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Katalyse mit Ecken und Kanten | Chemikalien.de
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Katalyse mit Ecken und Kanten

August 13, 2002 by admin 

Wissenschaftler des Fritz-Haber-Instituts zeigen, wie der Verlauf chemischer Reaktionen durch die Feinstruktur mikroskopischer Katalysatorteilchen bestimmt wird Viele chemische Reaktionen lassen sich durch Katalysatoren in die gewünschte Richtung lenken. Doch wie diese Steuerung im Detail funktioniert, ist in den meisten Fällen ungeklärt. Jetzt ist Forschern am Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin der Nachweis gelungen, wie eine solche katalytische Kontrolle eines chemischen Prozesses auf atomarer Ebene vor sich geht (Angewandte Chemie, 15. Juli 2002). Hierzu setzten die Forscher neuartige Molekularstrahltechniken zur genauen Messung von Reaktionsgeschwindigkeiten ein. Das erstmalige mikroskopische Verständnis der Aktivität kleiner Katalysatorteilchen weist auch den Weg zur Optimierung von Katalysatoren im komplexen industriellen Einsatz.


Weitere Informationen finden Sie im WWW:

http://www.mpg.de/pri02/pri0280.htm

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