Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 167, Issue -, Pages 97-102Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2015.10.015
Keywords
Nanostructures; Chemical synthesis; Electron microscopy; X-ray diffraction topography; Mechanical properties
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Silver nanohexagons have been prepared through the chemical reduction method using poly(vinyl pyrrolidone) (PVP) as a capping agent. High Resolution Transmission Electron Microscopic (HRTEM) study shows that average size of the prepared silver nanoparticles is 45 nm approximately with nearly hexagon shape. The peaks in the X-Ray Diffraction (XRD) pattern are in good agreement with that of face centered cubic structure. Williamson-Hall plots (W-H plot) have been analyzed to study the crystalline size and lattice strain considering the peak broadening of the AgNHs. The mechanical properties such as strain, stress and energy density of prepared nanohexagon have been calculated assuming uniform deformation model (UDM), uniform stress deformation model (USDM), and uniform deformation energy density model (UDEDM) and size strain plot method (SSP). From all these results, it is found that the size and strain estimated from W-H analysis and SSP method are in good agreement. (C) 2015 Elsevier B.V. All rights reserved.
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