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Atomic layer deposition route to tailor nanoalloys of noble and non-noble metals

Ranjith Karuparambil Ramachandran UGent, Jolien Dendooven UGent, Matthias Filez UGent, Vladimir Galvita UGent, Hilde Poelman UGent, Eduardo Solano Minuesa UGent, Matthias Minjauw UGent, Kilian Devloo-Casier, Emiliano Fonda, Daniel Hermida-Merino, et al. (2016) ACS NANO. 10(9). p.8770-8777
abstract
Since their early discovery, bimetallic nanoparticles have revolutionized various fields, including nanomagnetism and optics as well as heterogeneous catalysis. Knowledge buildup in the past decades has witnessed that the nanoparticle size and composition strongly impact the nanoparticle's properties and performance. Yet, conventional synthesis strategies lack proper control over the nanoparticle morphology and composition. Recently, atomically precise synthesis of bimetallic nanoparticles has been achieved by atomic layer deposition (ALD), alleviating particle size and compositional nonuniformities. However, this bimetal ALD strategy applies to noble metals only, a small niche within the extensive class of bimetallic alloys. We report an ALD-based approach for the tailored synthesis of bimetallic nanoparticles containing both noble and non-noble metals, here exemplified for Pt-In. First, a Pt/In2O3 bilayer is deposited by ALD, yielding precisely defined Pt-In nanoparticles after high temperature H-2 reduction. The nanoparticles In content can be accurately controlled over the whole compositional range, and the particle size can be tuned from micrometers down to the nanometer scale. The size and compositional flexibility provided by this ALD-approach will trigger the fabrication of fully tailored bimetallic nanomaterials, including superior nanocatalysts.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
RAY-ABSORPTION SPECTROSCOPY, IN-SITU XAS, PROPANE DEHYDROGENATION, BIMETALLIC NANOPARTICLES, CATALYSTS, PLATINUM, REDUCTION, HYDROGEN, FILMS, ALD, bimetallic nanoparticles, nanocatalysts, platinum, indium
journal title
ACS NANO
ACS Nano
volume
10
issue
9
pages
8770 - 8777
Web of Science type
Article
Web of Science id
000384399300072
JCR category
MATERIALS SCIENCE, MULTIDISCIPLINARY
JCR impact factor
13.942 (2016)
JCR rank
9/275 (2016)
JCR quartile
1 (2016)
ISSN
1936-0851
DOI
10.1021/acsnano.6b04464
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
8510078
handle
http://hdl.handle.net/1854/LU-8510078
date created
2017-02-17 16:34:45
date last changed
2017-05-24 11:19:12
@article{8510078,
  abstract     = {Since their early discovery, bimetallic nanoparticles have revolutionized various fields, including nanomagnetism and optics as well as heterogeneous catalysis. Knowledge buildup in the past decades has witnessed that the nanoparticle size and composition strongly impact the nanoparticle's properties and performance. Yet, conventional synthesis strategies lack proper control over the nanoparticle morphology and composition. Recently, atomically precise synthesis of bimetallic nanoparticles has been achieved by atomic layer deposition (ALD), alleviating particle size and compositional nonuniformities. However, this bimetal ALD strategy applies to noble metals only, a small niche within the extensive class of bimetallic alloys. We report an ALD-based approach for the tailored synthesis of bimetallic nanoparticles containing both noble and non-noble metals, here exemplified for Pt-In. First, a Pt/In2O3 bilayer is deposited by ALD, yielding precisely defined Pt-In nanoparticles after high temperature H-2 reduction. The nanoparticles In content can be accurately controlled over the whole compositional range, and the particle size can be tuned from micrometers down to the nanometer scale. The size and compositional flexibility provided by this ALD-approach will trigger the fabrication of fully tailored bimetallic nanomaterials, including superior nanocatalysts.},
  author       = {Karuparambil Ramachandran, Ranjith and Dendooven, Jolien and Filez, Matthias and Galvita, Vladimir and Poelman, Hilde and Solano Minuesa, Eduardo and Minjauw, Matthias and Devloo-Casier, Kilian and Fonda, Emiliano and Hermida-Merino, Daniel and Bras, Wim and Marin, Guy and Detavernier, Christophe},
  issn         = {1936-0851},
  journal      = {ACS NANO},
  keyword      = {RAY-ABSORPTION SPECTROSCOPY,IN-SITU XAS,PROPANE DEHYDROGENATION,BIMETALLIC NANOPARTICLES,CATALYSTS,PLATINUM,REDUCTION,HYDROGEN,FILMS,ALD,bimetallic nanoparticles,nanocatalysts,platinum,indium},
  language     = {eng},
  number       = {9},
  pages        = {8770--8777},
  title        = {Atomic layer deposition route to tailor nanoalloys of noble and non-noble metals},
  url          = {http://dx.doi.org/10.1021/acsnano.6b04464},
  volume       = {10},
  year         = {2016},
}

Chicago
Karuparambil Ramachandran, Ranjith, Jolien Dendooven, Matthias Filez, Vladimir Galvita, Hilde Poelman, Eduardo Solano Minuesa, Matthias Minjauw, et al. 2016. “Atomic Layer Deposition Route to Tailor Nanoalloys of Noble and Non-noble Metals.” Acs Nano 10 (9): 8770–8777.
APA
Karuparambil Ramachandran, R., Dendooven, J., Filez, M., Galvita, V., Poelman, H., Solano Minuesa, E., Minjauw, M., et al. (2016). Atomic layer deposition route to tailor nanoalloys of noble and non-noble metals. ACS NANO, 10(9), 8770–8777.
Vancouver
1.
Karuparambil Ramachandran R, Dendooven J, Filez M, Galvita V, Poelman H, Solano Minuesa E, et al. Atomic layer deposition route to tailor nanoalloys of noble and non-noble metals. ACS NANO. 2016;10(9):8770–7.
MLA
Karuparambil Ramachandran, Ranjith, Jolien Dendooven, Matthias Filez, et al. “Atomic Layer Deposition Route to Tailor Nanoalloys of Noble and Non-noble Metals.” ACS NANO 10.9 (2016): 8770–8777. Print.