Copper oxide (CuO) microparticles were synthesized using the precipitation method as described in literature (Luna et al. 2015; Sagadevan, Pal, and Chowdhury 2017). Briefly, copper...

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一个简单的单晶体电子衍射花样是一个通过倒易点阵原点的二维倒易平面在观察屏上的投影放大图。 图中的中心斑000即是直射束的位置，在衍射花样上衍射斑hkl相当于中心斑000的矢量用Rhkl 表示。 倒易矢量ghkl对应于衍射花样上的矢量Rhkl，因而，矢量Rhkl平行于晶体反射平面（hkl）的法线，它的大小与衍射平面（hkl）的晶面间距dhkl成反比。 为什么要选择一个特定区域来形成衍射花样（即 选区电子衍射）呢？ 选区电子衍射：观察衍射花样时（即物镜后焦面），要把选区光 …

Inset in (b) is the corresponding SEAD pattern from publication: Thermally oxidation synthesis of CuO nanoneedles on Cu foam and its enhanced lithium storage performance | In this work, CuO...

In this work, an environmental benign, sugarcane juice (SCJ) was applied as an eco-friendly stabilizing agent to synthesize copper oxide nanoparticles (CuO NPs). To produce CuO NPs, 2, 5 and 10...

The growth and nucleation of CuO nanopetals along with their lattice spacing, plane, and direction are confirmed by HR-TEM (JEOL JEM-ARM 200F) operating at 200 kV. TEM is also used for the selected area electron diffraction (SEAD) and advanced STEM analysis.

Scanning electron microscope (SEM) and EDS spectroscopy was utilized to study the surface morphology and elementary compostion. The particle size of the CuO nanoparticles was estimated using transmission electron microscopy. The SAED pattern of CuO nanaopar-ticles confirmed it’s polycrytalline nature.

2012年1月15日 · The synthesis of ordered copper oxide (CuO) nanorod arrays has been obtained using a seed-mediated hydrothermal method. Aligned CuO nanorods were obtained on fluorine doped tin oxide glass substrates over a large scale at low temperature ranging from 75 to 85 °C. It is found the CuO nanoseeds play an important role to facilitate the growth of ...

2022年4月1日 · Herein, we describe the synthesis of a CuO–Cu 2 O@rGO nanocomposite (CuO–Cu 2 O@rGO NCP) by a seed-mediated growth method involving the addition of 10 mmol copper(II) nitrate to rGO nanosheets. The structure and morphology of the CuO–Cu 2 O@rGO nanocomposite have been studied by various microscopy techniques.

2023年11月10日 · The SAED patterns in Figs. 4f and 5f for S-1 and S-2, respectively, clearly show the ring pattern (circles marked in a yellow color) mainly arising from the (110), (020), and (022) crystal indexes of CuO structure for S-1 and (002), (020), and (− 131) for S-2, which implies the crystalline nature of CuO NRs that is well matched with the XRD ...