Poly(3,4-ethylenedioxythiophene)-semiconductor nanoparticle composite thin films tethered to indium tin oxide substrates via electropolymerization

R. Clayton Shallcross, Gemma D. D'Ambruoso, Bryan D. Korth, H. K. Hall, Zhiping Zheng, Dong-Chul Pyun, Neal R Armstrong

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

Nanocomposite thin films are described which have been created from electropolymerized poly(3,4-ethylenedioxythiophene) (PEDOT) and new forms of ligand-capped CdSe nanoparticles (NP), using carboxylate ligands with 3,4-propylenedioxythiophene (ProDOT) capping groups (ProDOT-CA). A thin PEDOT film is first tethered to an indium tin oxide electrode, followed by electrochemical cross-linking of the ligand-capped nanoparticle with the PEDOT film. The resultant thin film material photoelectrochemically reduces solution C60 at potentials positive of its E°, where the PEDOT film is reduced (de-doped) and capable of hole capture from the photoexcited NP. This approach is distinctive from solution cast polymer/CdSe hybrid materials in that it enables direct wiring of the nanoparticle to the donor polymer and hole collecting electrode.

Original languageEnglish (US)
Pages (from-to)11310-11311
Number of pages2
JournalJournal of the American Chemical Society
Volume129
Issue number37
DOIs
StatePublished - Sep 19 2007

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Quantum Dots
Electropolymerization
Composite films
Tin oxides
Nanoparticles
Indium
Semiconductor materials
Thin films
Ligands
Substrates
Polymers
Electrodes
Nanocomposites
Nanocomposite films
Hybrid materials
Electric wiring
poly(3,4-ethylene dioxythiophene)
indium tin oxide

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Poly(3,4-ethylenedioxythiophene)-semiconductor nanoparticle composite thin films tethered to indium tin oxide substrates via electropolymerization. / Shallcross, R. Clayton; D'Ambruoso, Gemma D.; Korth, Bryan D.; Hall, H. K.; Zheng, Zhiping; Pyun, Dong-Chul; Armstrong, Neal R.

In: Journal of the American Chemical Society, Vol. 129, No. 37, 19.09.2007, p. 11310-11311.

Research output: Contribution to journalArticle

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AU - Zheng, Zhiping

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AB - Nanocomposite thin films are described which have been created from electropolymerized poly(3,4-ethylenedioxythiophene) (PEDOT) and new forms of ligand-capped CdSe nanoparticles (NP), using carboxylate ligands with 3,4-propylenedioxythiophene (ProDOT) capping groups (ProDOT-CA). A thin PEDOT film is first tethered to an indium tin oxide electrode, followed by electrochemical cross-linking of the ligand-capped nanoparticle with the PEDOT film. The resultant thin film material photoelectrochemically reduces solution C60 at potentials positive of its E°, where the PEDOT film is reduced (de-doped) and capable of hole capture from the photoexcited NP. This approach is distinctive from solution cast polymer/CdSe hybrid materials in that it enables direct wiring of the nanoparticle to the donor polymer and hole collecting electrode.

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