1. Binary temporal upconversion codes of Mn2+-activated nanoparticles for multilevel anti-counterfeiting. Issue 1 (December 2017) Authors: Liu, Xiaowang; Wang, Yu; Li, Xiyan; Yi, Zhigao; Deng, Renren; Liang, Liangliang; Xie, Xiaoji; Loong, Daniel; Song, Shuyan; Fan, Dianyuan; All, Angelo; Zhang, Hongjie; Huang, Ling; Liu, Xiaogang Journal: Nature communications Issue: Volume 8:Issue 1(2017) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗