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EnglishA precursor SiBOC glass was annealed at 1400 ◦C for 1, 3, 5 and 10 h and then it was HF etched in order to dissolve the SiO2/B2O3 phase and to obtain a porous C-rich oxycarbide glass. The porous material was studied by N2 absorption. The pore diameter of the porous C-rich SiBOC glass ranges between 2 and 5 nm and continuously increases with increasing annealing time. The pore volume also increases with the annealing time up to ≈1.0 cm3/g which is close to the pore volume estimated from the chemical composition (1.04 cm3/g) assuming complete dissolution of the silica-based phase. © 2011 Elsevier Ltd. All rights reserved.
The effect of annealing at 1400°C on the structural evolution of porous C-rich silicon (boron)oxycarbide glass / Sorarù, Gian Domenico; R., Pena Alonso; H. J., Kleebe. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - STAMPA. - 2012, vol.32:8(2012), pp. 1751-1757.
| Titolo: | The effect of annealing at 1400°C on the structural evolution of porous C-rich silicon (boron)oxycarbide glass | |
| Autori: | Sorarù, Gian Domenico; R., Pena Alonso; H. J., Kleebe | |
| Autori Unitn: | ||
| Titolo del periodico: | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | |
| Anno di pubblicazione: | 2012 | |
| Numero e parte del fascicolo: | 8 | |
| Codice identificativo Scopus: | 2-s2.0-84858706728 | |
| Codice identificativo ISI: | WOS:000303279600030 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.jeurceramsoc.2011.12.018 | |
| Handle: | http://hdl.handle.net/11572/90486 | |
| Citazione: | The effect of annealing at 1400°C on the structural evolution of porous C-rich silicon (boron)oxycarbide glass / Sorarù, Gian Domenico; R., Pena Alonso; H. J., Kleebe. - In: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. - ISSN 0955-2219. - STAMPA. - 2012, vol.32:8(2012), pp. 1751-1757. | |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| 160-jecs-porous SiBOC.pdf | Articolo completo | Versione editoriale (Publisher’s layout) | Tutti i diritti riservati (All rights reserved) | Administrator |
http://hdl.handle.net/11572/90486
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