Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 11, Issue 28, Pages 5909-5914Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b905200n
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Funding
- The Spanish MiCInn [PCI2005-A7-0075, MAT2007-62696, AT2008-05755]
- ARC [FF0561486]
- DEST [CG110036]
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Nanoscale surface corrugation strongly determines the plasmonic response of gold nanoparticles with dimensions of several tens of nanometres. Scattering spectra of individual spheres with a rough surface were found to red-shift and broaden. The plasmon modes exhibited quadrupole damping, in contrast to particles with smooth surfaces. Additionally, rougher spheres display a higher SERS activity, which demonstrates the crucial role of nanoscale surface texturing on the plasmonic response of gold particles.
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