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EnglishHerein we present a process for the in-situ growth of CdS nanoparticles using a pulsed laser irradiation. A Nd-YAG laser was applied to ZnO nanorods previously submerged in an aqueous precursor solution containing cadmium chloride and thiourea. For optimum values of the laser fluence, around 40 mJ/cm2 it was possible to fabricate a highly homogeneous film of CdS nanoparticles covering the ZnO nanorods surface. Cathodoluminescence measurements of the ZnO/CdS structure show the quenching of the ZnO yellow and green luminescence, indicating the ZnO surface defects passivation by CdS nanostructures. Although lasers have been already used for inducing growth in solution, this work presents new evidence of in-situ growth on the surface of nanostructured materials. The laser based technique presented is simple, easy to implement, scalable and it could be applied in the fabrication of nanostructured solar cells and other devices.
In-situ pulsed laser induced growth of CdS nanoparticles on ZnO nanorods surfaces / Rodriguez-Martinez, Y.; Alba-Cabanas, J.; Cruzata, O.; Bianco, S.; Tresso, E.; Rossi, F.; Vaillant-Roca, L.. - In: MATERIALS RESEARCH BULLETIN. - ISSN 0025-5408. - 125(2020), p. 110790. [10.1016/j.materresbull.2020.110790]
| Titolo: | In-situ pulsed laser induced growth of CdS nanoparticles on ZnO nanorods surfaces | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | ||
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.materresbull.2020.110790 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
File in questo prodotto:
| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| Material Research Bulletin 2020.pdf | 2. Post-print / Author's Accepted Manuscript |  | Visibile a tuttiVisualizza/Apri | |
| 1-s2.0-S0025540819322391.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2836585
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