Regioregular polythiophene nanowires and sensors

Richard D. McCullough; Genevieve Sauve; Bo Li; Malika Jeffries-El; Suresh Santhanam; Lawrence Schultz; Rui Zhang; Mihaela C. Iovu; Jessica Cooper; Prathapan Sreedharan; Joseph C. Revelli; Aaron G. Kusner; Tomasz Kowalewski; Jay L. Snyder; Lee E. Weiss; David N. Lambeth; Gary K. Fedder

doi:10.1117/12.619609

30 August 2005 Regioregular polythiophene nanowires and sensors

Richard D. McCullough, Genevieve Sauve, Bo Li, Malika Jeffries-El, Suresh Santhanam, Lawrence Schultz, Rui Zhang, Mihaela C. Iovu, Jessica Cooper, Prathapan Sreedharan, Joseph C. Revelli, Aaron G. Kusner, Tomasz Kowalewski, Jay L. Snyder, Lee E. Weiss, David N. Lambeth, Gary K. Fedder

Author Affiliations +

Proceedings Volume 5940, Organic Field-Effect Transistors IV; 594005 (2005) https://doi.org/10.1117/12.619609
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

We have developed and synthesized highly conductive regioregular poly(3-alkylthiophene) (rr-PAT) derivatives for use in sensor arrays on a chip. Poly(3-alkylthiophene)s are ideally suited for this application because of their excellent electrical properties, solution processability and our ability to modify their chemical structure. Here, we synthesized rr-PATs that have different side chains and different end groups. The polymers were ink-jetted onto ChemFET devices on a chip and their chemical sensing properties were tested to a variety of volatile organic compounds (VOCs). The sensors demonstrated ppm level sensitivity and selectivity to all VOCs tested, including both polar and non-polar compounds.

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Richard D. McCullough, Genevieve Sauve, Bo Li, Malika Jeffries-El, Suresh Santhanam, Lawrence Schultz, Rui Zhang, Mihaela C. Iovu, Jessica Cooper, Prathapan Sreedharan, Joseph C. Revelli, Aaron G. Kusner, Tomasz Kowalewski, Jay L. Snyder, Lee E. Weiss, David N. Lambeth, and Gary K. Fedder "Regioregular polythiophene nanowires and sensors", Proc. SPIE 5940, Organic Field-Effect Transistors IV, 594005 (30 August 2005); https://doi.org/10.1117/12.619609

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