Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography

Komanicky, Vladimir; Barbour, Andi; Lackova, Miroslava; Zorko, Milena; Zhu, Chenhui; Pierce, Michael; You, Hoydoo

doi:10.1186/1556-276X-9-336

Title: Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography

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Abstract

Here, we developed a method for production of arrays of platinum nanocrystals of controlled size and shape using templates from ordered silica bead monolayers. Silica beads with nominal sizes of 150 and 450 nm were self-assembl into monolayers over strontium titanate single crystal substrates. The monolayers were used as shadow masks for platinum metal deposition on the substrate using the three-step evaporation technique. Produced arrays of epitaxial platinum islands were transformed into nanocrystals by annealing in a quartz tube in nitrogen flow. The shape of particles is determined by the substrate crystallography, while the size of the particles and their spacing are controlled by the size of the silica beads in the mono- layer mask. As a proof of concept, arrays of platinum nanocrystals of cubooctahedral shape were prepared on (100) strontium titanate substrates. We also characterized the nanocrystal arrays by atomic force microscopy, scanning electron microscopy, and synchrotron X-ray diffraction techniques.

Authors:

Komanicky, Vladimir ^[1]; Barbour, Andi ^[2]; Lackova, Miroslava ^[1]; Zorko, Milena ^[3]; Zhu, Chenhui ^[1]; Pierce, Michael ^[4]; You, Hoydoo ^[2]

Safarik Univ., Kosice (Slovakia)
Argonne National Lab. (ANL), Lemont, IL (United States). Materials Science Division
National Inst. of Chemistry, Ljublijana (Slovenia)
Rochester Inst. of Technology, NY (United States). Dept. of Physics

Publication Date:: Sat Jul 05 00:00:00 EDT 2014

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1357025

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Nanoscale Research Letters (Online)

Additional Journal Information:: Journal Name: Nanoscale Research Letters (Online); Journal Volume: 9; Journal Issue: 1; Journal ID: ISSN 1556-276X

Publisher:: Springer

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; colloidal lithography; platinum nanoparticles; particle shape control

Citation Formats


                    Komanicky, Vladimir, Barbour, Andi, Lackova, Miroslava, Zorko, Milena, Zhu, Chenhui, Pierce, Michael, and You, Hoydoo. Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography.  United States: N. p., 2014. 
Web.  doi:10.1186/1556-276X-9-336.

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                    Komanicky, Vladimir, Barbour, Andi, Lackova, Miroslava, Zorko, Milena, Zhu, Chenhui, Pierce, Michael, & You, Hoydoo. Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography.  United States.  https://doi.org/10.1186/1556-276X-9-336

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                    Komanicky, Vladimir, Barbour, Andi, Lackova, Miroslava, Zorko, Milena, Zhu, Chenhui, Pierce, Michael, and You, Hoydoo. Sat .  
"Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography".  United States.  https://doi.org/10.1186/1556-276X-9-336.  https://www.osti.gov/servlets/purl/1357025.

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@article{osti_1357025,

  title        = {Growth of arrays of oriented epitaxial platinum nanoparticles with controlled size and shape by natural colloidal lithography},

  author       = {Komanicky, Vladimir and Barbour, Andi and Lackova, Miroslava and Zorko, Milena and Zhu, Chenhui and Pierce, Michael and You, Hoydoo},

  abstractNote = {Here, we developed a method for production of arrays of platinum nanocrystals of controlled size and shape using templates from ordered silica bead monolayers. Silica beads with nominal sizes of 150 and 450 nm were self-assembl into monolayers over strontium titanate single crystal substrates. The monolayers were used as shadow masks for platinum metal deposition on the substrate using the three-step evaporation technique. Produced arrays of epitaxial platinum islands were transformed into nanocrystals by annealing in a quartz tube in nitrogen flow. The shape of particles is determined by the substrate crystallography, while the size of the particles and their spacing are controlled by the size of the silica beads in the mono- layer mask. As a proof of concept, arrays of platinum nanocrystals of cubooctahedral shape were prepared on (100) strontium titanate substrates. We also characterized the nanocrystal arrays by atomic force microscopy, scanning electron microscopy, and synchrotron X-ray diffraction techniques.},

  doi          = {10.1186/1556-276X-9-336},

  journal      = {Nanoscale Research Letters (Online)},

  number       = 1,

  volume       = 9,

  place        = {United States},

  year         = {Sat Jul 05 00:00:00 EDT 2014},

  month        = {Sat Jul 05 00:00:00 EDT 2014}

}

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