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Design of CdS Quantum Dots / Multi-Walled Carbon Nanotubes Hybrid Structures for Photovoltaic Applications

Published online by Cambridge University Press:  07 July 2011

Fayna Mammeri
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Andrea Ballarin
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France. Dipartimento di Ingegneria Meccanica, Università degli Studi di Padova, Via Marzolo 9, I-35131 Padova, Italy.
Marion Giraud
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Lydie Vivet
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Frederic Herbst
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Carole Connan
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Mohamed M. Chehimi
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
Giovanna Brusatin
Affiliation:
Dipartimento di Ingegneria Meccanica, Università degli Studi di Padova, Via Marzolo 9, I-35131 Padova, Italy.
Souad Ammar
Affiliation:
ITODYS, Univ Paris-Diderot, Sorbonne Paris Cité, UMR 7086 CNRS, Bâtiment Lavoisier, 15 rue Jean-Antoine de Baïf, F-75013 Paris, France.
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Abstract

This paper presents the preparation of multi-walled carbone nanotubes (CNTs) and CdS nanoparticles based hybrid materials. We aim at comparing two kinds of CNTs’ functionalization by thiol groups in order to demonstrate that the surface chemistry done on the CNTs can direct the morphology of the nanohybrids. Indeed, strong oxidation of CNTs leads to shorter nanotubes opened at their ends, allowing the grafting of mercaptotriethoxysilane whereas the generation of diazonium salts in presence of pristine nanotubes should lead to the functionalization of the whole lateral surface of the nanotubes. CdS nanoparticles can then be anchored to thiol groups, leading to interesting hybrid precursors for photovoltaic applications.

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Copyright
Copyright © Materials Research Society 2011

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References

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Design of CdS Quantum Dots / Multi-Walled Carbon Nanotubes Hybrid Structures for Photovoltaic Applications
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