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(a) X-ray diffraction pattern of the as-prepared products composed of randomly oriented nanowires. (b) Field emission SEM images of the nanowires.
(a) TEM image of the nanowires. (b) High-resolution TEM image of the nanowires after dispersed completely. Inset: SAED pattern of individual nanowire.
Photoluminescence (PL) spectrum of the nanowires was measured at room temperature at an excitation wavelength of . The solid line is the original experimental data and the dashed lines are the Lorentz fitted data.
Raman scattering spectrum of the nanowires with a incident wavelength recorded at room temperature. The inset shows two peaks prominently at 216 and , respectively, the dashed line is Lorentz fitted data.
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