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Silicon Substrate Microelectrode Array for Surface-Enhanced Raman Spectroscopy

Volume 49, Number 12 (Dec. 1995) Page 1793-1795

Zhelyaskov, Valentin R.; Milne, Elizabeth T.; Hetke, Jamille F.; Morris, Michael D.

Electrode sites of a photolithographically fabricated microelectrode array have been demonstrated to function as surface-enhanced Raman Spectroscopy (SERS) microelectrodes. The 5 × 15 μm iridium electrodes on the substrate are electroplated with silver and activated by standard procedures. Working and counter-electrode functions are integrated onto the same assembly. The electrode is shown to yield adenosine and pyridine spectra at low concentrations and submilliwatt laser power.