Aerosol Research
Aerosol Research
Aerosol Research
Articles | Volume 3, issue 2
Articles | Volume 3, issue 2
https://doi.org/10.5194/ar-3-351-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ar-3-351-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 2
Research article
 | 
02 Jul 2025
Research article |  | 02 Jul 2025

Spark ablation metal nanoparticles and coating on TiO2 in the aerosol phase

Benjamin Gfeller, Mariia Becker, Adrian D. Aebi, Nicolas Bukowiecki, Marcus Wyss, and Markus Kalberer

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Short summary
Metal nanoparticles (Au, Pt, Cu and Ni) were generated in the aerosol phase using spark ablation and analysed for size, shape and number concentration. Particles as small as 1 nm and up to > 60 nm show shapes from fully spherical to fractal-like as characterized by electron microscopy. Furthermore, the metal particles were mixed with TiO2 nanoparticles, and the number and size of metal particles coating the TiO2 were determined.
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