Deposition and Characterization of Pentacene Film.

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Many organic materials have been studied to be used as semiconductors, few of them being pentacene and polythiophene. Organic semiconductors have been investigated to make organic thin film transistors. Pentacene has been used in the active region of the transistors. Transistors fabricated with pentacene do not have very high mobility. But in some applications, high mobility is not needed. In such application other properties of organic transistors are used, such as, ease of production and flexibility. Organic thin film transistors (OTFT) can find use as low density storage devices, such as smart cards or I.D. tags, and displays. OTFT are ... continued below

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Singh, Nidhi December 2003.

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  • Singh, Nidhi

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Description

Many organic materials have been studied to be used as semiconductors, few of them being pentacene and polythiophene. Organic semiconductors have been investigated to make organic thin film transistors. Pentacene has been used in the active region of the transistors. Transistors fabricated with pentacene do not have very high mobility. But in some applications, high mobility is not needed. In such application other properties of organic transistors are used, such as, ease of production and flexibility. Organic thin film transistors (OTFT) can find use as low density storage devices, such as smart cards or I.D. tags, and displays. OTFT are compatible with polymeric substrates and hence can find use as flexible computer screens. This project aims at making 'smart clothes', the cheap way, with pentacene based OTFT. This problem in lieu of thesis describes a way to deposit pentacene films and characterize it. Pentacene films were deposited on substrates and characterized using x-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). The substrate used was ~1500Å platinum on silicon wafer or bare silicon wafer. was used. A deposition system for vacuum deposition of pentacene was assembled. The XRD data for deposited pentacene films shows the presence of two phases, single crystal phase (SCP) and thin film phase (TFP), and the increase in percentage of SCP with increase in substrate temperature during deposition or by annealing the deposited film, in vacuum, at 80°C.

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UNT Student Graduate Works

This collection houses graduate student works other than theses and dissertations. All materials have been previously accepted by a professional organization or approved by a faculty mentor. The collection includes, but is not limited to problems in lieu of thesis, supplemental files associated with theses and dissertations, posters, recitals, presentations, articles, reviews, book chapters, and artwork. Some items in this collection are restricted to use by the UNT community.

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  • December 2003

Added to The UNT Digital Library

  • Feb. 15, 2008, 3:02 p.m.

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  • March 21, 2016, 4:14 p.m.

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Singh, Nidhi. Deposition and Characterization of Pentacene Film., thesis, December 2003; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc4388/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .