@article{articlea7011c52,
title   = {Green synthesis of upconverting NaYF4 and NaGdF4 materials and energy levels determination},
author = {Giordano, Luidgi and Nunes, Matheus F and Teixeira, Verônica Carvalho and Rodrigues, Lucas Carvalho Veloso},
year = {2021},
doi = {10.21577/0103-5053.20210052},
journal   = {Journal of the Brazilian Chemical Society}
}