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Keywords:

  • assembly;
  • hybrid materials;
  • nanorods;
  • optically active materials;
  • photochemistry;
  • surface plasmon
Thumbnail image of graphical abstract

The coupled plasmon absorption of Au nanorod dimers is investigated as a function of the orientation between the long-axes of the nanorod by linking them with rigid and flexible molecules. As the angle between the Au nanorods increases, the coupled plasmon band shifts to longer wavelength confirming the role of effective dipolar overlap.