Abstract
Silver nanowires (Ag NWs) are synthesized using hydrothermal method by maintaining a constant polyvinyl pyrrolidone (PVP): silver nitrate (AgNO 3 ) molar ratio. The effect of concentration of AgNO 3 under constant PVP: AgNO 3 ratio on the formation of Ag NWs is examined. The morphological, structural, and optical properties of the obtained Ag NWs are studied using field emission scanning electron microscope , transmission electron microscope, and ultraviolet–visible spectroscopy, respectively. The elemental analysis of the synthesized samples is carried out using energy dispersive X-ray (EDX) spectroscopy. Ag NWs with an average length of 5 μm are obtained at a higher concentration of AgNO 3 . The potential of the grown Ag NWs as SERS substrates is explored and a significantly high enhancement factor is acheived.
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