أعرض تسجيلة المادة بشكل مبسط
| dc.creator |
Marletta A. |
|
| dc.creator |
Guimarães F. E. G. |
|
| dc.creator |
Faria R. M. |
|
| dc.date |
2002 |
|
| dc.date.accessioned |
2013-06-01T09:24:22Z |
|
| dc.date.available |
2013-06-01T09:24:22Z |
|
| dc.date.issued |
2013-06-01 |
|
| dc.identifier |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000300018 |
|
| dc.identifier |
http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2002&volume=32&issue=2b&spage=570 |
|
| dc.identifier.uri |
http://koha.mediu.edu.my:8181/jspui/handle/123456789/7805 |
|
| dc.description |
The influence of electron-phonon coupling in the emission spectra of self-assembly (SA) films of poly(p-phenylene vinylene) (PPV) is discussed. PPV is an important polymeric system because it exhibits strong luminescence effect. A semi-empirical model was used to analyze the photoluminescence spectra of PPV. This model assumes that defects along the molecule give rise to a distribution of conjugated segments of different lengths. In addition, it was considered that electronic transition was essentially coupled with three effective phonon modes with correspondent energies at 62, -139 and 192 meV, which were observed experimentally. |
|
| dc.publisher |
Sociedade Brasileira de Física |
|
| dc.source |
Brazilian Journal of Physics |
|
| dc.title |
Line shape of emission spectra of the luminescent polymer poly(p-phenylene vinylene) |
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أعرض تسجيلة المادة بشكل مبسط