A multicolor carbon dot doped nanofibrous membrane for unclonable anti-counterfeiting and data encryption
Shunfei Qiang, Ke Yuan, Yanyan Cheng, Guoqiang Long, Wenkai Zhang, Xiaofeng Lin, Xiuli Chai, Xiaomin Fang, Tao Ding · Journal of Materials Chemistry C · 2023
Carbon dots are used to label nanofibers with four challenge–response pairs, creating an in-built and high-capacity physically unclonable function. This allows for signature, authentication and data encryption of fiber PUF to be demonstrated.