Abstract:Transparent Gd 2 O 3 :Eu Phosphor Layer Derived from Exfoliated Layered Gadolinium Hydroxide Nanosheets. -Gd2(OH)5NO3·nH2O and Gd1.90Eu0.10(OH)5NO3·nH2O are synthesized from stoichiometric amounts of Gd2O3 and Eu2O3 dissolved in a small amount of 10% aq. HNO3 solution (autoclave, 150-170°C, 12 h). Transparent Gd2O3:Eu phosphor layers on quartz glass are obtained by exfoliation of the Eu-doped precursor in formamide at room temperature followed by annealing at 600°C for 5 h in air. Under irradiation with 254 nm… Show more
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