Correction to: J Mater Sci: Mater Electron (2021) 32:24095–24106. https://doi.org/10.1007/s10854-021-06872-9

The authors regret that the published version of the article contained errors in Fig. 5 [1]. The correct and final version is given below as Fig. 1.

Fig. 1
figure 1

a UV–Vis reflectance spectrum and b Tauc plot of prepared pristine ZnO and g-C3N4@ZnO photocatalyst