Exploratory combustion synthesis: Amorphous indium yttrium oxide for thin-film transistors

Jonathan W. Hennek, Myung Gil Kim, Mercouri G Kanatzidis, Antonio Facchetti, Tobin J Marks

Research output: Contribution to journalArticle

84 Citations (Scopus)

Abstract

We report the implementation of amorphous indium yttrium oxide (a-IYO) as a thin-film transistor (TFT) semiconductor. Amorphous and polycrystalline IYO films were grown via a low-temperature solution process utilizing exothermic "combustion" precursors. Precursor transformation and the IYO films were analyzed by differential thermal analysis, thermogravimetric analysis, X-ray diffraction, atomic force microscopy, X-ray photoelectron spectroscopy, and optical transmission, which reveal efficient conversion to the metal oxide lattice and smooth, transparent films. a-IYO TFTs fabricated with a hybrid nanodielectric exhibit electron mobilities of 7.3 cm 2 V -1 s -1 (T anneal = 300 °C) and 5.0 cm 2 V -1 s -1 (T anneal = 250 °C) for 2 V operation.

Original languageEnglish
Pages (from-to)9593-9596
Number of pages4
JournalJournal of the American Chemical Society
Volume134
Issue number23
DOIs
Publication statusPublished - Jun 13 2012

Fingerprint

Combustion synthesis
Indium
Yttrium oxide
Thin film transistors
Differential Thermal Analysis
Photoelectron Spectroscopy
Semiconductors
Atomic Force Microscopy
X-Ray Diffraction
Oxides
Electron mobility
Metals
Electrons
Light transmission
Differential thermal analysis
Temperature
Thermogravimetric analysis
Atomic force microscopy
X ray photoelectron spectroscopy
Semiconductor materials

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Exploratory combustion synthesis : Amorphous indium yttrium oxide for thin-film transistors. / Hennek, Jonathan W.; Kim, Myung Gil; Kanatzidis, Mercouri G; Facchetti, Antonio; Marks, Tobin J.

In: Journal of the American Chemical Society, Vol. 134, No. 23, 13.06.2012, p. 9593-9596.

Research output: Contribution to journalArticle

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