Luminescent non-doped laponites: anionic layered nanosilicates - Santos, Hellen S; Lastusaari, Mika; Laihinen, Tero; Viinikanoja, Antti; Brito, Hermi Felinto de; Rodrigues, Lucas Carvalho Veloso; Hölsa, Jorma (International Conference on Advanced Nanomaterials, 2015)