Hu S, Li F, Fan Z. Preparation and Characterization of N, S Co-doped TiO2 Nanopowder and its Photocatalytic Activity under Visible Light. ajc [Internet]. 2012 May 14 [cited 2024 Nov. 25];24(10):4709-12. Available from: https://asianpubs.org/index.php/ajchem/article/view/9622