Chiral electronic transitions in fluorescent silver clusters stabilized by DNA.

@article{Swasey2014ChiralET,
  title={Chiral electronic transitions in fluorescent silver clusters stabilized by DNA.},
  author={Steven M. Swasey and Natalia V Karimova and Christine M Aikens and Danielle E Schultz and Anna J Simon and Elisabeth G. Gwinn},
  journal={ACS nano},
  year={2014},
  volume={8 7},
  pages={6883-92}
}
Fluorescent, DNA-stabilized silver clusters are receiving much attention for sequence-selected colors and high quantum yields. However, limited knowledge of cluster structure is constraining further development of these "AgN-DNA" nanomaterials. We report the structurally sensitive, chiroptical activity of four pure AgN-DNA with wide ranging colors. Ubiquitous features in circular dichroism (CD) spectra include a positive dichroic peak overlying the lowest energy absorbance peak and highly… CONTINUE READING