Improving the optical and electrical properties of Fluorine-doped tin oxide films by various post-annealing treatments

Pin Jen Chen, Bo Huei Liao, Chien Cheng Kuo, Cheng Chung Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Transparent conducting Fluorine-doped tin oxide (FTO) thin films were deposited on glass substrates by pulsed DC magnetron sputtering from cost saving metal targets. We observed lower resistivity and higher average transmittance in the visible range after the application of various post heating treatments. The electrical and optical properties of FTO films were investigated. When the annealing temperature is 400°C in air, the average transmittance is 79.79% with the lowest resistivity of 1.38×10-3 ω-cm, carrier density of 2.27×1020 cm-3 and mobility of 20 cm 2/V-s. When the annealing temperature is 400°C in a H2 5%+N2 95% atmosphere, the average transmittance is 79.75 % with the lowest resistivity of 1.26×10-3 ω-cm, carrier density of 2.17×1020 cm-3 and mobility of 22.8 cm 2/V-s. When the annealing temperature is 350 °C in vacuum, the average transmittance is 80.48% with the lowest resistivity of 1.23×10-3 ω-cm, carrier density of 4.40×10 20 cm-3 and mobility of 11.6 cm2/V-s.

Original languageEnglish
Title of host publicationCurrent Developments in Lens Design and Optical Engineering XI; and Advances in Thin Film Coatings VI
DOIs
StatePublished - 2010
EventCurrent Developments in Lens Design and Optical Engineering XI; and Advances in Thin Film Coatings VI - San Diego, CA, United States
Duration: 1 Aug 20103 Aug 2010

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7786
ISSN (Print)0277-786X

Conference

ConferenceCurrent Developments in Lens Design and Optical Engineering XI; and Advances in Thin Film Coatings VI
Country/TerritoryUnited States
CitySan Diego, CA
Period1/08/103/08/10

Keywords

  • FTO
  • Post-annealing
  • Pulse DC magnetron sputtering CF
  • TCO

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