Helically Assembled Rare Earth Fluoride Nanoparticles with Multicolor Circularly Polarized Luminescence for High‐Security Anti‐Counterfeiting. - Yuan, Wen; Lu, Shan; Li, Xingjun; Li, Zhuo; Gu, Xiaobo; Liu, Xingyang; Ren, Zhixiao; Wang, Fei; Chen, Xueyuan (Aggregate, 2025)