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Thin film transistors from II-IV semiconductors on polymer substratesMacNab, Finlay. January 2006 (has links)
No description available.
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Thin film transistors from II-IV semiconductors on polymer substratesMacNab, Finlay. January 2006 (has links)
A chemical bath deposition technique has been used in the fabrication of thin film transistors (TFT), which have been deposited on a 200mum polymer substrate. This thesis documents the chemistry and microfabrication techniques used to create the TFTs. Because TFTs have not been fabricated on plastics in this manner before, insights gained from understanding the mechanical properties of the polymer, and how these interact with those of the inorganic components of the TFTs, were used to guide development of processes specifically suited to adapt the polymer to TFT fabrication.
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Design, Synthesis and Study of the Bridged and Cofacially-Arrayed Poly-P-Phenylene Molecular WiresModjewski, Matthew J. January 2009 (has links)
Thesis (M.S.)--Marquette University, 2009. / Rajendra Rathore, Mark Steinmetz, James Gardinier, Advisors.
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Design and synthesis of and π-stacked conjugated oligomers and polymersJagtap, Subodh Prakash 16 March 2012 (has links)
Interchain interactions between π-systems have a strong effect on the properties of conjugated organic materials that find application in devices such as light emitting diodes (OLEDs), organic photovoltaics (OPVs), and field effect transistors (FETs). We have prepared covalently-stacked oligo(1,4-phenylene ethynylene)s and oligo(1,4-phenylene vinylene)s to study the influence of chain-chain interactions on the electronic structure of closely packed conjugated units. These serve as models for segments of conjugated materials in thin film devices. Extension of this concept has allowed us to prepare multi-tiered systems that display the influence of pi-stacking. The stacked architectures were prepared by multi-step synthesis of the scaffolds, followed by metal-catalyzed cross coupling reactions (Sonogashira, Heck, Suzuki couplings) to incorporate the conjugated oligomers. The optical and electrochemical properties of these stacked compounds and polymers were compared to their unstacked linear counterparts. These studies provide a platform for the exploration of the nature of charge carriers and excitons in a broad class of materials that have significant potential in addressing challenges in power generation, lighting and electronics.
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