Multiband excited bright NIR emitter via Yb3+/Cr3+ co-doped double perovskites for multimodal anti-counterfeiting and imaging

Gaoqiang Li, Xu Chen, Meng Wang, Run Jiang, Xinzhen Ji, Dongwen Yang, Mochen Jia, Jibin Zhang, Yanbing Han, Linyuan Lian, Yongtao Tian, Xinjian Li, Zhifeng Shi