有机半导体敏化策略
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稀土 大消息!
Zhong Guo Ji Jin Bao· 2025-11-25 09:44
Core Insights - A groundbreaking research collaboration between Heilongjiang University, Tsinghua University, and the National University of Singapore has successfully addressed the challenge of efficient electroluminescence in insulating rare earth nanocrystals, as published in *Nature* [1][3][5] - This research supports China's strategic shift from "raw material export" to "high value-added technology output" in the rare earth sector [1][5] Industry Overview - Rare earth elements are considered irreplaceable strategic resources, often referred to as "industrial vitamins" [3] - China holds advantages in rare earth resource reserves and smelting but faces bottlenecks in high-end functional materials and devices [3] Technological Breakthrough - The research team introduced an organic semiconductor sensitization strategy, using functionalized organic ligands as a "photoelectric bridge" to efficiently transfer energy to insulating rare earth nanocrystals, enabling current-driven efficient light emission [3][5] - The new technology demonstrates significant application potential, with electroluminescent device efficiency improved by 76 times and the ability to achieve full-spectrum light emission through rare earth ion modulation in a single device [5] Implications for the Rare Earth Industry - This breakthrough paves the way for transforming the properties of rare earth materials into high-end device functionalities, contributing to the enhancement of China's independent innovation capabilities and the added value of end products in the rare earth industry [5]