Excitation energy transfer from polystyrene to dye in 40-nm diameter microspheres

Bruce Paul Wittmershaus, Timothy T. Baseler, Gregg T. Beaumont, Yu Zhong Zhang

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

When dye molecules are placed into a solid, like a polymer matrix, the opportunity exists for resonant excitation energy transfer from the solid to the dye. We observe a 51% excitation transfer efficiency from polystyrene to the fluorescent dye BODIPY® 564/591 in 40-nm polystyrene microspheres manufactured for use as fluorescent bioprobes. The Förster radius for this transfer is 19 Å. Despite this modest value for R0, the high concentration of dye in these spheres permits efficient excitation transfer. Absorption, fluorescence, and fluorescence excitation spectra for the polystyrene spheres with and without dye are reported. Our work highlights the idea that the solid need not just be a structural entity in the creation of a fluorescent material. It can play the role of an element in an excitation transfer network. The solid's absorption of light can sensitize fluorescence from the dye molecules through excitation transfer, increasing the overall emission of the dye. Application to the area of biological fluorescence probe development is discussed.

Original languageEnglish (US)
Pages (from-to)107-118
Number of pages12
JournalJournal of Luminescence
Volume96
Issue number2-4
DOIs
StatePublished - Mar 1 2002

Fingerprint

Excitation energy
Polystyrenes
Energy Transfer
Microspheres
Energy transfer
polystyrene
Coloring Agents
dyes
energy transfer
Fluorescence
excitation
fluorescence
Molecules
Biosensing Techniques
Polymer matrix
Fluorescent Dyes
Polymers
molecules
Light
radii

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Wittmershaus, Bruce Paul ; Baseler, Timothy T. ; Beaumont, Gregg T. ; Zhang, Yu Zhong. / Excitation energy transfer from polystyrene to dye in 40-nm diameter microspheres. In: Journal of Luminescence. 2002 ; Vol. 96, No. 2-4. pp. 107-118.
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Excitation energy transfer from polystyrene to dye in 40-nm diameter microspheres. / Wittmershaus, Bruce Paul; Baseler, Timothy T.; Beaumont, Gregg T.; Zhang, Yu Zhong.

In: Journal of Luminescence, Vol. 96, No. 2-4, 01.03.2002, p. 107-118.

Research output: Contribution to journalArticle

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T1 - Excitation energy transfer from polystyrene to dye in 40-nm diameter microspheres

AU - Wittmershaus, Bruce Paul

AU - Baseler, Timothy T.

AU - Beaumont, Gregg T.

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