Self-Assembled Resonance Energy Transfer Devices

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Date

2013

Authors

Thusu, Viresh

Advisors

Dwyer, Christopher L

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Abstract

This dissertation hypothesizes,

"It is possible to design a self-assembled, nanoscale, high-speed, resonance energy transfer device exhibiting non-linear gain with a few molecules."

The report recognizes DNA self-assembly, a relatively inexpensive and a massively parallel fabrication process, as a strong candidate for self-assembled RET systems. It successfully investigates into the design and simulations of a novel sequential self-assembly process employed to realize the goal of creating large, scalable, fully-addressable DNA nanostructure-substrate for future molecular circuitry.

As a pre-cursor to the final device modeling various RET wire designs for interconnecting nanocircuits are presented and their modeling and simulation results are discussed. A chromophore RET system using a biomolecular sensor as a proof-of-concept argument that shows it is possible to model and characterize chromophore systems as a first step towards device modeling is also discussed.

Finally, the thesis report describes in detail the design, modeling, characterization, and fabrication of the Closed-Diffusive Exciton Valve: a self-assembled, nanoscale (area of 17.34 nm2), high-speed (3.5 ps to 6 ps) resonance energy transfer device exhibiting non-linear gain using only 10 molecules, thus confirming the hypothesis. It also recognized improvements that can be made in the future to facilitate better device operation and suggested various applications.

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Citation

Thusu, Viresh (2013). Self-Assembled Resonance Energy Transfer Devices. Dissertation, Duke University. Retrieved from https://hdl.handle.net/10161/7251.

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