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Optoelectronic properties of nanoporous Ge layers investigated by surface photovoltage spectroscopy (Articolo in rivista)

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Optoelectronic properties of nanoporous Ge layers investigated by surface photovoltage spectroscopy (Articolo in rivista) (literal)

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Alternative label

Cavalcoli, Daniela; Fraboni, Beatrice; Impellizzeri, Giuliana; Romano, Lucia; Scavetta, Erika; Grimaldi, Maria Grazia (2014)
Optoelectronic properties of nanoporous Ge layers investigated by surface photovoltage spectroscopy
in Microporous and mesoporous materials (Print)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Cavalcoli, Daniela; Fraboni, Beatrice; Impellizzeri, Giuliana; Romano, Lucia; Scavetta, Erika; Grimaldi, Maria Grazia (literal)

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Alma Mater Studiorum Universita di Bologna; Universita degli Studi di Catania (literal)

Titolo

Optoelectronic properties of nanoporous Ge layers investigated by surface photovoltage spectroscopy (literal)

Abstract

Optoelectronic properties of nanoporous Ge (np-Ge) have been investigated by Surface Photovoltage Spectroscopy. Electronic transitions in np-Ge have been compared with the ones obtained on crystalline and amorphous Ge, their dependence on ion implantation fluence and annealing treatment has been investigated. Np-Ge layers decorated with Au nanoparticles have been studied, and a significant photovoltage enhancement, probably related to light trapping effects, has been found. This result can be of major interest for future photovoltaic applications. © 2014 Elsevier Inc. All rights reserved. (literal)

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