Abstract
DC sputtered bismuth thin film was fabricated for Surface Enhanced Raman Spectroscopy applications as an alternative to the existing platforms. The films kept under ambient atmospheric conditions, were analysed for the native oxidation behaviour over a long time period. Raman spectra portray the inertness of the films towards oxidation. Optical absorption spectra confirm the predicted multiple plasmon resonances and the periodic responses of Surface Plasmon Resonance. The surface morphology was studied using AFM. SERS studies using Rhodamine 6G (RH6G) drop casted shows an enhancement, which confirms the SERS applications of the films fabricated using DC sputtering for the first time.
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