Ultrabright Near-Infrared Lead-Free Perovskite Light-Emitting Diodes with Negligible Efficiency Roll-Off - Tianjun Liu; Qichun Gu; Xinjuan Li; Yunzhou Deng; Zhongzheng Yu; Weidong Xu; Linfeng Pan; Zher Ying Ooi; Yang Lu; Young-Kwang Jung; Yuqi Sun; Alessandro Mirabelli; et al. (Journal of the American Chemical Society, 2026)