Wang, Dongzhi, et al. “Magnetic and Fluorescent Properties of Fe3O4 SiO2 ZnSe Nanocomposites Based on Stabilized Non-Toxic ZnSe Quantum Dots”. Asian Journal of Chemistry, vol. 24, no. 7, Mar. 2012, pp. 3091-3, https://asianpubs.org/index.php/ajchem/article/view/9288.