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Ob in der chemischen Industrie, im Abgaskatalysator, in neuartigen Solarzellen, oder in neuen elektronischen Bauelementen: Kleinste Nanoteilchen sorgen mit ganz besonderen Eigenschaften dafür, dass moderne Produktions- und Umwelttechnologien effizient und ressourcenschonend funktionieren. Häufig erhalten diese Nanopartikel ihre besonderen Eigenschaften durch eine chemische Wechselwirkung mit der Unterlage, auf der sie aufgebracht sind.
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Whether it is in catalytic processes in the chemical industry, environmental catalysis, new types of solar cells or new electronic components, nanoparticles are everywhere in modern production and environmental technologies, where their unique properties ensure efficiency and save resources. The special properties of nanoparticles often arise from a chemical interaction with the support material that they are placed on. Such interactions often change the electronic structure of the nanoparticle because electrical charge is exchanged between the particle and the support. Working groups led by FAU and the University of Barcelona have now succeeded in counting the number of elementary charges that are lost by a platinum nanoparticle when it is placed onto a typical oxide support. Their work brings the possibility of developing tailor-made nanoparticles a step closer (doi: 10.1038/nmat4500).
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