Upconverted persistent luminescence in β-NaGd0.8Yb0.17Er0.03F4 and Zn1.33Ga1.335Sn0.33Cr0.005O4 associated nanoparticles - Giordano, Luidgi; Cai, Guanyu; Seguin, Johanne; Liu, Jianhua; Richard, Cyrille; Rodrigues, Lucas Carvalho Veloso; Viana, Bruno (Proceeding of SPIE, 2023)