They are created through irradiation and provide breakthroughs in several key areas.  These nanoparticles could change our world

The authors of the experiments conducted in this regard used the ion irradiation method, thanks to which they were able to control the size, composition and various properties of the resulting nanoparticles. We can read about the details of this research in the publication published here Energy and environmental sciences.

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As Bilgi Yildiz, who led the effort, explains, the progress has led to significant advances in areas including the design of fuel cells used to generate electricity and the production of hydrogen raw materials that will later be used in the chemical industry.

Fuel cells and electrolysis cells use electrochemical reactions that occur at the cathode and anode electrically separated. The reactions that occur in both parts go in the opposite direction. Catalysts that make reactions occur faster have so far been produced, for example, from metal oxide materials. Unfortunately, they have low durability, and even if such complications could be avoided, there is no way to control the properties of nanoparticles.

Nanoparticles created using ion irradiation can be controlled in terms of their properties

The aforementioned ion irradiation was the key to success. In the course of the experiments, its authors noted that directing an ion beam towards the electrode at the moment when metal nanoparticles dissolved on the surface of the electrode made it possible to control many of the properties of the resulting nanoparticles. What aspects are we talking about? Scientists list the size, composition, density, and location of these nanoparticles.

As an example, members of the research team cite a situation in which irradiation with specific elements led to a change in the structure of nanoparticles. They even managed to resize them and make them much smaller than those created using traditional methods. Yildiz adds that the method used in the experiments, i.e. irradiation, makes it possible to choose which oxide and ion will be irradiated and dissolved.

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This leads to many useful possibilities, and as if that were not enough, defects have also been observed in the electrode itself, which could ensure, for example, an increase in the density of the resulting nanoparticles. Moreover, those formed using ion irradiation had a higher catalytic activity than that measured in the case of those formed using conventional thermal melting.

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