Fabrication and Characterization of Single-Crystalline AgSbTe Nanowire Arrays
YANG You-Wen1** , LI Tian-Ying1 , ZHU Wen-Bin1 , MA Dong-Ming1 , CHEN Dong2
1 School of Chemical Engineering, Hefei University of Technology, Hefei 2300092 School of Instrument Science and Opto-electronics Engineering, Hefei University of Technology, Hefei 230009
Abstract :Ternary semiconducting AgSbTe2 nanowire arrays were synthesized for the first time by using the direct-current electrodeposition technique. X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry, and transmission electron microscopy analyses indicate that the nanowire arrays are high filling, ordered, single crystalline and the nanowires have a highly preferential orientation grown along the [100] direction. Annealing studies show that compared with other temperatures, annealing at 100°C can significantly increase the crystallinity of AgSbTe2 nanowires. The optical absorbance spectra of the AgSbTe2 nanowire arrays show that the optical band gap has a strong blue shift with decreasing the diameter of the nanowire.
收稿日期: 2013-05-08
出版日期: 2013-11-21
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