@article{article964c74e9,
title   = {Visible and near-infrared luminescent 'Eu POT.3+'or 'Er POT.3+' doped laponite-derived xerogels and thick films: structural and spectroscopic properties},
author = {Tronto, Jairo and Ribeiro, Sidney José Lima and Valim, João Barros and Gonçalves, Rogéria Rocha},
year = {2009},
journal   = {Materials Chemistry and Physics}
}