Size-dependent surface-plasmon resonances of bare silver particles
- 15 November 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 40 (14), 9982-9985
- https://doi.org/10.1103/physrevb.40.9982
Abstract
Surface-plasmon resonances of silver microparticle aerosols have been measured as a function of average particle size. Resonance line shapes are modeled as a function of particle size and complex refractive index. The surface-plasmon frequency is found to exhibit a red shift from 3.8 to 3.4 eV as the average particle diameter is decreased by approximately a factor of 3 in contrast to the blue shift observed for matrix-isolated silver particles.Keywords
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