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The Fabrication of the Pentacene Thin Film Transistor - Research Proposal Example

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The paper “The Fabrication of the Pentacene Thin Film Transistor” looks at a fused-ring polycyclic aromatic hydrocarbon, presents relatively high carrier mobility when used for fabricating the organic thin-film transistors and this means that pentacene is widely used as the active material…
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Download file to see previous pages Thin-film transistors, or TFTs, are widely used in the electronic flat panel industry and every flat panel display contains millions of such transistors (Kagan, 2003, Chapter 1). The world is now using more flat panel displays than ever before and less of the conventional cathode ray display technologies, with many giant factories around the world churning out millions of TFT displays annually. In addition to flat panel displays, TFTs find application in active matrix liquid crystal flat panel displays, active matrix all organic flat panel displays, active matrix images, large sensor arrays and smart tags for price and inventory applications (Klauk, 2000, Pp. 63 – 64). It has been more than six decades since the conceptualization of the TFT and over time new materials, structures, and fabrication techniques have emerged for these transistors. However, the monocrystalline materials, such as gallium arsenide (GaAs), that showed the greatest promise for fabrication of high-speed TFTs are expensive to source in the required purity and costly to process, rendering manufacturing of large-area devices manufactured using such materials prohibitively expensive (Kagan, 2003, Chapter 6). Thus, efforts persisted to try to use organic materials, such as polythiophene, oligothiophenes, pentacene and other small molecule organic materials, which were low cost, cheaper to process at room temperature and lightweight despite the fact that such materials could not offer fast switching and presented a large number of defects for a large area. Fortunately, the response time requirements for the human eye did not require the fastest switching times for TFTs for flat panel display applications. ...Download file to see next pagesRead More
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