Nanodraadjes maken zonnecellen efficiënter

AMSTERDAM – Met behulp van een nanodraadje kan een zonnecel vijftien keer efficiënter worden.

Een afbeelding van een zonnecelDat melden wetenschappers van het Niels Bohr Institut in Denemarken en het Zwitserse Ecole Polytechnique Fédérale de Lausanne in het blad Nature Phonotics.

Door de bijzondere kenmerken van het kristal galliumarsenide in nanodraadjes-vorm kan de zonlichtintensiviteit veel groter worden.


De nanodraadjes kunnen zonnestralen in een heel klein deel van het kristal concentreren. Doordat de diameter kleiner is dan de golflengte van het zonlicht, kunnen resonanties ontstaan.

Door een soort ‘meetrillen’ wordt de intensiteit van het licht in en rond de nanodraadjes groter. De wetenschappers denken dat de resultaten van de nanodraadjes de weg uitstippelen naar de derde generatie zonnecellen. 

Lees hier het complete artikel van de wetenschappers

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Foto copyright: Rogilbert

13 gedachten over “Nanodraadjes maken zonnecellen efficiënter

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  • 27 maart 2019 om 23:11

    Christina was born in the royal castle Tre Kronor on 18 December S. 8 December] 1626. Her parents were the Swedish king Gustavus Adolphus and his German wife, Maria Eleonora, had already had two daughters—a stillborn princess in 1620, and then the first Princess Christina, who was born in 1623 and died the following year.3] Excited expectation surrounded Maria Eleonora’s third pregnancy in 1626. When the baby was born, it was first thought to be a boy as it was “hairy” and screamed “with a strong, hoarse voice.”she later wrote in her autobiography that, “Deep embarrassment spread among the women when they discovered their mistake.” The king, though, was very happy, stating, “She’ll be clever, she has made fools of us all!”6] From most accounts, Gustav Adolf appears to have been closely attached to his daughter, and she appears to have admired him greatly.

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