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Lichtblick in der Optoelektronik: Diode aus 2D-Material ermöglicht optimierte Solarzellen

(PresseBox) (Wien, )
Erstmals ist es gelungen, einen speziellen Dioden-Typ aus kristallinem Material mit einer Schichtdicke von nur drei Atomen herzustellen. Die überragenden Eigenschaften solcher ultra-dünnen Kristalle eröffnen dabei ungeahnte Möglichkeiten für Solarzellen, Photodioden und Leuchtdioden. Die jetzt in Nature Nanotechnology veröffentlichte Arbeit belegt dabei nicht nur die eigentliche Funktionalität einer sogenannten p-n-Diode aus Wolframdiselenid, sondern demonstriert bereits ihre Verwendbarkeit für zahlreiche Anwendungen. Diese Ergebnisse eines Projekts des FWF stellen einen signifikanten Fortschritt auf dem zukünftigen Weg zur 2D-Optoelektronik dar.

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