Khairnar, Subhash Dharmraj, et al. “Hydrothermally Synthesized Nanocrystalline Nb2O5 and Its Visible-Light Photocatalytic Activity for the Degradation of Congo Red and Methylene Blue”. Iranian Journal of Catalysis, vol. 8, no. 2, Feb. 2024, https://oiccpress.com/ijc/article/view/4003.