CdTe nano-structures for photovoltaic devices

Detalhes bibliográficos
Autor(a) principal: Corregidor, V.
Data de Publicação: 2013
Outros Autores: Alves, L. C., Franco, N., Barreiros, M. Alexandra, Sochinskii, N. V., Alves, E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.9/1681
Resumo: CdTe nano-structures with diameter of ∼100 nm and variable length (200–600 nm) were fabricated on glass substrates covered with conductive buffer layers such as NiCr, ZAO (ZnO:Al2O3 + Ta2O5) or TiPd alloys. The fabrication process consisted of the starting vapour deposition of metal catalyst dropped layer followed by the isothermal catalyst-prompted vapour growth of CdTe nano-structured layer of controllable shape and surface filling. The effect of buffer layers on the crystallographic orientation and thickness of CdTe nano-structured layers is investigated by means of IBA techniques, SEM and X-ray diffraction. It was shown that the formed CdTe nano-layers have a cubic structure, mainly oriented towards the [1 1 1] crystallographic direction, except for those grown on ZAO layer where the X-ray diffraction signal is very weak to be associated to any crystallographic form. The RBS spectra recorded on different areas of each sample type showed an almost constant thickness and SEM images revealed an homogeneous and dense distribution of the structures. It was also possible to study the first stage of the nano-structures grown on the Bi2Te3 seeds.
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spelling CdTe nano-structures for photovoltaic devicesCdTe nanostrucutresIBA techniquesVapour crystal growthSemiconductor Cd compoundsCdTe nano-structures with diameter of ∼100 nm and variable length (200–600 nm) were fabricated on glass substrates covered with conductive buffer layers such as NiCr, ZAO (ZnO:Al2O3 + Ta2O5) or TiPd alloys. The fabrication process consisted of the starting vapour deposition of metal catalyst dropped layer followed by the isothermal catalyst-prompted vapour growth of CdTe nano-structured layer of controllable shape and surface filling. The effect of buffer layers on the crystallographic orientation and thickness of CdTe nano-structured layers is investigated by means of IBA techniques, SEM and X-ray diffraction. It was shown that the formed CdTe nano-layers have a cubic structure, mainly oriented towards the [1 1 1] crystallographic direction, except for those grown on ZAO layer where the X-ray diffraction signal is very weak to be associated to any crystallographic form. The RBS spectra recorded on different areas of each sample type showed an almost constant thickness and SEM images revealed an homogeneous and dense distribution of the structures. It was also possible to study the first stage of the nano-structures grown on the Bi2Te3 seeds.ElsevierRepositório do LNEGCorregidor, V.Alves, L. C.Franco, N.Barreiros, M. AlexandraSochinskii, N. V.Alves, E.2013-03-06T14:54:35Z2013-01-01T00:00:00Z2013-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.9/1681engCorregidor, V.; Alves, L.C.; Franco, N.; Barreiros, M.A.; Sochinskii, N.V.; Alves, E. CdTe nano-structures for photovoltaic devices. In: Nuclear Instruments and Methods in Physics Research Section B, 2013, Vol. 306, p. 218-2210168-583Xinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2022-09-06T12:26:16Zoai:repositorio.lneg.pt:10400.9/1681Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T15:34:27.571570Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv CdTe nano-structures for photovoltaic devices
title CdTe nano-structures for photovoltaic devices
spellingShingle CdTe nano-structures for photovoltaic devices
Corregidor, V.
CdTe nanostrucutres
IBA techniques
Vapour crystal growth
Semiconductor Cd compounds
title_short CdTe nano-structures for photovoltaic devices
title_full CdTe nano-structures for photovoltaic devices
title_fullStr CdTe nano-structures for photovoltaic devices
title_full_unstemmed CdTe nano-structures for photovoltaic devices
title_sort CdTe nano-structures for photovoltaic devices
author Corregidor, V.
author_facet Corregidor, V.
Alves, L. C.
Franco, N.
Barreiros, M. Alexandra
Sochinskii, N. V.
Alves, E.
author_role author
author2 Alves, L. C.
Franco, N.
Barreiros, M. Alexandra
Sochinskii, N. V.
Alves, E.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório do LNEG
dc.contributor.author.fl_str_mv Corregidor, V.
Alves, L. C.
Franco, N.
Barreiros, M. Alexandra
Sochinskii, N. V.
Alves, E.
dc.subject.por.fl_str_mv CdTe nanostrucutres
IBA techniques
Vapour crystal growth
Semiconductor Cd compounds
topic CdTe nanostrucutres
IBA techniques
Vapour crystal growth
Semiconductor Cd compounds
description CdTe nano-structures with diameter of ∼100 nm and variable length (200–600 nm) were fabricated on glass substrates covered with conductive buffer layers such as NiCr, ZAO (ZnO:Al2O3 + Ta2O5) or TiPd alloys. The fabrication process consisted of the starting vapour deposition of metal catalyst dropped layer followed by the isothermal catalyst-prompted vapour growth of CdTe nano-structured layer of controllable shape and surface filling. The effect of buffer layers on the crystallographic orientation and thickness of CdTe nano-structured layers is investigated by means of IBA techniques, SEM and X-ray diffraction. It was shown that the formed CdTe nano-layers have a cubic structure, mainly oriented towards the [1 1 1] crystallographic direction, except for those grown on ZAO layer where the X-ray diffraction signal is very weak to be associated to any crystallographic form. The RBS spectra recorded on different areas of each sample type showed an almost constant thickness and SEM images revealed an homogeneous and dense distribution of the structures. It was also possible to study the first stage of the nano-structures grown on the Bi2Te3 seeds.
publishDate 2013
dc.date.none.fl_str_mv 2013-03-06T14:54:35Z
2013-01-01T00:00:00Z
2013-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.9/1681
url http://hdl.handle.net/10400.9/1681
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Corregidor, V.; Alves, L.C.; Franco, N.; Barreiros, M.A.; Sochinskii, N.V.; Alves, E. CdTe nano-structures for photovoltaic devices. In: Nuclear Instruments and Methods in Physics Research Section B, 2013, Vol. 306, p. 218-221
0168-583X
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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