Core Insights - Tsinghua University's Shenzhen International Graduate School, in collaboration with Heilongjiang University and the National University of Singapore, has developed a unique "energy conversion coat" for rare earth nanocrystals, enhancing energy transfer efficiency and addressing key barriers for industrial applications in modern optoelectronic technology [1][2]. Group 1 - Rare earth nanocrystals are considered a "potential stock" in the field of electroluminescence due to their adjustable emission colors, narrow spectral lines, and high stability [1]. - The insulating properties of these materials hinder direct current injection, making it challenging to utilize them in LED and OLED devices, leading to a "running in a cotton-padded jacket" technical dilemma [1]. - The research team proposed an innovative organic-inorganic hybrid strategy, applying surface modification to equip rare earth nanocrystals with the "energy conversion coat," which effectively addresses the critical issues of exciton generation, transport, and injection in electroluminescence [1]. Group 2 - The recent study builds on previous work published in Nature in 2020, establishing a complete technological chain from photonic to electronic driving [2]. - The new findings allow for multi-color emission without significant alterations to device structures, simply by adjusting rare earth ions, indicating substantial application potential in high-resolution displays and near-infrared technologies [2]. - Future applications may extend to areas such as human health monitoring, non-invasive testing, and crop supplemental lighting [2].