1. S. Singh, P. Tiwari, S. Tiwari, Introduction to solar energy, in: Fundamentals and Innovations in Solar Energy, Springer, 2021, pp. 1–9.
2. K. Mondal, A. Sharma, Photocatalytic oxidation of pollutant dyes in wastewater by TiO2 and ZnO nano-materials–a mini-review. Nanosci Technol Mank 24, 36–72 (2014)
3. K. Omri, A. Alyamani, L. El Mir, Surface morphology, microstructure and electrical properties of Ca-doped ZnO thin films. J. Mater. Sci. 30, 16606–16612 (2019)
4. R. Goei, Hybrid TiO2 photocatalytic ceramic membranes: fabrication, characterization and performance evaluation.
5. D. Bahnemann, J. Cunningham, M. Fox, E. Pelizzetti, P. Pichat, N. Serpone, Photocatalytic treatment of waters, in: Aquatic and Surface Photochemistry, CRC Press, 2018, pp. 261–316.