Shilong Zhong, Yongjian Zhu, Weien Liang, Yuntao Hu, Weibin Liu, Yiyong Chen, Chengbin Zou, Jinru Li, Xin Liu, Zhongke Yuan, Yujie Chen, Zhiguo Liu, Jingyi Rao, Zhaoxiang Zhu, Cheng Wang, Xudong Chen. "Buckling‐Induced Angular‐Switchable Diffraction Images on Polyurethane Film for Optical Encryption and Anti‐Counterfeiting." Advanced Materials, 2026. doi:10.1002/adma.74145