Z Pan, Y Wen, T Wang, K Wang, Y Teng, K Shao - Journal of Rare Earths, 2020 - Elsevier
Abstract Novel PEI-modified NaBiF 4: Yb 3+/Er 3+ upconversion nanoparticles (UCNPs) with
hollow structure were prepared by a surface modification free one-step solvothermal method …