Abstract
Ag nanostructures with surface-enhanced Raman scattering (SERS) activities have been fabricated by applying laser-direct writing (LDW) technique on silver oxide (AgOx) thin films. By controlling the laser powers, multi-level Raman imaging of organic molecules adsorbed on the nanostructures has been observed. This phenomenon is further investigated by atomic-force microscopy and electromagnetic calculation. The SERSactive nanostructure is also fabricated on transparent and flexible substrate to demonstrate our promising strategy for the development of novel and low-cost sensing chip.
Original language | English |
---|---|
Pages (from-to) | 24460-24467 |
Number of pages | 8 |
Journal | Optics Express |
Volume | 21 |
Issue number | 21 |
DOIs | |
State | Published - 21 Oct 2013 |