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Research on transport properties of organic thin films transistors

Grant number: 07/07251-8
Support type:Scholarships in Brazil - Doctorate (Direct)
Effective date (Start): June 01, 2008
Effective date (End): February 29, 2012
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Roberto Mendonça Faria
Grantee:Alexandre de Castro Maciel
Home Institution: Instituto de Física de São Carlos (IFSC). Universidade de São Paulo (USP). São Carlos , SP, Brazil

Abstract

After the discovery of the electronic properties of the conjugated polymers, initiated by the study of polacethylene, a new area of technological development appeared that of the electronic and optoelectronic organic devices. Organic thin films have been applied in electroluminescent and photovoltaic diodes, as well as is progressing their application in transistors. One of its disadvantages of organic materials in comparison to the inorganic semiconductors is their low mobility. Despite the progress observed, the higher mobility of organics are still three orders of magnitude lower than that of crystalline materials. However, other applications for organic transistors are already possible. For example, as switch for active matrix displays, as component for radio-frequency identification tags, as component of smart cards, in different kind of sensors, etc. This project has as goal to build transistor structures in which the carrier mobility along the channel can be modulated by the electrical properties of the dielectric interface. (AU)

Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MACIEL, Alexandre de Castro. Fabricação e estudo das propriedades de transporte de transistores de filmes finos orgânicos. 2012. Doctoral Thesis - Universidade de São Paulo (USP). Instituto de Física de São Carlos São Carlos.

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