Nanostructured AgPb18SbS20 compound synthesized by hydrothermal method

Nanostructured AgPb18SbS20 compound synthesized by hydrothermal method
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水热法合成纳米结构AgPb18SbS20化合物

DOI:
10.1016/j.matlet.2012.11.028
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发表时间:
2013-02
期刊:
影响因子:
3
通讯作者:
Jia, Xiaopeng
Jia, Xiaopeng
中科院分区:
材料科学3区
文献类型:
--
作者:
Hu, Meihua;Wang, Xiaodong;Ma, Hongan;Jia, Xiaopeng

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采用水热法制备了纳米AgPb18SbS20热电粉末。用X射线衍射仪(X射线衍射仪)和透射电子显微镜(TEM)对粉末进行了表征。在180℃下反应48h,得到的粉末平均尺寸约为300 nm。通过对AgPb18SbS20的透射电子显微镜观察,观察到共掺杂的Ag+和Sb3+离子在PbS基质中产生了纳米尺度的区域。讨论了AgPb18SbS20可能的形成机制。
Nanostructured AgPb18SbS20thermoelectric powders have been successfully synthesized by hydrothermal method. X-ray diffraction (XRD) and transmission electron microscopy (TEM) were respectively used for characterization of the powders. The mean size of the powders synthesized at 180°C for 48h is about 300nm. Based on the TEM observations of AgPb18SbS20, nano-sized regions generated by the co-doped Ag+and Sb3+ions were observed in the PbS matrix. Possible formation mechanisms of AgPb18SbS20were also discussed.
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