The ability of 2,5-disubstituted oxazole dyes derivatives to generate two-photon upconversion photoluminescence and its brightness evaluation 1 avr, 2021 Nom de la revue Journal of Photochemistry and Photobiology A: Chemistry Luis M.G. Abegão, Francisco A. Santos, Sandrine Piguel, José J. Rodrigues, Cleber R. Mendonça, Leonardo De Boni DOI 10.1016/j.jphotochem.2021.113214