Abstract
Silver nanoring, a new nanomaterial with special morphology, exhibits attractive potential in optoelectronics applications. In this work, a glycerol-base modified polyol method is investigated. Using this method, silver nanorings with perfect geometry and ring diameter range from 6.54 to 30.67ss μm, wire diameter of 66.7-115.5 nm were synthesized by replacing EG with glycerol and adjusting the molecular weight and concentration of polyvinylpyrrolidone (PVP). The growth mechanism and factors that affect the morphology were studied in detail. The formation of silver nanorings showed high dependence on the viscosity of solution, wire diameter of AgNWs and the molecular weight of PVP.
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