TY  - JOUR 
T1  - Green Synthesis of Upconverting NaYF<sup>4</sup> and NaGdF<sup>4</sup> Materials and Energy Levels Determination
JO  - Journal of the Brazilian Chemical Society
A1  - Giordano, Luidgi
A1  - Nunes, Matheus F.
A1  - Teixeira, Verônica C.
A1  - Rodrigues, Lucas C. V.
SN  - 0103-5053
UL  - 10.21577/0103-5053.20210052
VL  - 32 
Y1  - 2021
PB  - Brasil 
ER  -