Thuy, L.T.T. and Lan, N.T. 2021. Synthesis, structural characterization, and application of N-doped TiO2 photocatalyst under visible-light irradiation. Hue University Journal of Science: Natural Science. 130, 1B (Oct. 2021), 69-74. DOI:https://doi.org/10.26459/hueunijns.v130i1B.6333.