@ARTICLE {29933,
author={M.  Cardoso and S. correia and R Frias and H.  Gonçalves and R.  Pereira and S.  Nunes and M.  ARMAND and P.S André and V. Bermudez and M.R. Ferreira},
doi={10.1016/j.jre.2020.01.007},
journal={Journal of Rare Earths},
title={Solar spectral conversion based on plastic films of lanthanide-doped ionosilicas for photovoltaics: Down-shifting layers and luminescent solar concentrators},
year={2020},
month={January},
volume={38},
number={5},
pages={451-459},
ISSN={1002-0721}
}