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相关概念视频

Photoluminescence: Applications01:14

Photoluminescence: Applications

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Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Photoluminescence: Fluorescence and Phosphorescence01:23

Photoluminescence: Fluorescence and Phosphorescence

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Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
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相关实验视频

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Local Field Fluorescence Microscopy: Imaging Cellular Signals in Intact Hearts
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使用纳米光子闪光

Renwen Yu1, Shanhui Fan1

  • 1Ginzton Laboratory, Department of Electrical Engineering, Stanford University, Stanford, CA, USA.

Science (New York, N.Y.)
|February 24, 2022
PubMed
概括

纳米光子结构可以操纵和增强闪. 这项研究探讨了先进材料中控制光辐射的新方法.

科学领域:

  • 纳米光子学
  • 材料科学
  • 光学学

背景情况:

  • 闪是各种应用中至关重要的现象,包括医学成像和高能物理.
  • 控制闪光性能对于提高探测器性能和实现新功能至关重要.

研究的目的:

  • 研究纳米光子结构用于操纵闪光.
  • 展示提高闪光效率和控制的方法.

主要方法:

  • 定制纳米光子结构的制造.
  • 使用先进的光学技术来描述闪光特性.
  • 纳米结构中的光物质相互作用的理论建模.

主要成果:

  • 通过量身定制的纳米光子设计显著提高了闪光强度.
  • 实现了对闪空间分布和时间动态的精确控制.
  • 确定了优化闪光性能的关键设计参数.

结论:

  • 纳米光子结构为先进的闪光控制提供了强大的平台.
  • 这项工作为下一代闪探测器铺平了道路,
  • 纳米光子增强闪的进一步探索对各种科学和技术领域具有前景.

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