Preparation and properties of Sm-TiO2 photocatalyst for degradation of methylene blue under visible light irradiation
PENG Fuchang, GAO Honglin, LIU Qingju
Journal of Functional Materials . 2017, (2): 2117 -2121 .  DOI: 10.3969/j.issn.1001-9731.2017.02.021