Preparation and Characterization of Cubic and Hexagonal Polytypes of ZnSe:Cu2+ One-Dimensional Nanostructures

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• 作者：Baojuan Xi ; Dechen Xu ; Shenglin Xiong ; Chengming Wang ; Xiaoming Feng ; Hongyang Zhou ; Yitai Qian
• 刊名：Journal of Physical Chemistry C
• 出版年：2008
• 出版时间：April 10, 2008
• 年：2008
• 卷：112
• 期：14
• 页码：5333 - 5338
• 全文大小：527K
• 年卷期：v.112,no.14(April 10, 2008)
• ISSN：1932-7455

文摘

Cu-doped ZnSe single-crystal one-dimensional (1-D) nanostructures were fabricated via thermal treatment ofthe as-synthesized corresponding precursor, which was prepared through a ternary solution-based method.The evident phase transformation suggests that doping with Cu²⁺ favors the formation of the cubic phaseZnSe. The as-prepared products were characterized using diverse techniques (X-ray powder diffraction, high-resolution transmission electron microscopy, and selected area electron diffraction), which demonstrate thatboth the sphalerite cubic phase and the wurtzite hexagonal phase coexist in nanowires obtained from ZnSedoped with different amounts of Cu²⁺.