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Layered Graphene/Quantum Dots for Photovoltaic Devices

Authors

  • Chun Xian Guo,

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • Hong Bin Yang Dr.,

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • Zhao Min Sheng Dr.,

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • Zhi Song Lu,

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • Qun Liang Song Dr.,

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • Chang Ming Li Prof.

    1. School of Chemical and Biomedical Engineering & Center for Advanced Bionanosystems, Nanyang Technological University, Singapore 637 457 (Singapore), Fax: (+65) 6791-1761
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  • We gratefully acknowledge the financial support of the Center for Advanced Bionanosystems, Nanyang Technological University.

Abstract

original image

Ganz einfach lassen sich Filme aus Graphen- und Quantenpunkt(QD)-Schichten aus wässrigen Lösungen auf transparenten leitfähigen Indiumzinnoxid(ITO)-Substraten aufbringen. Graphen eignet sich dank seiner Struktur und günstigen Austrittsarbeit gut für die Sammlung und Übertragung durch Licht erzeugter Ladungen auf die Elektrode; als Resultat erhält man ein hocheffizientes Photovoltaikelement (siehe Bild; IPCE=Photostromeffizienz, SWNT=einwandige Kohlenstoffnanoröhre).

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