Indium-cadmium-oxide films having exceptional electrical conductivity and optical transparency: Clues for optimizing transparent conductors

A. Wang, J. R. Babcock, N. L. Edleman, A. W. Metz, M. A. Lane, R. Asahi, V. P. Dravid, C. R. Kannewurf, Arthur J Freeman, Tobin J Marks

Research output: Contribution to journalArticle

104 Citations (Scopus)

Abstract

Materials with high electrical conductivity and optical transparency are needed for future flat panel display, solar energy, and other opto-electronic technologies. InxCd1-xO films having a simple cubic microstructure have been grown on amorphous glass substrates by a straightforward chemical vapor deposition process. The x = 0.05 film conductivity of 17,000 S/cm, carrier mobility of 70 cm2/Vs, and visible region optical transparency window considerably exceed the corresponding parameters for commercial indium-tin oxide. Ab initio electronic structure calculations reveal small conduction electron effective masses, a dramatic shift of the CdO band gap with doping, and a conduction band hybridization gap caused by extensive Cd 5s + In 5s mixing.

Original languageEnglish
Pages (from-to)7113-7116
Number of pages4
JournalProceedings of the National Academy of Sciences of the United States of America
Volume98
Issue number13
DOIs
Publication statusPublished - Jun 19 2001

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Solar Energy
Electric Conductivity
Glass
Electrons
Technology
indium oxide
cadmium oxide
indium tin oxide

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Indium-cadmium-oxide films having exceptional electrical conductivity and optical transparency : Clues for optimizing transparent conductors. / Wang, A.; Babcock, J. R.; Edleman, N. L.; Metz, A. W.; Lane, M. A.; Asahi, R.; Dravid, V. P.; Kannewurf, C. R.; Freeman, Arthur J; Marks, Tobin J.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 98, No. 13, 19.06.2001, p. 7113-7116.

Research output: Contribution to journalArticle

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