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Pentacene Transistors with Polymer Gate Dielectrics on Metallized Optical Fibers

Published online by Cambridge University Press:  01 February 2011

Jimmy Granstrom
Affiliation:
Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey, 07974
Howard E. Katz
Affiliation:
Bell Laboratories, Lucent Technologies, Murray Hill, New Jersey, 07974
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Abstract

It is difficult to deposit a very thin polymer layer onto a fiber-shaped substrate from solution because the high interfacial energy can lead to dewetting. This difficulty presents itself when attempting to apply a gate dielectric to conductive fiber substrates during the fabrication of fiber transistors for use in applications such as “electrotextiles” and optical switches. We present a dip coating process that applies a gate dielectric to metal-coated optical fibers with high uniformity and reproducibility, resulting in pentacene field-effect transistors (FETs) with excellent transistor characteristics including mobilities up to 0.4 cm2/Vs and on/off ratios up to 7000. In one case, a memory effect was demonstrated. Several gate dielectrics were successfully applied to the optical fibers, suggesting a baseline set of suitable materials for this purpose. A thorough study of the dip coating conditions is presented, including proposed explanations of the effects of different coating procedures and solution physical properties.

Type
Research Article
Copyright
Copyright © Materials Research Society 2005

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References

REFERENCES

1 Gamota, D. R., Brazis, P., Kalyanasundaram, K., and Zhang, J., Printed Organic and Molecular Electronics (Kluwer, New York, 2003).Google Scholar
2 Kagan, C. R. and Andry, P., Thin Film Transistors (Marcel Dekker, New York, 2003).Google Scholar
3 Shur, M. S., Electronics on Unconventional Substrates--Electrotextiles & Giant-Area Flexible Circuits, Vol. 736 (Warrenville, PA, 2002).Google Scholar
4 Etheridge, E. and Urban, D., Electrotextiles (World Scientific Publishing, River Edge, NJ, 2002).Google Scholar
5 Bonderover, E., Wagner, S., and Suo, Z., “Amorphous Silicon Thin Film Transistors on Kapton Fibers”, Materials Research Society Symposium Proceedings 736, D2.5.1 (2003).Google Scholar
6 Lee, J. B. and Subramanian, V., “Organic Transistors on Fiber: a First Step toward Electronic Textiles”, IEEE IEDM Proceedings (2003).Google Scholar
7 Eldada, L., “Optical Comunication Components”, Review of Scientific Instruments 75, 575593 (2004).Google Scholar
8 Hsieh, J., Mach, P., Cattaneo, F., Yang, S., Krupenkine, T., Baldwin, K., and Rogers, J. A., “Tunable Microfluidic Optical Fiber Devices Based on Electrowetting Pumps and Plastic Microchannels”, Ieee Photonics Technology Letters 15, 8183 (2003).Google Scholar
9 Acharya, B. R., Krupenkin, T., Ramachandran, S., Wang, Z., Huang, C. C., and Rogers, J. A., “Tunable Optical Fiber Devices Based on Broadband Long-pieroid Gratings and Pumped Microfluidics”, Applied Physics Letters 83, 49124914 (2003).Google Scholar
10 Jeong, Y., Kim, H. R., Baek, S., Kim, Y., Lee, Y. W., Lee, S. D., and Lee, B., “Polarization-isolated Optical Modulation of an Etched Long-period Fiber Grating with an Outer Liquid Crystal Cladding”, Optical Engineering 42, 964968 (2003).Google Scholar
11 Jaroszewicz, L. R., Klosowicz, S. J., Czuprynski, K., Kiezun, A., Nowinowski-Kruszelnicki, E., and Niedziela, T., “Tunable Liquid Crystal Fiber-optical Polarizer and Related Elements”, Molecular Crystals and Liquid Crystals 368, 37853792 (2001).Google Scholar
12 Lyons, E. R. and Lee, H. P., “An Electrically Tunable All-fiber Polarization Controller Based on Thin Film Microheaters”, Ieee Photonics Technology Letters 14, 13181320 (2002).Google Scholar
13 Li, L., Geng, R. X., Zhao, L., Chen, G., Chen, G. T., Fang, Z. J., and Lam, C. F., “Response Characteristics of Thin-film-heated Tunable Fiber Bragg Gratings”, Ieee Photonics Technology Letters 15, 545547 (2003).Google Scholar
14 Katz, H. E., Hong, X. M., Dodabalapur, A., and Sarpeshkar, R., “Organic Field-effect Transistors with Polarizable Gate Insulators”, Journal of Applied Physics 91, 15721576 (2001).Google Scholar
15 Mushrush, M., Facchetti, A., Lefenfeld, M., Katz, H. E., and Marks, T. J., “Easily Processed Phenylene-thiophene-based Organic Field-effect Transistors and Solution-fabricated Nonvolatile Transistor Memory Elements”, Journal of the American Chemical Society 125, 94149423 (2003).Google Scholar
16 Knipp, D., Street, R. A., and Volkel, A. R., “Morphology and Electronic Transport of Polycrystalline Pentacene Thin-film Transistors”, Applied Physics Letters 82, 39073909 (2003).Google Scholar