Large-area Sb2Te3 nanowire arrays |
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| Authors: | Jin Chuangui Zhang Genqiang Qian Tian Li Xiaoguang Yao Zhen |
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| Institution: | Hefei National Laboratory for Physical Science at Microscale, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China. |
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| Abstract: | High-density large-area nanowire arrays of thermoelectric material Sb(2)Te(3) have been successfully prepared using electrochemical deposition into the channels of the porous anodic alumina membrane. The morphologies, structure, and composition of the as-prepared Sb(2)Te(3) nanowires have been characterized using field-emission scanning electron microscopy, transmission electron microscopy, high-resolution transmission electron microscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. Individual Sb(2)Te(3) nanowires are single crystalline and continuous with uniform diameters ( approximately 50 nm) throughout the entire length. The atomic ratio of Sb to Te is very close to the 2:3 stoichiometry. |
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