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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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Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications
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增材发光寿命调节升级转换纳米粒子的高容量光学编码.

Xiumei Chen1, Jinyu Wan1, Wei Li1

  • 1State Key Laboratory of Flexible Electronics (LoFE) & Institute of Advanced Materials (IAM), School of Flexible Electronics (Future Technologies), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing, 211816, China.

Angewandte Chemie (International ed. in English)
|December 24, 2025
PubMed
概括

研究人员开发了一种新的添加剂策略,以精确调整用于光学编码的丹化物添加的升级转化纳米粒子 (UCNP) 光发寿命. 这种方法为先进的信息存储应用提供了可预测的终身操纵.

关键词:
终身调整调整 终身调整发光的光度是非常的低的.纳米材料是一种纳米材料.有光学多重复杂的多重复杂.稀土是一种稀土.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 光学是什么?光学是什么?光学是什么?

背景情况:

  • 对于时间光学编码来说,合兰化物增强转化纳米材料的可调节发光寿命至关重要.
  • 目前调节发光寿命的方法通常是低效和不可预测的,因为它们依赖于材料合成.

研究的目的:

  • 展示一种易于和可预测的添加剂策略,用于调整丹化物添加的升级转换纳米粒子 (UCNPs) 的升级转换发光寿命.
  • 使使用UCNP的高容量光学编码系统成为可能.

主要方法:

  • 使用添加剂策略,类似于添加剂色彩混合,使用合兰化物UCNPs.
  • 该策略涉及将不同类型的UCNP结合起来,以实现所需的发光寿命.
  • 基于单个UCNP的发光量对操纵寿命的定量预测.

主要成果:

  • 一组可调节的发光寿命仅使用两种类型的UCNP生成.
  • 操纵的生命周期可以从数量上预测.
  • 该策略适用于兰他尼德发光的广泛光谱范围.

结论:

  • 开发的添加剂策略提供了一个可预测和简单的方法来调整转换发光寿命.
  • 这种方法有助于建立使用UCNP的高容量编码系统.
  • 开辟了光发寿命调节和大规模信息存储的新途径.