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Photoluminescence: Applications01:14

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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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Recent Progress in Photonic Upconversion Materials for Organic Lanthanide Complexes.

Hong-Ju Yin1, Zhong-Gui Xiao1, Yansong Feng2

  • 1College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.

Materials (Basel, Switzerland)
|August 26, 2023
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Summary
This summary is machine-generated.

Organic lanthanide complexes facilitate photon upconversion (UC) for energy applications. These materials offer advantages over inorganic nanoparticles for bioimaging and solar cells.

Keywords:
activatormechanismorganic lanthanide complexessensitizerupconversion luminescence

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Area of Science:

  • Materials Science
  • Chemistry
  • Biotechnology

Background:

  • Organic lanthanide complexes exhibit unique energy transfer mechanisms for photon upconversion (UC).
  • UC converts low-energy photons to high-energy photons, a process with significant technological potential.
  • Organic UC complexes offer tunable size and composition, advantageous for biological applications compared to inorganic nanoparticles.

Purpose of the Study:

  • To review the fundamental concepts of organic lanthanide-based UC materials.
  • To summarize recent advancements in organic UC materials and their underlying mechanisms.
  • To highlight applications in bioimaging and solar cells, and discuss future challenges.

Main Methods:

  • Literature review of organic lanthanide-based upconversion materials.
  • Analysis of energy transfer mechanisms in these complexes.
  • Compilation of recent applications in bioimaging and solar energy.

Main Results:

  • Organic lanthanide complexes demonstrate efficient photon upconversion via various energy transfer pathways.
  • These materials show promise for enhanced bioimaging resolution and efficiency in solar cells.
  • Controllable properties of organic complexes make them suitable for targeted biological delivery.

Conclusions:

  • Organic lanthanide UC materials are a rapidly developing field with significant potential.
  • Further research is needed to overcome challenges and fully exploit their capabilities in bioimaging and solar energy.
  • This review provides insights into current progress and future research directions.