Abstract

AbstractIt is shown here that deviations from a prolate ellipsoidal shape have a significant effect on the optical properties of gold nanorods. Transitions from rods to ‘dumbbell'‐ or ‘phi'‐shaped particles lead to a shift in the longitudinal plasmon peak in the blue and red directions, respectively. Development of ‘dog‐bone' shapes leads to a red‐shift and to the development of a third peak. A broad and flexible color gamut can be obtained.

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