Tianxiang Peng

Anomalous Temperature-Dependent Upconversion Luminescence of α-NaYF₄:Yb³⁺/Er³⁺ Nanocrystals Synthesized by a Microwave-Assisted Hydrothermal Method.

Baojiu Chen, Xizhen Zhang, Xiangping Li, 2016, Journal of nanoscience and nanotechnology.