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Measurement of SnO2 Nanoparticles Coating on Titanium Dioxide Nanotube Arrays Using Grazing-Incidence X-Ray Diffraction

  • Yunhui TangEmail author
  • Bo Wang
  • Hongyi Li
  • Mingsheng He
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

Grazing-incidence X-ray diffraction measurements (GIXRD) were performed on thin films of SnO2 nanoparticles coating on the TiO2-nanotube arrays using a common X-ray diffractometer with focusing light, Shimadzu XRD-7000. By GIXRD analysis, the phase components of the coating on titanium oxide nanotube arrays were disclosed, and a multi-layer structure is established: SnO2 crystal phase, TiO crystal phase and amorphous phase with SnO2 composition, from the top down, respectively. It is shown from the GIXRD results that, there is obvious diffraction peak broadening phenomenon corresponding to the decreasing X-ray incident angles (ω ≥ 2°) due to the crystals on the surface, which is caused by the nonparallel X-rays scattering on the sample’s surface, while for the crystal under the surface, there is no this phenomenon observed, even for crystals much closer to the surface. This provides a method for distinguishing the crystals on the surface or under the surface.

Keywords

Grazing-incidence X-ray diffraction SnO2 nanoparticles coating Titanium oxide nanotube arrays 

Notes

Acknowledgements

This work is supported by the National Science Foundation under 51571003. The authors wish to thank Prof. Liu Danming and Prof. Shu Qun for their kindness and help in application of X-ray diffraction and scanning electron microscope.

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  1. 1.Beijing University of TechnologyBeijingChina
  2. 2.Wuhan Iron & Steel Co., Ltd.WuhanChina

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