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Journal of Nanoparticle Research

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01.10.2011 | Research Paper

Photosensitization of multiwalled carbon nanotube scaffolds with ZnO quantum dots for photovoltaic applications

verfasst von: M. Dutta, D. Basak

Erschienen in: Journal of Nanoparticle Research | Ausgabe 10/2011

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Abstract

In this article, we have decorated multiwalled carbon nanotubes (MWCNTs) scaffold with ZnO quantum dots (QDs, size in the range of 2.9–4.5 nm) and investigated their prospects for photovoltaic applications. ZnO QDs, in the present study, work as photosensitizer instead of electron transporting media as used in recent conventional strategic solar cells. ZnO QDs/MWCNTs composite shows an increased visible absorbance and quenching of the broad visible emission at around ~560 nm, while only ZnO QDs exhibit a strong visible emission. An efficient electron–hole separation facilitates an increase in the short-circuit current. These results show a possibility of developing a nontoxic, ZnO QDs sensitized MWCNTs composite-based photovoltaic solar cell.

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Titel: Photosensitization of multiwalled carbon nanotube scaffolds with ZnO quantum dots for photovoltaic applications
verfasst von: M. Dutta
D. Basak
Publikationsdatum: 01.10.2011
Verlag: Springer Netherlands
Erschienen in: Journal of Nanoparticle Research / Ausgabe 10/2011
Print ISSN: 1388-0764
Elektronische ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-011-0517-6

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