Cobalt doping induced shape transformation and its effect on luminescence in zinc oxide rod-like nanostructures

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Autor(es): dc.creatorGaura, Lalit Kumar-
Autor(es): dc.creatorGairola, Preeti-
Autor(es): dc.creatorGairola, S.P.-
Autor(es): dc.creatorMathpal, Mohan Chandra-
Autor(es): dc.creatorKumar, Promod-
Autor(es): dc.creatorKumar, Sachin-
Autor(es): dc.creatorKushavah, Dushyant-
Autor(es): dc.creatorAgrahari, Vivek-
Autor(es): dc.creatorHerrera Aragón, Fermin Fidel-
Autor(es): dc.creatorSoler, Maria Aparecida Godoy-
Autor(es): dc.creatorSwart, Hendrik C.-
Data de aceite: dc.date.accessioned2024-10-23T15:24:50Z-
Data de disponibilização: dc.date.available2024-10-23T15:24:50Z-
Data de envio: dc.date.issued2021-06-23-
Data de envio: dc.date.issued2021-06-23-
Data de envio: dc.date.issued2020-
Fonte completa do material: dc.identifierhttps://repositorio.unb.br/handle/10482/41268-
Fonte completa do material: dc.identifierhttps://doi.org/10.1016/j.jallcom.2021.159189-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/882432-
Descrição: dc.descriptionThe structural and optical propertie of semiconducting oxide nanomaterials offer several possibilities for applications in photocatalytic activities, solar cells and gas sensing owing to their reduced dimensions and large surface/volume ratios as compared to their bulk counterparts. In this study, undoped and Co doped ZnO nanostructures were prepared by a chemical co-precipitation method. The XRD patterns confirmed that all the samples were crystalline with a wurtzite hexagonal phase without forming any additional phases. A drastic change in the morphology from the transformation of spherically shaped nanoparticles (NP’s) to rod-like shaped NP’s after Co doping was revealed by SEM and TEM micrographs. Raman spectra confirmed the presence of a defect associated peak in Co doped ZnO NP’s. A direct correlation of change in surface morphology after Co doping was observed with PL emission, where near band edge emission in undoped ZnO was transformed into strong blue defect emission.-
Publicador: dc.publisherElsevier B. V.-
Relação: dc.relationhttps://www.sciencedirect.com/science/article/abs/pii/S0925838821005971?via%3Dihub-
Direitos: dc.rightsAcesso Restrito-
Palavras-chave: dc.subjectNanoestruturas-
Palavras-chave: dc.subjectÓxido de zinco-
Palavras-chave: dc.subjectLuminescência-
Palavras-chave: dc.subjectPropriedades ópticas-
Palavras-chave: dc.subjectRaman, espectroscopia de-
Título: dc.titleCobalt doping induced shape transformation and its effect on luminescence in zinc oxide rod-like nanostructures-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional – UNB

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