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EnglishStrong broad band tunable visible emission of SiBOC ceramic films is reported and the results are compared with one of boron free SiOC ceramic films. The insertion of boron into the SiOC network is verified by Fourier- Transform Infrared Spectroscopy. Optical properties are studied by photoluminescence and ultraviolet-visible spectroscopy measurements. Boron addition causes a decrease in the emission intensity attributed to defect states and shifts the emission to the visible range at lower temperatures (800–900 °C) leading to a very broad tunable emission with high external quantum efficiency.
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| Titolo: | Broad-band tunable visible emission of sol–gel derived SiBOC ceramic thin films |
| Autori Unitn: | Karakuscu, Aylin Guider, Romain Pavesi, Lorenzo Sorarù, Gian Domenico |
| Anno di pubblicazione: | 2011 |
| Titolo del periodico: | THIN SOLID FILMS |
| Abstract: | Strong broad band tunable visible emission of SiBOC ceramic films is reported and the results are compared with one of boron free SiOC ceramic films. The insertion of boron into the SiOC network is verified by Fourier- Transform Infrared Spectroscopy. Optical properties are studied by photoluminescence and ultraviolet-visible spectroscopy measurements. Boron addition causes a decrease in the emission intensity attributed to defect states and shifts the emission to the visible range at lower temperatures (800–900 °C) leading to a very broad tunable emission with high external quantum efficiency. |
| Handle: | http://hdl.handle.net/11572/88215 |
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| File | Descrizione | Dimensione | Formato | Tipologia | Licenza | |
|---|---|---|---|---|---|---|
| 154-SiBOC Films.pdf | Articolo completo | 817.96 kB | Adobe PDF | Versione editoriale | Administrator |
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