Local structural characterization of gold nanowires using extended X-ray absorption fine structure spectroscopy
Resource
Chemical Physics Letters 428,93-97
Journal
Chemical Physics Letters 428
Pages
93-97
Date Issued
2006
Date
2006
Author(s)
Chen, H.M.
Lai, H.C.
Liu, R.S.
Jang, L.Y.
DOI
246246/2006111501233060
Abstract
Gold nanowires were prepared via seed-mediated growth process. Standard X-ray powder diffraction pattern of nanowires & foil are nearly identical. The intensities of the (220) & (111) diffraction peaks was higher than the conventional value, which implied that the nanowires were abundant in {110} facets. This is in accordance with electron diffraction analysis of mature nanowires, the wires grow along the [110] directions. X-ray absorption spectroscopy indicates that coordination number of gold nanowires was slightly smaller than that gold foil. Moreover, the Debye–Waller factor of the refinement result of gold nanowires implies that there were some structural defects.
Type
journal article
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