Abstract
The thin film of silver salt of alginic acid is available for synthesis of small silver particles and aggregates embedded in the polymer matrix. Variations in the Raman spectrum of the silver alginate film with UV irradiation have been examined. A Raman signal at 1398–1405 cm−1 corresponding to symmetric COO− stretching vibration of silver alginate has been increased, manifesting the contribution of surface-enhanced Raman scattering (SERS).
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