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Plasma-Induced Heating Effects on Platinum Nanoparticle Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid Substrates
[Image: see text] Nanoparticle catalyst materials are becoming ever more important in a sustainable future. Specifically, platinum (Pt) nanoparticles have relevance in catalysis, in particular, fuel cell technologies. Sputter deposition into liquid substrates has been shown to produce nanoparticles...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American
Chemical Society
2021
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8397345/ https://www.ncbi.nlm.nih.gov/pubmed/34253018 http://dx.doi.org/10.1021/acs.langmuir.1c01190 |
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author | Brown, Rosemary Lönn, Björn Pfeiffer, Robin Frederiksen, Henrik Wickman, Björn |
author_facet | Brown, Rosemary Lönn, Björn Pfeiffer, Robin Frederiksen, Henrik Wickman, Björn |
author_sort | Brown, Rosemary |
collection | PubMed |
description | [Image: see text] Nanoparticle catalyst materials are becoming ever more important in a sustainable future. Specifically, platinum (Pt) nanoparticles have relevance in catalysis, in particular, fuel cell technologies. Sputter deposition into liquid substrates has been shown to produce nanoparticles without the presence of air and other contaminants and the need for precursors. Here, we produce Pt nanoparticles in three imidazolium-based ionic liquids and PEG 600. All Pt nanoparticles are crystalline and around 2 nm in diameter. We show that while temperature has an effect on particle size for Pt, it is not as great as for other materials. Sputtering power, time, and postheat treatment all show slight influence on the particle size, indicating the importance of temperature during sputtering. The temperature of the liquid substrate is measured and reaches over 150 °C during deposition which is found to increase the particle size by less than 20%, which is small compared to the effect of temperature on Au nanoparticles presented in the literature. High temperatures during Pt sputtering are beneficial for increasing Pt nanoparticle size beyond 2 nm. Better temperature control would allow for more control over the particle size in the future. |
format | Online Article Text |
id | pubmed-8397345 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | American
Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-83973452021-08-31 Plasma-Induced Heating Effects on Platinum Nanoparticle Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid Substrates Brown, Rosemary Lönn, Björn Pfeiffer, Robin Frederiksen, Henrik Wickman, Björn Langmuir [Image: see text] Nanoparticle catalyst materials are becoming ever more important in a sustainable future. Specifically, platinum (Pt) nanoparticles have relevance in catalysis, in particular, fuel cell technologies. Sputter deposition into liquid substrates has been shown to produce nanoparticles without the presence of air and other contaminants and the need for precursors. Here, we produce Pt nanoparticles in three imidazolium-based ionic liquids and PEG 600. All Pt nanoparticles are crystalline and around 2 nm in diameter. We show that while temperature has an effect on particle size for Pt, it is not as great as for other materials. Sputtering power, time, and postheat treatment all show slight influence on the particle size, indicating the importance of temperature during sputtering. The temperature of the liquid substrate is measured and reaches over 150 °C during deposition which is found to increase the particle size by less than 20%, which is small compared to the effect of temperature on Au nanoparticles presented in the literature. High temperatures during Pt sputtering are beneficial for increasing Pt nanoparticle size beyond 2 nm. Better temperature control would allow for more control over the particle size in the future. American Chemical Society 2021-07-13 2021-07-27 /pmc/articles/PMC8397345/ /pubmed/34253018 http://dx.doi.org/10.1021/acs.langmuir.1c01190 Text en © 2021 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Brown, Rosemary Lönn, Björn Pfeiffer, Robin Frederiksen, Henrik Wickman, Björn Plasma-Induced Heating Effects on Platinum Nanoparticle Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid Substrates |
title | Plasma-Induced Heating Effects on Platinum Nanoparticle
Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid
Substrates |
title_full | Plasma-Induced Heating Effects on Platinum Nanoparticle
Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid
Substrates |
title_fullStr | Plasma-Induced Heating Effects on Platinum Nanoparticle
Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid
Substrates |
title_full_unstemmed | Plasma-Induced Heating Effects on Platinum Nanoparticle
Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid
Substrates |
title_short | Plasma-Induced Heating Effects on Platinum Nanoparticle
Size During Sputter Deposition Synthesis in Polymer and Ionic Liquid
Substrates |
title_sort | plasma-induced heating effects on platinum nanoparticle
size during sputter deposition synthesis in polymer and ionic liquid
substrates |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8397345/ https://www.ncbi.nlm.nih.gov/pubmed/34253018 http://dx.doi.org/10.1021/acs.langmuir.1c01190 |
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