Challenor, M., P. Gong, D. Lorenser, M. Fitzgerald, S. Dunlop, D. D. Sampson, and K. S. Iyer. 2013. “Iron Oxide-Induced Thermal Effects on Solid-State Upconversion Emissions in NaYF4:Yb,Er Nanocrystals.” ACS APPLIED MATERIALS & INTERFACES 5 (16): 7875-7880.