Liu, Xinlin, Peng Lv, Guanxin Yao, Yan Yan, Pengwei Huo, and Yongsheng Yan. 2013. “Effection of Chlorine-Doped TiO2 Photocatalysts for Photocatalytic Activity”. Asian Journal of Chemistry 25 (6):3275-78. https://doi.org/10.14233/ajchem.2013.13629.