Abstract
Silver nanorods were prepared by a seed-mediated growth approach, and self-assembled into two-dimensional ordered arrays on glass substrates. The polarization-dependent optical responses of the rods were measured, which indicated ordered alignment. These arrays were evaluated as potential surface-enhanced Raman spectroscopy (SERS) substrates using trans-bis(4-pyridyl) ethylene molecules. The SERS signals were observed to be enhanced with the increase of the aspect ratio of the Ag nanorod, and this was mainly attributed to the local field enhancement. The lateral arrangement of the Ag nanorod arrays was also partially responsible for the SERS enhancement.
| Original language | English |
|---|---|
| Pages (from-to) | 2670-2674 |
| Number of pages | 5 |
| Journal | Nanotechnology |
| Volume | 17 |
| Issue number | 10 |
| DOIs | |
| State | Published - 28 May 2006 |
| Externally published | Yes |
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