Self-assembled heterostructures based on triethylenetetraamine grafted PPV, polymeric dyes and complexed metals ions

structure and energy transfer

H. Hong, I. Benjamin, S. Kirstein, Y. Avny, Ronny Neumann, D. Davidov

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Poly(phenylenevinylene) (PPV) grafted with triethylenetetramine (TETA), PPV:TETA, unlike PPV, can interact with anionic sulfonated polymer dyes and can also coordinate metal ions, eg Eu, by chelation with the grafted TETA moiety. We have used these interactions and chelation to construct two types of self-assembled films using the layer-by-layer self-assembly technique. Structural characterization by means of specular X-ray reflectivity of heterostructures containing PPV:TETA:Eu showed that in self-assembled films containing metal ions there is a clear Bragg reflection (up to the third harmonic) indicating the formation of well modulated heterostructures. Photoluminescence (PL) measurements of heterostructures containing PPV:TETA and anionic polymer dyes showed evidence for energy transfer between the PPV:TETA and the polymer dyes.

Original languageEnglish
Pages (from-to)1215-1216
Number of pages2
JournalSynthetic Metals
Volume102
Issue number1-3
DOIs
Publication statusPublished - Jun 1999

Fingerprint

Trientine
Energy transfer
Metal ions
Heterojunctions
metal ions
chelation
Coloring Agents
Dyes
dyes
energy transfer
Chelation
polymers
Polymers
Self assembly
self assembly
Photoluminescence
reflectance
photoluminescence
harmonics
X rays

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Self-assembled heterostructures based on triethylenetetraamine grafted PPV, polymeric dyes and complexed metals ions : structure and energy transfer. / Hong, H.; Benjamin, I.; Kirstein, S.; Avny, Y.; Neumann, Ronny; Davidov, D.

In: Synthetic Metals, Vol. 102, No. 1-3, 06.1999, p. 1215-1216.

Research output: Contribution to journalArticle

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AU - Benjamin, I.

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AU - Avny, Y.

AU - Neumann, Ronny

AU - Davidov, D.

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AB - Poly(phenylenevinylene) (PPV) grafted with triethylenetetramine (TETA), PPV:TETA, unlike PPV, can interact with anionic sulfonated polymer dyes and can also coordinate metal ions, eg Eu, by chelation with the grafted TETA moiety. We have used these interactions and chelation to construct two types of self-assembled films using the layer-by-layer self-assembly technique. Structural characterization by means of specular X-ray reflectivity of heterostructures containing PPV:TETA:Eu showed that in self-assembled films containing metal ions there is a clear Bragg reflection (up to the third harmonic) indicating the formation of well modulated heterostructures. Photoluminescence (PL) measurements of heterostructures containing PPV:TETA and anionic polymer dyes showed evidence for energy transfer between the PPV:TETA and the polymer dyes.

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