Directed Energy Transfer through DNA-Templated J‑Aggregates

  • Sarthak Mandal (1284054)
  • Xu Zhou (36698)
  • Su Lin (477130)
  • Hao Yan (134033)
  • Neal Woodbury (2372659)
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Publication date
April 2019
Publisher
American Chemical Society (ACS)

Abstract

Strongly coupled molecular dye aggregates have unique optoelectronic properties that often resemble those of light harvesting complexes found in Nature. The exciton dynamics in coupled dye aggregates could enhance the long-range transfer of optical excitation energy with high efficiency. In principle, dye aggregates could serve as important components in molecular-scale photonic devices; however, rational design of these coupled dye aggregates with precise control over their organization, interactions, and dynamics remains a challenge. DNA nanotechnology has recently been used to build an excitonic circuit by organizing pseudoisocyanine (PIC) dyes forming J-aggregates on the templates of poly­(dA)-poly­(dT) DNA duplexes. Here, the excitonic...

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