Pham Hung, Vuong, Pham Van Huan, Phuong Dinh Tam, Nguyen Thi Ha Hanh, & Cao Xuan Thang. " The Role of Cu 2+ Concentration in Luminescence Quenching of Eu 3+ / Cu 2+ Co-doped ZrO2 Nanoparticles." VNU Journal of Science: Mathematics - Physics [Online], 35.1 (2019): n. pag. Web. 22 Nov. 2024