Synthesis and characterization of Z-scheme heterostructure CoWO4/g-C3N4 as a visible-light photocatalyst for removal of organic pollutant. Vietnam j. catal. adsorp. [Internet]. 2021 Jul. 30 [cited 2026 Jul. 28];10(2):59-63. Available from: https://jca.edu.vn/index.php/jca/article/view/2021.029