Spectral-kinetic properties of YF3-CeF3: Eu3+/Tb3+ nanoparticles as possible sensitizers of PDT dyes Eduard Madirov, Alexey Nizamutdinov, Elena Lukinova, Maxim Pudovkin, Daria Andreeva, Stella Korableva and Vadim Semashko EPJ Web Conf., 220 (2019) 03022 Published online: 25 October 2019 DOI: 10.1051/epjconf/201922003022