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Characterization of PbS with different morphologies produced using a cyclic microwave radiation

机译:利用循环微波辐射表征具有不同形态的PbS

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摘要

PbS was produced from different lead (Pb(CH_3COO)_2·H_2O, PbCl_2·2.5H_2O, Pb(NO_3)_2) and sulfur (CH_3CSNH_2, CH_5N_3S, NH_2CSNH_2) sources in propylene glycol using a cyclic microwave radiation at different powers and prolonged times. PbS (cubic) was detected using X-ray diffraction (XRD) and selected area electron diffraction (SAED) techniques. The interpreted and simulated patterns are in good accord. Raman spectrometer revealed the presence of vibrations at 138, 273 and 439 cm~(-1). Different morphologies (nano-sized particles, hexapods, cubes, ferns and magic squares) were characterized using a scanning electron microscope (SEM) and a transmission electron microscope (TEM). The product morphologies were influenced by the starting agents, microwave powers and prolonged times.
机译:PbS是由丙二醇中的不同铅(Pb(CH_3COO)_2·H_2O,PbCl_2·2.5H_2O,Pb(NO_3)_2)和硫(CH_3CSNH_2,CH_5N_3S,NH_2CSNH_2)源使用不同功率和时间的循环微波辐射制得的。使用X射线衍射(XRD)和选择区域电子衍射(SAED)技术检测PbS(立方)。解释和模拟的模式非常吻合。拉曼光谱仪显示在138、273和439 cm〜(-1)处存在振动。使用扫描电子显微镜(SEM)和透射电子显微镜(TEM)表征不同的形态(纳米尺寸的颗粒,六足动物,立方体,蕨类植物和魔方)。产物形态受到起始剂,微波功率和时间的延长的影响。

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