. 2021 Apr 10;2021:5533734. doi: 10.1155/2021/5533734
Copyright © 2021 Tuan Vu Anh et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 4.
FT-IR spectra of the as-prepared ZnO samples.