Sardar, Samim, Prasenjit Kar, and Samir Kumar Pal. “The Impact of Central Metal Ions in Porphyrin Functionalized ZnO TiO2 for Enhanced Solar Energy Conversion”. Materials NanoScience 1, no. 1 (July 16, 2014): 12–30. Accessed June 26, 2025. https://pubs.thesciencein.org/journal/index.php/jmns/article/view/216.