The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy (FESEM), energy-dispersive spectroscopy (EDS) and X-ray diffraction (XRD) in and after the plating.

• 用光学显微镜、场发射扫描电子显微镜、能谱仪和X射线衍射仪对其进行了分析表征。