Quantum Plasmonics: Optical Monitoring of DNA‐Mediated Charge Transfer in Plasmon Rulers | Zendy

Lerch Sarah | Zendy; Reinhard Björn M. | Zendy

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Quantum Plasmonics: Optical Monitoring of DNA‐Mediated Charge Transfer in Plasmon Rulers

Author(s) -

Lerch Sarah,

Reinhard Björn M.

Publication year - 2016

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.201503885

Subject(s) - plasmon , photonics , charge (physics) , nanotechnology , physics , library science , chemistry , computer science , materials science , optoelectronics , quantum mechanics

Plasmon coupling between DNA‐tethered gold nanoparticles is investigated by correlated single‐particle spectroscopy and transmission electron microscopy for interparticle separations between 0.5 and 41 nm. Spectral characterization reveals a weakening of the plasmon coupling due to DNA‐mediated charge transfer for separations up to 2.8 nm. Electromagnetic simulations indicate a coherent charge transfer across the DNA.

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