Wang, T., Zhou, D., Wang, R., Wang, Y., Li, W., Liang, J., Song, H. (2026). Breaking Efficiency Barrier: Dual‐Channel Energy Transfer Enables Record 1540  nm NIR LEDs from Er
                    <sup>3+</sup>
                    ‐Doped Cs
                    <sub>3</sub>
                    DyI
                    <sub>6</sub>
                    Nanocrystals. Advanced Materials. https://doi.org/10.1002/adma.202512712