Near-infrared emission of Nd-PSS films
We report a study of a new chemical synthetic route of polystyrene sulphonate (PSS) films doped with neodymium ion (Nd+3) from a neodymium nitrate solution. The UV-Vis-NIR spectrum presents an intense characteristic electronic transition at 800 nm and the infrared spectrum presents low definition ba...
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| Veröffentlicht in: | Brazilian journal of physics 2006-06, Vol.36 (2a), p.499-500 |
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| container_issue | 2a |
| container_start_page | 499 |
| container_title | Brazilian journal of physics |
| container_volume | 36 |
| creator | Silva, Marcelo C. Cristovan, Fernando H. Ruggiero, Reinaldo Cruz, W. O. Marletta, A. |
| description | We report a study of a new chemical synthetic route of polystyrene sulphonate (PSS) films doped with neodymium ion (Nd+3) from a neodymium nitrate solution. The UV-Vis-NIR spectrum presents an intense characteristic electronic transition at 800 nm and the infrared spectrum presents low definition bands as a result of Nd3+ coordination with PSS molecule. Additionally, the spectrum of Nd-PSS film presents the same line shape profile of Nd3+ salt in aqueous solution. Selective luminescence spectroscopy measures shows that the incorporation of neodymium ion introduces a red shift bands and a better line shape definition in UV luminescence compared to PSS film, decreasing the interaction between PSS aromatic groups. The near-infrared emission was observed in the large spectrum region from 600 to 800 nm; it is associated with the Nd3+ complex of PSS monomer. |
| doi_str_mv | 10.1590/S0103-97332006000300071 |
| format | Article |
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| language | eng |
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| subjects | PHYSICS, MULTIDISCIPLINARY |
| title | Near-infrared emission of Nd-PSS films |
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