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Registro Completo |
Biblioteca(s): |
Embrapa Instrumentação. |
Data corrente: |
14/02/2006 |
Data da última atualização: |
14/02/2006 |
Autoria: |
LEITE, F. L.; PATERNO, L. G.; BORATO, C. E.; HERRMANN, P. S. P.; OLIVEIRA JÚNIOR, O. N.; MATTOSO, L. H. C. |
Título: |
Study on the adsorption of poly(o-ethoxyaniline) nanostructured films using atomic force microscopy. |
Ano de publicação: |
0 |
Fonte/Imprenta: |
Polymer, v.46, n.26, p. 12503-12510, Dec. 2005. Disponível em www.sciencedirect.com. Acesso em: 06 de fevereiro de 2005. |
Idioma: |
Inglês |
Conteúdo: |
Nanostructured films of poly(o-ethoxyaniline) (POEA) were studied by atomic force microscopy (AFM), which indicated a globular morphology for films containing one or more layers of POEA. Conistent with the nucleation and growth model for the adsorption process, the mean roughness and fractal dimension were found to increase with the time of adsorption and with the number of POEA layers in the initial stages of adsorption, reached maximum values and then decreased after 10 min of adsorption or after deposition of five POEA layers. Such behavior has been explained in terms of the decrease in the film irregularities, with voids being filled with polymeric material leading to smoother surfaces. |
Palavras-Chave: |
AFM; POEA; Poly(o-ethoxyaniline). |
Categoria do assunto: |
-- |
Marc: |
LEADER 01389naa a2200217 a 4500 001 1029478 005 2006-02-14 008 bl --- 0-- u #d 100 1 $aLEITE, F. L. 245 $aStudy on the adsorption of poly(o-ethoxyaniline) nanostructured films using atomic force microscopy. 260 $c0 520 $aNanostructured films of poly(o-ethoxyaniline) (POEA) were studied by atomic force microscopy (AFM), which indicated a globular morphology for films containing one or more layers of POEA. Conistent with the nucleation and growth model for the adsorption process, the mean roughness and fractal dimension were found to increase with the time of adsorption and with the number of POEA layers in the initial stages of adsorption, reached maximum values and then decreased after 10 min of adsorption or after deposition of five POEA layers. Such behavior has been explained in terms of the decrease in the film irregularities, with voids being filled with polymeric material leading to smoother surfaces. 653 $aAFM 653 $aPOEA 653 $aPoly(o-ethoxyaniline) 700 1 $aPATERNO, L. G. 700 1 $aBORATO, C. E. 700 1 $aHERRMANN, P. S. P. 700 1 $aOLIVEIRA JÚNIOR, O. N. 700 1 $aMATTOSO, L. H. C. 773 $tPolymer$gv.46, n.26, p. 12503-12510, Dec. 2005. Disponível em www.sciencedirect.com. Acesso em: 06 de fevereiro de 2005.
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Embrapa Instrumentação (CNPDIA) |
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2. | | IPARRAGUIRRE, J.; LLANES, A.; MASCIARELLI, O.; ZOCOLO, G. J.; VILLASUSO, A. L.; LUNA, V. Formulation technology: Macrocystis pyrifera extract is a suitable support/medium for Azospirillum brasilense. Algal Research, [Amsterdam], v. 69, art. 102916, 8 p., Jan. 2023.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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