稀土高端光电应用
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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]
稀土,大消息!
中国基金报· 2025-11-25 09:14
Core Insights - A groundbreaking research achievement by Heilongjiang University, Tsinghua University, and the National University of Singapore has successfully addressed the challenge of efficient electroluminescence in insulating rare earth nanocrystals, providing crucial technological support for China's strategic shift from "raw material export" to "high value-added technology output" [2][3]. Group 1: Research Significance - Rare earth elements are irreplaceable strategic resources, often referred to as "industrial vitamins" [3]. - China holds advantages in rare earth resource reserves and smelting but faces industrial bottlenecks in high-end functional materials and devices [3]. - The research team introduced an innovative organic semiconductor sensitization strategy, using functionalized organic ligands as a "photoelectric bridge" to efficiently transfer energy to insulating rare earth nanocrystals, enabling high-efficiency electroluminescence driven by electric current [3][4]. Group 2: Technological Breakthrough - The new technology demonstrates significant application potential, with electroluminescent device efficiency improved by 76 times, and the ability to achieve full-spectrum emission through rare earth ion modulation in a single device [4]. - This breakthrough marks a key advancement for China in the high-end optoelectronic application of rare earth materials, providing a new material system for the development of autonomous ultra-high-definition displays, near-infrared communication, and biomedical applications [4]. - The achievement successfully establishes a technical pathway for converting the properties of rare earth materials into high-end device functionalities, contributing substantively to enhancing China's independent innovation capabilities and the added value of end products in the rare earth industry [4].
重要成果!稀土,大消息!
证券时报· 2025-11-25 03:49
近日,黑龙江大学、清华大学和新加坡国立大学合作完成的突破性研究成果在《Nature》正式发表,成功攻克绝缘性稀土纳米晶的高效电致发光这一世界难题。该 研究为实现我国稀土资源从"原料出口"向"高附加值技术输出"的战略转型提供了关键核心技术支撑。 重要成果。 △《自然》网站文章截图 面对这一制约稀土材料迈向高端应用的瓶颈,研究团队开创性地提出有机半导体敏化策略,以功能化有机配体作为"光电桥梁",成功将能量精准高效地传递给绝缘 稀土纳米晶,实现了电流驱动下的高效发光。 该技术展现出巨大应用潜力:电致发光器件效率提升76倍,并可在单一器件中通过稀土离子调控实现全光谱发光。这标志着我国在稀土高端光电应用领域取得关键 突破,为发展自主可控的超高清显示、近红外通信、生物医疗等新一代信息技术提供了全新材料体系。 △有机—无机杂化发光单元设计与能量传递机制示意图(研究团队供图) 此项突破,成功打通了将稀土材料特性转化为高端器件功能的技术路径,为提升我国稀土产业链的自主创新能力与终端产品附加值做出了实质性贡献。 来源:央视新闻 责编:李丹 校对:盘达 稀土是不可替代的战略资源,被誉为"工业维生素"。我国在稀土资源储量和冶炼上具有 ...
重要成果!稀土大消息!
Mei Ri Jing Ji Xin Wen· 2025-11-24 23:28
Group 1 - 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] - The research provides critical technological support for China's strategic shift from "raw material export" to "high value-added technology output" in rare earth resources [1][3] - Rare earth elements are deemed irreplaceable strategic resources, often referred to as "industrial vitamins," with China holding advantages in resource reserves and smelting, but facing bottlenecks in high-end functional materials and devices [3][5] Group 2 - 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 high-efficiency electroluminescence driven by electric current [3][5] - The new technology demonstrated a 76-fold increase in electroluminescent device efficiency and allows for full-spectrum light emission through rare earth ion modulation within a single device [5] - This breakthrough paves the way for advancements in autonomous and controllable ultra-high-definition displays, near-infrared communication, and biomedical applications, contributing significantly to enhancing China's rare earth industry chain's innovation capability and product value [5] Group 3 - Researchers discovered a significant accumulation of rare earth elements in a fern species called "Wumaozhe," observing a phenomenon of biogenic mineralization where these elements self-assemble into a mineral known as "lanthanite" within plant tissues [6] - This finding marks the first observation of biogenic mineralization of rare earth elements in natural plants, offering a new pathway for sustainable utilization of rare earth resources [6] - The study highlights the potential of "super-accumulating plants" like Wumaozhe, which can efficiently absorb and concentrate rare earth elements from the environment, presenting a cleaner and more sustainable method for rare earth extraction [6]
打破核心技术瓶颈 我国科研团队发布稀土材料最新成果
Yang Shi Xin Wen· 2025-11-23 15:06
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]