Engineering porosity into single-crystal colloidal nanosheets using epitaxial nucleation and chalcogenide anion exchange reactions: The conversion of snse to SnTe

Ian T. Sines, Dimitri D. Vaughn, Adam J. Biacchi, Corinne E. Kingsley, Eric J. Popczun, Raymond Edward Schaak

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Single-crystal colloidal SnSe nanosheets react with a trioctylphosphine- tellurium complex to transform into porous single-crystal SnTe nanosheets with oriented nanocube protrusions. This chemical transformation reaction, which provides chemical and crystallographic guidelines for designing secondary nanostructural features into single crystal colloidal nanosheets and also results in two-dimensional nanosheets of a three-dimensionally bonded material, proceeds via a diffusion-mediated anion exchange pathway. Intermediate nanosheets reveal that SnTe nucleates with crystallographic alignment on the surface of the SnSe nanosheet, which ultimately is consumed to produce the porous SnTe nanosheet product. The anion exchange reaction is general, successfully converting a library of metal selenides and sulfides to the corresponding tellurides.

Original languageEnglish (US)
Pages (from-to)3088-3093
Number of pages6
JournalChemistry of Materials
Volume24
Issue number15
DOIs
StatePublished - Aug 14 2012

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Nanosheets
Anions
Ion exchange
Nucleation
Negative ions
Porosity
Single crystals
Tellurium
Sulfides
Metals

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

Cite this

Sines, Ian T. ; Vaughn, Dimitri D. ; Biacchi, Adam J. ; Kingsley, Corinne E. ; Popczun, Eric J. ; Schaak, Raymond Edward. / Engineering porosity into single-crystal colloidal nanosheets using epitaxial nucleation and chalcogenide anion exchange reactions : The conversion of snse to SnTe. In: Chemistry of Materials. 2012 ; Vol. 24, No. 15. pp. 3088-3093.
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abstract = "Single-crystal colloidal SnSe nanosheets react with a trioctylphosphine- tellurium complex to transform into porous single-crystal SnTe nanosheets with oriented nanocube protrusions. This chemical transformation reaction, which provides chemical and crystallographic guidelines for designing secondary nanostructural features into single crystal colloidal nanosheets and also results in two-dimensional nanosheets of a three-dimensionally bonded material, proceeds via a diffusion-mediated anion exchange pathway. Intermediate nanosheets reveal that SnTe nucleates with crystallographic alignment on the surface of the SnSe nanosheet, which ultimately is consumed to produce the porous SnTe nanosheet product. The anion exchange reaction is general, successfully converting a library of metal selenides and sulfides to the corresponding tellurides.",
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Engineering porosity into single-crystal colloidal nanosheets using epitaxial nucleation and chalcogenide anion exchange reactions : The conversion of snse to SnTe. / Sines, Ian T.; Vaughn, Dimitri D.; Biacchi, Adam J.; Kingsley, Corinne E.; Popczun, Eric J.; Schaak, Raymond Edward.

In: Chemistry of Materials, Vol. 24, No. 15, 14.08.2012, p. 3088-3093.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Sines, Ian T.

AU - Vaughn, Dimitri D.

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AB - Single-crystal colloidal SnSe nanosheets react with a trioctylphosphine- tellurium complex to transform into porous single-crystal SnTe nanosheets with oriented nanocube protrusions. This chemical transformation reaction, which provides chemical and crystallographic guidelines for designing secondary nanostructural features into single crystal colloidal nanosheets and also results in two-dimensional nanosheets of a three-dimensionally bonded material, proceeds via a diffusion-mediated anion exchange pathway. Intermediate nanosheets reveal that SnTe nucleates with crystallographic alignment on the surface of the SnSe nanosheet, which ultimately is consumed to produce the porous SnTe nanosheet product. The anion exchange reaction is general, successfully converting a library of metal selenides and sulfides to the corresponding tellurides.

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