✦ LIBER ✦
Shape Change and Color Gamut in Gold Nanorods, Dumbbells, and Dog Bones
✍ Scribed by X. Xu; M. B. Cortie
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 596 KB
- Volume
- 16
- Category
- Article
- ISSN
- 1616-301X
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✦ Synopsis
Abstract
It 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.