Detalhes bibliográficos
| Resumo: | In this work we describe the processing of poly(styrene sulphonate) films (PSS) doped with neodymium (Nd). Optical density measurements in the UV-Vis-NIR region show the typical bands observed for neodymium chloride (NdCl3) in solution. In the case of films, the intensity ratio between the peaks at 800 nm (4I9/2 -> 4F5/2 + ²H7/2) and 580 nm (4I9/2 -> 4G5/2 + ²G7/2) is equal to 0.83. Infrared spectra present an enhancement in the absorption region of aromatic rings. Site selective luminescence spectroscopy shows that the incorporation of Nd introduces a hipsochromic shift and a line shape definition in UV luminescence compared to PSS film, decreasing the interaction between aromatic groups. In addition, the film exhibits an intense radiative transition at 1061 nm (4F3/2->4I11/2), comparable to the one present in crystalline materials doped with Nd. |
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| Autores principais: | Cristovan,Fernando H. |
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| Outros Autores: | Eiras,Sebastião P.; Cruz,Welington O.; Marletta,Alexandre; Balogh,Debora T.; Laureto,Edson; Duarte,José L.; Dias,Ivan F. L. |
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| Assunto: | poly(styrene sulphonate) neodymium films |
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| Ano: | 2005 |
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| País: | Brasil |
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| Tipo de documento: | artigo |
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| Tipo de acesso: | acesso aberto |
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| Instituição associada: | IBICT |
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| Idioma: | português |
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| Origem: | Oasisbr |
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