Fig. 1From: (La0.97RE0.01Yb0.02)2O2S Nanophosphors Converted from Layered Hydroxyl Sulfate and Investigation of Upconversion Photoluminescence (RE=Ho, Er)XRD patterns of the (La0.97RE0.01Yb0.02)2(OH)4SO4·2H2O layered compounds obtained via hydrothermal reaction at 100 °C and pH = 9 for 24 hBack to article page