White and UV emission from swift ion irradiation modified zinc oxide-porous silicon nanocomposite through cathodoluminescence spectroscopy

Modifications in the optical properties of the porous silicon (PS) nanocomposites with zinc oxide after the swift ion irradiation with Nickel ion of 130 MeV are reported. For the first time the PS/ZnO optical properties were studied with cathodoluminescence and the evolution of white PL along with U...

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Detalhes bibliográficos
Autor: SION FEDERICO OLIVE MENDEZ
Formato: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2012
País:México
Recursos:Centro de Investigación en Materiales Avanzados
Repositorio:Fuente de Objetos Científicos Open Access del CIMAV
Idioma:inglés
OAI Identifier:oai:cimav.repositorioinstitucional.mx:1004/2223
Acesso em linha:http://cimav.repositorioinstitucional.mx/jspui/handle/1004/2223
Access Level:acceso abierto
Palavra-chave:info:eu-repo/classification/UV/PS/ZnO
info:eu-repo/classification/cti/2
info:eu-repo/classification/cti/23
info:eu-repo/classification/cti/2399
info:eu-repo/classification/cti/239999
Descrição
Resumo:Modifications in the optical properties of the porous silicon (PS) nanocomposites with zinc oxide after the swift ion irradiation with Nickel ion of 130 MeV are reported. For the first time the PS/ZnO optical properties were studied with cathodoluminescence and the evolution of white PL along with UV emission is being reported after irradiation. The white light emission has been explained with the help of an increase in the deep level defects in the zinc oxide layer after irradiation.