Nanopore fabrication by heating au particles on ceramic substrates

Lennart de Vreede; Albert van den Berg; Jan C.T. Eijkel

doi:10.1021/nl5042676

Nanopore fabrication by heating au particles on ceramic substrates

Lennart de Vreede
, Albert van den Berg
, Jan C.T. Eijkel

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

59 Citations (Scopus)

177 Downloads (Pure)

Abstract

We found that gold nanoparticles, when heated to close to their melting point on substrates of amorphous SiO2 or amorphous Si3N4, move perpendicularly into the substrate. Dependent on applied temperatures, particles can become buried or leave nanopores of extreme aspect ratio (diameter congruent to 25 nm, length up to 800 nm). The process can be understood as driven by gold evaporation and controlled by capillary forces and can be controlled by temperature programming and substrate choice.

Original language	English
Pages (from-to)	727-731
Number of pages	5
Journal	Nano letters
Volume	15
Issue number	1
DOIs	https://doi.org/10.1021/nl5042676
Publication status	Published - 30 Jan 2015

Keywords

2024 OA procedure

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10.1021/nl5042676

ArticleFinal published version, 2.09 MBLicence: Taverne

Cite this

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title = "Nanopore fabrication by heating au particles on ceramic substrates",

abstract = "We found that gold nanoparticles, when heated to close to their melting point on substrates of amorphous SiO2 or amorphous Si3N4, move perpendicularly into the substrate. Dependent on applied temperatures, particles can become buried or leave nanopores of extreme aspect ratio (diameter congruent to 25 nm, length up to 800 nm). The process can be understood as driven by gold evaporation and controlled by capillary forces and can be controlled by temperature programming and substrate choice.",

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AU - van den Berg, Albert

AU - Eijkel, Jan C.T.

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PY - 2015/1/30

Y1 - 2015/1/30

N2 - We found that gold nanoparticles, when heated to close to their melting point on substrates of amorphous SiO2 or amorphous Si3N4, move perpendicularly into the substrate. Dependent on applied temperatures, particles can become buried or leave nanopores of extreme aspect ratio (diameter congruent to 25 nm, length up to 800 nm). The process can be understood as driven by gold evaporation and controlled by capillary forces and can be controlled by temperature programming and substrate choice.

AB - We found that gold nanoparticles, when heated to close to their melting point on substrates of amorphous SiO2 or amorphous Si3N4, move perpendicularly into the substrate. Dependent on applied temperatures, particles can become buried or leave nanopores of extreme aspect ratio (diameter congruent to 25 nm, length up to 800 nm). The process can be understood as driven by gold evaporation and controlled by capillary forces and can be controlled by temperature programming and substrate choice.

KW - 2024 OA procedure

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M3 - Article

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JO - Nano letters

JF - Nano letters

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Nanopore fabrication by heating au particles on ceramic substrates

Abstract

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