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Light Emission from Transuranic Elements.

Katherine S Larson1, Gaël Ung1

  • 1Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, United States.

Inorganic Chemistry
|May 19, 2026
PubMed
Summary
This summary is machine-generated.

Luminescence in transuranic actinides (Np, Pu, Am, Cm, Bk, Cf, Es) is crucial for nuclear energy and medicine. This review details their unique spectral properties and photophysical behaviors, aiding understanding of 5f elements.

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Area of Science:

  • Radiochemistry and Nuclear Chemistry
  • Materials Science
  • Spectroscopy

Background:

  • Transuranic actinides are vital for nuclear energy, technology, and radiotherapies.
  • Luminescence serves as a key identifier for transuranic radioisotopes, offering characteristic spectral peaks for each element.
  • Understanding actinide luminescence is essential for their safe application.

Purpose of the Study:

  • To provide a comprehensive review of actinide luminescence studies.
  • To explore the electronic structures and coordination chemistry of Np, Pu, Am, Cm, Bk, Cf, and Es.
  • To highlight the photophysical properties of transuranic actinides in various chemical environments.

Main Methods:

  • Compilation and analysis of existing luminescence studies on transuranic actinides.
  • Extraction and overlaying of emission spectra for multiple actinide species.
  • Review of diverse chemical environments including aquo ions, single crystals, and metal-ligand complexes.

Main Results:

  • Detailed insights into the luminescence of Np, Pu, Am, Cm, Bk, Cf, and Es.
  • Characterization of photophysical properties across different chemical settings.
  • Identification of unique luminescence mechanisms like antenna effect and charge transfer.

Conclusions:

  • Actinide luminescence deepens the understanding of 5f element electronic structures.
  • Luminescence aids in assigning 5f transition states.
  • This knowledge fuels interest in f-block chemistry and promotes safer actinide utilization.