Abstract

Significant advances have been made in the development of nanoscale devices capable of exciton transport via Förster resonance energy transfer. Several requirements must be met for effective operation, including a reliable energy-harvesting source along with highly organized, precisely placed energy relay elements. For the latter, biological scaffolds such as DNA provide a customizable, symmetric, and stable structure that can be site-specifically modified with organic fluorophores. Here, advancements in nanoscale energy transfer devices incorporating semiconductor nanocrystals and bioscaffolds are reviewed with discussion of biofunctionalization, linker chemistries, design considerations, and concluding with applications in light harvesting, multiplexed biosensing, and optical logic.

© 2015 Optical Society of America

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