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Related Experiment Video

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Tutorial on the acquisition, analysis, and interpretation of upconversion luminescence data.

P Stanley May1, Mary Berry1

  • 1Department of Chemistry, University of South Dakota, 414 E Clark St., Vermillion, SD, 57069 United States of America.

Methods and Applications in Fluorescence
|January 30, 2019
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Summary
This summary is machine-generated.

Standardizing spectroscopic characterization of upconversion nanocrystals (UCNC) is crucial for research advancement. This study proposes methods for acquiring and interpreting UCNC luminescence data for consistent comparison across studies.

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Spectroscopy

Background:

  • Quantitative spectroscopic characterization of upconversion nanocrystals (UCNC) has not kept pace with other research areas.
  • This hinders the comparison of UCNC performance and characteristics across different studies, slowing overall progress.

Purpose of the Study:

  • To propose standardized methods for acquiring, analyzing, and interpreting upconversion luminescence data.
  • To enable meaningful comparisons of UCNC properties within the research community.

Main Methods:

  • Detailed kinetic analysis of photodynamic processes in β-NaYF₄:Yb, Er.
  • Modeling of electronic excited state kinetics to guide data interpretation.

Main Results:

  • The study provides conceptual guidelines derived from kinetic modeling for interpreting spectroscopic data.
  • Identified key measurements that serve as useful descriptors for comparing UCNC.

Conclusions:

  • The proposed methods and guidelines are applicable to Yb-sensitized and most lanthanide-based upconversion materials.
  • Implementing these suggestions will facilitate consistent and comparable UCNC research.