IMG not available  Flexible and Large Area Nanoelectronics

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Flexible electronics is an exciting technology which requires expertise in several areas such as physics, chemistry and engineering. Therefore, the students in our group will not only gain experience with state-of-the-art instrumentation and techniques but also gain an understanding of the inter-disciplinary nature of this area. Students also interact with our collaborators at several US universities and laboratories, as well as with collaborators abroad. Flexible electronics has many new applications ranging from large area sensors to flexible displays to roll-up photovoltaics. However, to make flexible electronics a viable technology a number of key components still need to be developed including memory, logic, analog devices and amplifiers. The Flexible Electronics group in the Materials Science Department at UTD, is focused in the development and integration of these different components. Some of the current projects include:

Sensors for Detecting Radiation. We work in new technologies for nuclear threat detection, including the fundamental interactions of neutrons and charged particles with matter. We design and fabricate complex circuits and test devices for sensitivity and radiation hardness. We work in collaboration with the Gen-II fabrication facility at the Flexible Display Center at Arizona State University.

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Nano-Engineered Materials for Flexible Electronics (Metals, Dielectrics, Semiconductors). The students work on the development of nano-structured materials for contacts, dielectrics and semiconductors for flexible electronics. They learn about fundamental materials synthesis and characterization as well as device fabrication to correlate materials properties with device performance.

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Process Integration (nMOS, pMOS, CMOS, etc). In this area the group explores the issues associated with the effect of materials properties and chemistry and structure of the electrode/organic interface with the electrical performance of organic thin film transistor (OTFT) devices. This work will be performed in collaboration with Centro de Investigacin en Materials Avanzados (CIMAV), which is one of Mexico leading research laboratories in nanoscale science.

Transparent Devices:

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Memory Integration:

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Device modeling and Simulation. We work in electrostatic simulations to model electronic transport in molecular systems, which in conjunction with device fabrication and testing, aid in improving the understanding of organic semiconductor materials and devices. We fabricate representative organic semiconductor devices with different molecules, grain sizes, grain orientations, and other parameters; measure their electrical characteristics, and develop, validate, and refine original mathematical and computer models to describe the electrical characteristics of the devices.

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Prototypes Demonstration: Our group works not only in the fundamental science if materials and devices, but also applies it into real applications. See below some of our prototypes.

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