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The effect of a gas atmosphere on the formation of colloidal platinum nanoparticles in liquid phase synthesis
This article demonstrates how purging the reaction medium with argon, oxygen, or CO during the liquid-phase synthesis affects the transformation dynamics of the Pt(IV) into Pt(0) x as well as the morphology of the Pt/C obtained. The reaction media studied are typical for the polyol and formic acid s...
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| Published in: | Colloid and polymer science 2023-05, Vol.301 (5), p.433-443 |
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| Main Authors: | , , , |
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| Language: | English |
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| container_end_page | 443 |
| container_issue | 5 |
| container_start_page | 433 |
| container_title | Colloid and polymer science |
| container_volume | 301 |
| creator | Danilenko, M. V. Guterman, V. E. Novomlinskiy, I. N. Pankov, I. V. |
| description | This article demonstrates how purging the reaction medium with argon, oxygen, or CO during the liquid-phase synthesis affects the transformation dynamics of the Pt(IV) into Pt(0)
x
as well as the morphology of the Pt/C obtained. The reaction media studied are typical for the polyol and formic acid synthesis methods. The real-time monitoring of the Pt(0)
x
formation in these systems has been studied by the potentiometric and colorimetric measurements. The nature of a gas has been shown to affect the size of the small Pt particles formed as well as their different spatial distribution over the carbon support surface. Therefore, a gas is supposed to provide an additional control over both the formation of colloidal Pt and the microstructure of the Pt/C obtained. Moreover, this study illustrates a novel approach to using a platinum indicator electrode for the estimation of the reaction system’s redox state during the synthesis of Pt nanoparticles.
Graphical Abstract |
| doi_str_mv | 10.1007/s00396-023-05077-2 |
| format | article |
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x
as well as the morphology of the Pt/C obtained. The reaction media studied are typical for the polyol and formic acid synthesis methods. The real-time monitoring of the Pt(0)
x
formation in these systems has been studied by the potentiometric and colorimetric measurements. The nature of a gas has been shown to affect the size of the small Pt particles formed as well as their different spatial distribution over the carbon support surface. Therefore, a gas is supposed to provide an additional control over both the formation of colloidal Pt and the microstructure of the Pt/C obtained. Moreover, this study illustrates a novel approach to using a platinum indicator electrode for the estimation of the reaction system’s redox state during the synthesis of Pt nanoparticles.
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x
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x
formation in these systems has been studied by the potentiometric and colorimetric measurements. The nature of a gas has been shown to affect the size of the small Pt particles formed as well as their different spatial distribution over the carbon support surface. Therefore, a gas is supposed to provide an additional control over both the formation of colloidal Pt and the microstructure of the Pt/C obtained. Moreover, this study illustrates a novel approach to using a platinum indicator electrode for the estimation of the reaction system’s redox state during the synthesis of Pt nanoparticles.
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x
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x
formation in these systems has been studied by the potentiometric and colorimetric measurements. The nature of a gas has been shown to affect the size of the small Pt particles formed as well as their different spatial distribution over the carbon support surface. Therefore, a gas is supposed to provide an additional control over both the formation of colloidal Pt and the microstructure of the Pt/C obtained. Moreover, this study illustrates a novel approach to using a platinum indicator electrode for the estimation of the reaction system’s redox state during the synthesis of Pt nanoparticles.
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| language | eng |
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| source | Springer Nature |
| subjects | Acids Argon Carbon Characterization and Evaluation of Materials Chemistry Chemistry and Materials Science Complex Fluids and Microfluidics Food Science Formic acid Gases Liquid phases Methods Morphology Nanomaterials Nanoparticles Nanotechnology and Microengineering Original Contribution Physical Chemistry Platinum Polymer Sciences Soft and Granular Matter Spatial distribution Synthesis |
| title | The effect of a gas atmosphere on the formation of colloidal platinum nanoparticles in liquid phase synthesis |
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