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

doi:10.1021/cm301734b

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 journal › Article › peer-review

49 Scopus citations

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 language	English (US)
Pages (from-to)	3088-3093
Number of pages	6
Journal	Chemistry of Materials
Volume	24
Issue number	15
DOIs	https://doi.org/10.1021/cm301734b
State	Published - Aug 14 2012

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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10.1021/cm301734b

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

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.",

author = "Sines, {Ian T.} and Vaughn, {Dimitri D.} and Biacchi, {Adam J.} and Kingsley, {Corinne E.} and Popczun, {Eric J.} and Schaak, {Raymond Edward}",

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journal = "Chemistry of Materials",

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T1 - Engineering porosity into single-crystal colloidal nanosheets using epitaxial nucleation and chalcogenide anion exchange reactions

T2 - The conversion of snse to SnTe

AU - Sines, Ian T.

AU - Vaughn, Dimitri D.

AU - Biacchi, Adam J.

AU - Kingsley, Corinne E.

AU - Popczun, Eric J.

AU - Schaak, Raymond Edward

PY - 2012/8/14

Y1 - 2012/8/14

N2 - 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.

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

Abstract

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