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Related Experiment Video

Updated: Mar 31, 2026

Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
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Concentration-mediated multicolor fluorescence polymer carbon dots.

Chan Jin Jeong1, Gibaek Lee2, Insik In1,3

  • 1Department of IT Convergence, Korea National University of Transportation, Chungju, Republic of Korea.

Luminescence : the Journal of Biological and Chemical Luminescence
|October 24, 2015
PubMed
Summary

Researchers developed polymer dots (PDs) from Pluronic® F-127 that exhibit tunable multicolor fluorescence. Adjusting concentration and excitation wavelengths alters emission from red to blue, offering new carbon nanomaterial possibilities.

Keywords:
Pluronicconcentrationfluorescencemulticolorpolymer dot

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • Polymer dots (PDs) are fluorescent nanomaterials with diverse applications.
  • Controlling the fluorescence properties of PDs is crucial for advanced applications.
  • Pluronic® F-127 is a triblock copolymer with potential for nanomaterial synthesis.

Purpose of the Study:

  • To synthesize polymer dots (PDs) from Pluronic® F-127.
  • To investigate the concentration-mediated multicolor fluorescence of these PDs.
  • To explore the potential of these PDs as a new generation of carbon-based nanomaterials.

Main Methods:

  • Single-step synthesis of PDs via sulfuric acid-treated dehydration of Pluronic® F-127.
  • Characterization of PDs' dispersion stability in solvent media.
  • Tuning fluorescence emission by adjusting excitation wavelengths and PD concentration in aqueous solution.

Main Results:

  • Successfully prepared Pluronic-based PDs (P-PDs) with high dispersion stability.
  • Observed widely tunable fluorescence emission from red to blue.
  • Hypothesized that fluorescence tuning results from energy or charge transfer within the P-PD core.

Conclusions:

  • P-PDs exhibit unique concentration-mediated multicolor fluorescence.
  • Surface energy trap reconstruction via aggregation offers a pathway for tunable carbon nanomaterials.
  • These P-PDs hold promise for multifunctional nanomaterials responsive to stimuli.