High-performance transparent inorganic-organic hybrid thin-film n-type transistors

Lian Wang, Myung Han Yoon, Gang Lu, Yu Yang, Antonio Facchetti, Tobin J Marks

Research output: Contribution to journalArticle

285 Citations (Scopus)

Abstract

High-performance thin-film transistors (TFTs) that can be fabricated at low temperature and are mechanically flexible, optically transparent and compatible with diverse substrate materials are of great current interest. To function at low biases to minimize power consumption, such devices must also contain a high-mobility semiconductor and/or a high-capacitance gate dielectric. Here we report transparent inorganic-organic hybrid n-type TFTs fabricated at room temperature by combining In2O3 thin films grown by ion-assisted deposition, with nanoscale organic dielectrics self-assembled in a solution-phase process. Such TFTs combine the advantages of a high-mobility transparent inorganic semiconductor with an ultrathin high-capacitance/low-leakage organic gate dielectric. The resulting, completely transparent TFTs exhibit excellent operating characteristics near 1.0V with large field-effect mobilities of >120cm2V1s1, drain-source current on/off modulation ratio (Ion/Ioff)105, near-zero threshold voltages and sub-threshold gate voltage swings of 90mV per decade. The results suggest new strategies for achieving invisibleoptoelectronics.

Original languageEnglish
Pages (from-to)893-900
Number of pages8
JournalNature Materials
Volume5
Issue number11
DOIs
Publication statusPublished - Nov 9 2006

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Thin film transistors
Transistors
transistors
Thin films
Gate dielectrics
thin films
Capacitance
Ions
Semiconductor materials
threshold gates
capacitance
Threshold voltage
Electric power utilization
threshold voltage
Modulation
ions
leakage
Temperature
Electric potential
Substrates

ASJC Scopus subject areas

  • Engineering(all)

Cite this

High-performance transparent inorganic-organic hybrid thin-film n-type transistors. / Wang, Lian; Yoon, Myung Han; Lu, Gang; Yang, Yu; Facchetti, Antonio; Marks, Tobin J.

In: Nature Materials, Vol. 5, No. 11, 09.11.2006, p. 893-900.

Research output: Contribution to journalArticle

Wang, Lian ; Yoon, Myung Han ; Lu, Gang ; Yang, Yu ; Facchetti, Antonio ; Marks, Tobin J. / High-performance transparent inorganic-organic hybrid thin-film n-type transistors. In: Nature Materials. 2006 ; Vol. 5, No. 11. pp. 893-900.
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