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Laser-Assisted Synthesis and Oxygen Generation of Nickel Nanoparticles

Abstract

Nowadays, more than ever, environmental awareness is being taken into account when it comes to the design of novel materials. Herein, the pathway to the creation of a colloid of spherical, almost purely metallic nickel nanoparticles (NPs) through pulsed laser ablation in ethanol is presented. A complex description of the colloid is provided through UV-vis spectroscopy and dynamic light scattering analysis, ensuring insight into laser-induced nanoparticle homogenization and size-control of the NPs. The transmission electron spectroscopy revealed spherical nanoparticles with a narrow size distribution, whereas the energy-dispersive X-ray spectroscopy accompanied by the X-ray photoelectron spectroscopy revealed their metallic nature. Furthermore, an example of the application of the colloidal nanoparticles is presented, where a quick, five-min ultrasound modification results in over an order of magnitude higher current densities in the titania-based electrode for the oxygen evolution reaction.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
Materials no. 13,
ISSN: 1996-1944
Language:
English
Publication year:
2020
Bibliographic description:
Wawrzyniak J., Karczewski J., Ryl J., Grochowska K., Siuzdak K.: Laser-Assisted Synthesis and Oxygen Generation of Nickel Nanoparticles// Materials -Vol. 13,iss. 18 (2020), s.4068-
DOI:
Digital Object Identifier (open in new tab) 10.3390/ma13184068
Verified by:
Gdańsk University of Technology

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