A DNA-directed light-harvesting/reaction center system

Palash K. Dutta, Symon Levenberg, Andrey Loskutov, Daniel Jun, Rafael Saer, J. Thomas Beatty, Su Lin, Yan Liu, Neal W. Woodbury, Hao Yan

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

A structurally and compositionally well-defined and spectrally tunable artificial light-harvesting system has been constructed in which multiple organic dyes attached to a three-arm-DNA nanostructure serve as an antenna conjugated to a photosynthetic reaction center isolated from Rhodobacter sphaeroides 2.4.1. The light energy absorbed by the dye molecules is transferred to the reaction center, where charge separation takes place. The average number of DNA three-arm junctions per reaction center was tuned from 0.75 to 2.35. This DNA-templated multichromophore system serves as a modular light-harvesting antenna that is capable of being optimized for its spectral properties, energy transfer efficiency, and photostability, allowing one to adjust both the size and spectrum of the resulting structures. This may serve as a useful test bed for developing nanostructured photonic systems.

Original languageEnglish
Pages (from-to)16618-16625
Number of pages8
JournalJournal of the American Chemical Society
Volume136
Issue number47
DOIs
Publication statusPublished - Nov 26 2014

Fingerprint

DNA
Light
Coloring Agents
Dyes
Optics and Photonics
Photosynthetic Reaction Center Complex Proteins
Antennas
Rhodobacter sphaeroides
Nanostructures
Energy Transfer
Energy transfer
Photonics
Molecules

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis
  • Biochemistry
  • Colloid and Surface Chemistry
  • Medicine(all)

Cite this

Dutta, P. K., Levenberg, S., Loskutov, A., Jun, D., Saer, R., Beatty, J. T., ... Yan, H. (2014). A DNA-directed light-harvesting/reaction center system. Journal of the American Chemical Society, 136(47), 16618-16625. https://doi.org/10.1021/ja509018g

A DNA-directed light-harvesting/reaction center system. / Dutta, Palash K.; Levenberg, Symon; Loskutov, Andrey; Jun, Daniel; Saer, Rafael; Beatty, J. Thomas; Lin, Su; Liu, Yan; Woodbury, Neal W.; Yan, Hao.

In: Journal of the American Chemical Society, Vol. 136, No. 47, 26.11.2014, p. 16618-16625.

Research output: Contribution to journalArticle

Dutta, PK, Levenberg, S, Loskutov, A, Jun, D, Saer, R, Beatty, JT, Lin, S, Liu, Y, Woodbury, NW & Yan, H 2014, 'A DNA-directed light-harvesting/reaction center system', Journal of the American Chemical Society, vol. 136, no. 47, pp. 16618-16625. https://doi.org/10.1021/ja509018g
Dutta PK, Levenberg S, Loskutov A, Jun D, Saer R, Beatty JT et al. A DNA-directed light-harvesting/reaction center system. Journal of the American Chemical Society. 2014 Nov 26;136(47):16618-16625. https://doi.org/10.1021/ja509018g
Dutta, Palash K. ; Levenberg, Symon ; Loskutov, Andrey ; Jun, Daniel ; Saer, Rafael ; Beatty, J. Thomas ; Lin, Su ; Liu, Yan ; Woodbury, Neal W. ; Yan, Hao. / A DNA-directed light-harvesting/reaction center system. In: Journal of the American Chemical Society. 2014 ; Vol. 136, No. 47. pp. 16618-16625.
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