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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
21/12/1995 |
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Data da última atualização: |
27/10/2005 |
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Autoria: |
HENNING, A. A.; FRANCA NETO, J. de B. |
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Afiliação: |
EMBRAPA-CNPSo. Londrina, PR. |
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Título: |
Avaliacao da patogenicidade de isolados Phomopsis sojae (Leh.). |
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Ano de publicação: |
1980 |
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Fonte/Imprenta: |
In: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa de soja 1979/80. Londrina, 1980. |
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Páginas: |
p.89-91. |
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Idioma: |
Português |
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Palavras-Chave: |
Avaliacao; Brasil; Evaluation; Fungus; Parana; Pathology; Patologia; Seed; Soybean. |
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Thesagro: |
Fungo; Patogenicidade; Pesquisa; Phomopsis Sojae; Semente; Soja; Tecnologia. |
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Thesaurus Nal: |
Brazil; pathogenicity; research; technology. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00960naa a2200373 a 4500
001 1453009
005 2005-10-27
008 1980 bl uuuu u00u1 u #d
100 1 $aHENNING, A. A.
245 $aAvaliacao da patogenicidade de isolados Phomopsis sojae (Leh.).
260 $c1980
300 $ap.89-91.
650 $aBrazil
650 $apathogenicity
650 $aresearch
650 $atechnology
650 $aFungo
650 $aPatogenicidade
650 $aPesquisa
650 $aPhomopsis Sojae
650 $aSemente
650 $aSoja
650 $aTecnologia
653 $aAvaliacao
653 $aBrasil
653 $aEvaluation
653 $aFungus
653 $aParana
653 $aPathology
653 $aPatologia
653 $aSeed
653 $aSoybean
700 1 $aFRANCA NETO, J. de B.
773 $tIn: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa de soja 1979/80. Londrina, 1980.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
21/12/2023 |
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Data da última atualização: |
15/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARDENAS F., L. J.; CHIMENOS, J. M.; MORENO A., L. C.; PARIS, E. C.; JOYA, M. R. |
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Afiliação: |
Facultad de Ingeniería-Departamento de Ingeniería Mecánica y Mecatrónica, Universidad Nacional de Colombia; Departamento de Ciencia de Materiales y Química Física, Universitat de Barcelona, Barcelona, Spain; Laboratorio de aplicaciones fisicoquímicas del estado sólido AFES, Departamento de Química, Universidad Nacional de Colombia-sede Bogotá; ELAINE CRISTINA PARIS, CNPDIA; Departamento de Física, Facultad de Ciencias, Universidad Nacional de Colombia-Bogotá. |
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Título: |
Enhancing Co3O4 nanoparticles: Investigating the impact of nickel doping and high-temperature annealing on NiCo2O4/CoO heterostructures. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
AIMS Materials Science, v. 10, n. 6, 2023. |
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Páginas: |
1090 - 1104 |
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DOI: |
10.3934/matersci.2023058 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: In this study, we investigated the phase transition of cobalt spinel (Co3O4) nanoparticles into Co3−xNixO4/CoO heterostructures by introducing varying amounts of nickel (x = 0.0–0.16) and subjecting the particles to high annealing temperatures of 1000 ℃. X-ray diffraction (XRD) analysis confirmed the Co3−xNixO4CoO structure for all samples. Transmission electron microscopy (TEM) provided further insights into the phase or heterostructure of the samples after annealing, revealing the arrangement of the two phases. Fourier-transform infrared spectroscopy measurements demonstrated a band shift around 537 cm−1 with increasing Ni content, while ultraviolet-visible (UV-Vis) measurements indicated the energy band (Eg). Significant morphological changes were observed in scanning electron microscope (SEM) measurements at 0.16 Ni, displaying irregular agglomerates. Our findings suggest that introducing Ni into the Co3O4 structure and increasing the annealing temperature to 1000 ℃ can lead to the formation of a heterostructured system. Furthermore, our study’s significance is highlighted by the streamlined synthesis of NiCo2O4/CoO using the sol-gel method followed by calcination. This departure from complex techniques provides an efficient route to acquiring the NiCo2O4/CoO system, a promissory material for advancing supercapacitor research. |
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Palavras-Chave: |
Annealing temperature; Cobaltite; Heterostructure; NiCo2O4; TEM. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1160173/1/P-Enhancing-Co3O4-nanoparticles-Investigating-the-impact-of-nickel-doping.pdf
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Marc: |
LEADER 02142naa a2200253 a 4500
001 2160173
005 2024-01-15
008 2023 bl uuuu u00u1 u #d
024 7 $a10.3934/matersci.2023058$2DOI
100 1 $aCARDENAS F., L. J.
245 $aEnhancing Co3O4 nanoparticles$bInvestigating the impact of nickel doping and high-temperature annealing on NiCo2O4/CoO heterostructures.$h[electronic resource]
260 $c2023
300 $a1090 - 1104
520 $aAbstract: In this study, we investigated the phase transition of cobalt spinel (Co3O4) nanoparticles into Co3−xNixO4/CoO heterostructures by introducing varying amounts of nickel (x = 0.0–0.16) and subjecting the particles to high annealing temperatures of 1000 ℃. X-ray diffraction (XRD) analysis confirmed the Co3−xNixO4CoO structure for all samples. Transmission electron microscopy (TEM) provided further insights into the phase or heterostructure of the samples after annealing, revealing the arrangement of the two phases. Fourier-transform infrared spectroscopy measurements demonstrated a band shift around 537 cm−1 with increasing Ni content, while ultraviolet-visible (UV-Vis) measurements indicated the energy band (Eg). Significant morphological changes were observed in scanning electron microscope (SEM) measurements at 0.16 Ni, displaying irregular agglomerates. Our findings suggest that introducing Ni into the Co3O4 structure and increasing the annealing temperature to 1000 ℃ can lead to the formation of a heterostructured system. Furthermore, our study’s significance is highlighted by the streamlined synthesis of NiCo2O4/CoO using the sol-gel method followed by calcination. This departure from complex techniques provides an efficient route to acquiring the NiCo2O4/CoO system, a promissory material for advancing supercapacitor research.
653 $aAnnealing temperature
653 $aCobaltite
653 $aHeterostructure
653 $aNiCo2O4
653 $aTEM
700 1 $aCHIMENOS, J. M.
700 1 $aMORENO A., L. C.
700 1 $aPARIS, E. C.
700 1 $aJOYA, M. R.
773 $tAIMS Materials Science$gv. 10, n. 6, 2023.
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