TITLE

A printable form of silicon for high performance thin film transistors on plastic substrates

AUTHOR(S)
Menard, E.; Lee, K. J.; Khang, D.-Y.; Nuzzo, R. G.; Rogers, J. A.
PUB. DATE
June 2004
SOURCE
Applied Physics Letters;6/28/2004, Vol. 84 Issue 26, p5398
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Free-standing micro- and nanoscale objects of single crystal silicon can be fabricated from silicon-on-insulator waters by lithographic patterning of resist, etching of the exposed top silicon, and removing the underlying SiO2 to lift-off the remaining silicon. A large collection of such objects constitutes a type of material that can be deposited and patterned, by dry transfer printing or solution casting, onto plastic substrates to yield mechanically flexible thin film transistors that have excellent electrical properties. Effective mobilities of devices built with this material, which we refer to as microstructured silicon (μs-Si), are demonstrated to be as high as 180 cm2V s on plastic substrates. This form of ‘top down’ microtechnology might represent an attractive route to high performance flexible electronic systems.
ACCESSION #
13495684

 

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