L He, X Zou, X He, F Lei, N Jiang, Q Zheng… - Crystal Growth & …, 2018 - ACS Publications
A variety of NaYF4: Yb/Er upconversion materials were successfully synthesized via a facile
hydrothermal method by altering the volume ratios (0: 1, 1: 1, 2: 1, 3: 1, 4: 1, 5: 1) of ethanol …