Meng1, Ze-Da, Ming-Liang Chen1, Feng-Jun Zhang1, Lei Zhu1, Jong-Geun Choi1, and Won-Chun Oh1. 2011. “Rare Earth Oxide-Doped Fullerene and Titania Composites and Photocatalytic Properties of Methylene Blue Under Visible Light”. Asian Journal of Chemistry 23 (5):2327-31. https://asianpubs.org/index.php/ajchem/article/view/10363.