打破核心技术瓶颈 我国科研团队发布稀土材料最新成果

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][4] - This research supports China's strategic shift from "raw material export" to "high value-added technology output" in the rare earth sector [1][4] Group 1: Research Significance - Rare earth elements are considered irreplaceable strategic resources, often referred to as "industrial vitamins" [4] - China holds advantages in rare earth resource reserves and smelting but faces industrial bottlenecks in high-end functional materials and devices [4] Group 2: Technical 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 [4][6] - The new technology demonstrates significant application potential, with electroluminescent device efficiency increased by 76 times and the ability to achieve full-spectrum light emission through rare earth ion modulation within a single device [6] Group 3: Industry Impact - This breakthrough establishes a technical pathway for converting the properties of rare earth materials into high-end device functionalities, contributing to the enhancement of China's rare earth industry chain's independent innovation capabilities and the added value of end products [7]