Journal ArticleUp- and Down-Convertible LaF ₃ :Yb,Er Nanocrystals with a Broad Emission Window from 350 nm to 2.8 μm: Implications for Lighting ApplicationsPokhrel, Madhab; Gupta, Santosh K.; Perez, Alan; Modak, Brindaban; Modak, Pampa; Lewis, Linda A.; Mao, Yuanbing2021-12-2410332809ACS Applied Nano Materials41213562 to 135722574-0970https://doi.org/10.1021/acsanm.1c030232112650National Science Foundation