In situ observation of nanoparticle ordering at the air-water-substrate boundary in colloidal solutions using x-ray nanobeams

S. V. Roth; T. Autenrieth; G. Grübel; C. Riekel; M. Burghammer; R. Hengstler; L. Schulz; P. Müller-Buschbaum

doi:10.1063/1.2776850

In situ observation of nanoparticle ordering at the air-water-substrate boundary in colloidal solutions using x-ray nanobeams

S. V. Roth, T. Autenrieth, G. Grübel, C. Riekel, M. Burghammer, R. Hengstler, L. Schulz, P. Müller-Buschbaum

Chair of Functional Materials

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

The nanoscale structuring during evaporation of a droplet consisting of an aqueous colloidal solution of 2 nm gold nanoparticles in water on a silicon substrate is followed in real time. The authors investigated the transfer of lateral order and vertical layering as a function of time at the three-phase contact line air-solution substrate combining a nanometer-sized x-ray beam with a grazing incidence geometry. A pronounced retardation of vertical ordering is observed with respect to lateral ordering. While individual layers are deposited during evaporation of the solvent, the growth parallel to the substrate shows a strongly nondiffusive behavior.

Original language	English
Article number	091915
Journal	Applied Physics Letters
Volume	91
Issue number	9
DOIs	https://doi.org/10.1063/1.2776850
State	Published - 2007

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title = "In situ observation of nanoparticle ordering at the air-water-substrate boundary in colloidal solutions using x-ray nanobeams",

abstract = "The nanoscale structuring during evaporation of a droplet consisting of an aqueous colloidal solution of 2 nm gold nanoparticles in water on a silicon substrate is followed in real time. The authors investigated the transfer of lateral order and vertical layering as a function of time at the three-phase contact line air-solution substrate combining a nanometer-sized x-ray beam with a grazing incidence geometry. A pronounced retardation of vertical ordering is observed with respect to lateral ordering. While individual layers are deposited during evaporation of the solvent, the growth parallel to the substrate shows a strongly nondiffusive behavior.",

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note = "Funding Information: This work was financially supported by the DFG Schwerpunktprogramm SPP 1164 “Nano- and Microfluidics” (Mu1487/2).",

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language = "English",

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AU - Roth, S. V.

AU - Autenrieth, T.

AU - Grübel, G.

AU - Riekel, C.

AU - Burghammer, M.

AU - Hengstler, R.

AU - Schulz, L.

AU - Müller-Buschbaum, P.

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Y1 - 2007

N2 - The nanoscale structuring during evaporation of a droplet consisting of an aqueous colloidal solution of 2 nm gold nanoparticles in water on a silicon substrate is followed in real time. The authors investigated the transfer of lateral order and vertical layering as a function of time at the three-phase contact line air-solution substrate combining a nanometer-sized x-ray beam with a grazing incidence geometry. A pronounced retardation of vertical ordering is observed with respect to lateral ordering. While individual layers are deposited during evaporation of the solvent, the growth parallel to the substrate shows a strongly nondiffusive behavior.

AB - The nanoscale structuring during evaporation of a droplet consisting of an aqueous colloidal solution of 2 nm gold nanoparticles in water on a silicon substrate is followed in real time. The authors investigated the transfer of lateral order and vertical layering as a function of time at the three-phase contact line air-solution substrate combining a nanometer-sized x-ray beam with a grazing incidence geometry. A pronounced retardation of vertical ordering is observed with respect to lateral ordering. While individual layers are deposited during evaporation of the solvent, the growth parallel to the substrate shows a strongly nondiffusive behavior.

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M3 - Article

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VL - 91

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 9

M1 - 091915

ER -

In situ observation of nanoparticle ordering at the air-water-substrate boundary in colloidal solutions using x-ray nanobeams

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