http://www.cnr.it/ontology/cnr/individuo/prodotto/ID306671
Photoelectrochemical properties of ZnO nanorods decorated with Cu and Cu2O nanoparticles (Articolo in rivista)
- Type
- Label
- Photoelectrochemical properties of ZnO nanorods decorated with Cu and Cu2O nanoparticles (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.spmi.2014.03.013 (literal)
- Alternative label
Lakehal, Sihem; Achour, Slaymane; Ferrari, Claudio; Buffagni, Elisa; Rossi, Francesca; Fabbri, Filippo (2014)
Photoelectrochemical properties of ZnO nanorods decorated with Cu and Cu2O nanoparticles
in Superlattices and microstructures
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Lakehal, Sihem; Achour, Slaymane; Ferrari, Claudio; Buffagni, Elisa; Rossi, Francesca; Fabbri, Filippo (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Universite Constantine; IMEM-CNR Institute (literal)
- Titolo
- Photoelectrochemical properties of ZnO nanorods decorated with Cu and Cu2O nanoparticles (literal)
- Abstract
- Cu2O and Cu nanoparticles (NPs) on ZnO nanorods (NRs) were fabricated by two-step process using efficient hydrothermal technique to deposit ZnO nanorods and microwave-irradiation method under ambient conditions to prepare Cu and Cu2O NPs dispersed in Diethyleneglycole. The structure and the morphology of these films were studied by X-ray diffraction (XRD), Transmission Electron Microscopy (TEM), Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM) and Energy Dispersive X-ray (EDX). The optical property was investigated by UV-Vis absorption spectroscopy and Cathodoluminescence (CL) techniques. Cu2O NPs/ZnO NRs heterojunction were produced by depositing Cu&Cu2O NPs on as-prepared ZnO NRs using spin-coating method. By changing the drying temperature the Cu metal reduce to Cu2O. In these kinds of heterojunctions, an n-type ZnO layer acts both as a host that chemically binds to the p-type Cu2O which could help in efficient electron-hole separation. The number of Cu2O NPs loaded onto the n-type ZnO layer increases the sensitivity in the visible region. The prepared heterojunctions show improved photocurrent with respect to bare ZnO NRs. (C) 2014 Elsevier Ltd. All rights reserved. (literal)
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