Wattana, J., Nimitnopphasit, P., Kansaard, T., Boonyarattanakalin, K., Mekprasart, W., Jayasankar, C. and Phoohinkong, W. 2025. Effect of Al dopant on Physical and Optical Properties of Er-doped CuS prepared by co-precipitation process. Thai Journal of Nanoscience and Nanotechnology. 10, 1 (Jun. 2025), 37–50.