高发光铜基油墨,光发光量效率超过98
Jing-Jing Wang1,2, Chen Chen1,2, Wei-Guo Chen3,4
1Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale , University of Science and Technology of China , Hefei , Anhui 230026 , China.
Journal of the American Chemical Society
|February 12, 2020
概括
研究人员使用一种新型的铜杂交集群开发出一种高度发光的墨水. 这种先进的墨水实现了超过98%的量子效率,
科学领域:
- 材料科学
- 化学学
背景情况:
- 现有的发光油墨具有较低的光发光效率,需要强烈的激发光.
- 在装饰涂料,艺术品和防伪应用中,需要具有增强发光的油墨.
研究的目的:
- 开发一种具有高量子效率的高发光墨水.
- 探索铜杂交集群对先进的发光材料的潜力.
主要方法:
- 一种铜-/1--1,4-diazabicyclo[2.2.2]octan-1-ium (Cu4I6(pr-ted) 2) 混合的单溶液合成.
- 将混合集群与聚烯 (PVP) 结合在一起,形成发光墨水.
- 墨水的发光特性,包括量子效率和辐射光谱.
主要成果:
- 实现了超过98%的量子效率.
- 由于高效的光,合成的墨水呈现出强烈的绿色光辐射.
- 证明了紫外线转化为绿色光的高效率,归因于广泛的斯托克斯转移.
结论:
- 这种Cu4I6 () /PVP墨水提供了特殊的发光,克服了当前技术的局限性.
- 这种墨水的特性表明,它具有防伪和发光太阳能缩器应用的巨大潜力.
- 简单的单合成使得这种高性能发光墨水的实际生产成为可能.
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