High-performance bottom electrode organic thin-film transistors

Kymissis, Ioannis; Dimitrakopoulos, Christos; Purushothaman, S.

doi:10.1109/16.925226

Cited by 299 publications

(176 citation statements)

References 17 publications

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“…High-resolution devices are also difficult to fabricate because of the sensitivity of the semiconductors to resists, developers, and solvents used in most lithographic techniques for defining the source and drain (10,28). Bottom contact devices, on the other hand, are mechanically robust (they use semiconductor layers deposited on top of source͞drain electrodes that are strongly bonded to the dielectric) and they can be fabricated easily by depositing the semiconductor onto lithographically prepatterned electrodes.…”

Section: Resultsmentioning

confidence: 99%

Soft, conformable electrical contacts for organic semiconductors: High-resolution plastic circuits by lamination

Loo¹,

Someya²,

Baldwin³

et al. 2002

Proc. Natl. Acad. Sci. U.S.A.

209

129

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Soft, conformable electrical contacts provide efficient, noninvasive probes for the transport properties of chemically and mechanically fragile, ultrathin organic semiconducting films. When combined with high-resolution printing and lamination techniques, these soft contacts also form the basis of a powerful technique for fabricating flexible plastic circuits. In this approach, a thin elastomeric film on a plastic substrate supports the electrodes and interconnections; laminating this substrate against another plastic substrate that supports the gate, dielectric and semiconductor levels establishes effective electrical contacts and completes the circuits. In addition to eliminating many of the problems associated with traditional layer-by-layer fabrication strategies, this lamination scheme possesses other attractive features: the transistors and circuit elements are naturally and efficiently encapsulated, and the active organic semiconductor layer is placed near the neutral mechanical plane. We demonstrate the features of soft, laminated contacts by fabricating large arrays of high-performance thin film transistors on plastic substrates by using a wide variety of organic semiconductors.

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Section: Resultsmentioning

confidence: 99%

Soft, conformable electrical contacts for organic semiconductors: High-resolution plastic circuits by lamination

Loo¹,

Someya²,

Baldwin³

et al. 2002

Proc. Natl. Acad. Sci. U.S.A.

209

129

View full text Add to dashboard Cite

show abstract

“…[ [23][24][25] Recent studies on metal/SAM/pentacene systems have shown that SAMs not only alter the alignment of the electronic energy levels at the interface, but also influence the morphology of the evaporated pentacene layers. [26][27][28][29] The presence of the SAM on the metal reduces the surface free energy and promotes the growth of pentacene layers with a standing-up orientation.…”

Section: Single-layer Pentacene Field-effect Transistors Using Electrmentioning

confidence: 99%

Single‐Layer Pentacene Field‐Effect Transistors Using Electrodes Modified With Self‐assembled Monolayers

et al. 2009

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“…From fabrication point of view, bottom contact OTFT is preferred because in this design the soft organic semiconductor can be protected from harsh chemicals, high temperatures and metal penetration. However, usually bottom contact OTFT show inferior performance, the reasons for which is provided on the basis of large metal-semiconductor contact resistance, irregular deposition or poor morphology of the semiconductor films around the source and drain contacts (Kang et al, 2003;Kymissis et al, 2001;Koch et al, 2002;Lee et al 2006. In the bottom contact OTFT, it is possible that both the contact barrier and the structural inhomogenities in the semiconductor play important role in affecting the charge injection and transport characteristics.…”

Section: Effect Of Device Design Of Otftmentioning

confidence: 99%

Importance of Simulation Studies in Analysis of Thin Film Transistors Based on Organic and Metal Oxide Semiconductors

Gupta¹,

Nayak²,

Yoo³

et al. 2011

Numerical Simulations of Physical and Engineering Processes

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High-performance bottom electrode organic thin-film transistors

Cited by 299 publications

References 17 publications

Soft, conformable electrical contacts for organic semiconductors: High-resolution plastic circuits by lamination

Soft, conformable electrical contacts for organic semiconductors: High-resolution plastic circuits by lamination

Single‐Layer Pentacene Field‐Effect Transistors Using Electrodes Modified With Self‐assembled Monolayers

Importance of Simulation Studies in Analysis of Thin Film Transistors Based on Organic and Metal Oxide Semiconductors

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