide (TCO)
  • Tungsten-doped tin oxide

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