Large-scale synthesis and screen printing of upconversion hexagonal-phase NaYF4:Yb3+,Tm3+/Er3+/Eu3+ plates for security applications
Journal of Materials Chemistry C [2016]
Weijing Yao, Qingyong Tian, Jun Liu, Zhaohui Wu, Shuyuan Cui, Jin Ding, Zhigao Dai, Wei Wu