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http://inaoe.repositorioinstitucional.mx/jspui/handle/1009/1213| Effect of co-sensitization in new hybrid photo-refractive materials based on PVK polymer matrix and inorganic LiNbO₃ nano-crystals | |
| SVETLANA MANSUROVA SERGUEYEVNA | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| A new class of photo-refractive (PR) composite materials based on poly(N-vinylcarbazole) (PVK) (co-) sensitized with nano-crystalline lithium niobate (LiNbO₃) is presented. The steady-state performance, as well as the kinetics of the photo-refractive grating formation, was investigated by degenerate four-wave mixing (DFWM) and twobeam-coupling (TBC) experiments. We found an optimum content of LiNbO₃ nano-particles of only 10⁻³ wt.%. Even at concentrations as low as 10⁻⁷ wt.% a notable effect of the nano-crystals was detected. This yields materials with improved PR performance compared to that of the standard PR polymer material sensitized by TNF only. The role of LiNbO₃ nano-particles is discussed in detail: The particles support generation and transport of the free-charge carriers. Furthermore, they increase the electron trap density. | |
| Applied Physics B | |
| 2009-06 | |
| Artículo | |
| Inglés | |
| Estudiantes Investigadores Público en general | |
| Sliwinska, E., et al., (2009). Effect of co-sensitization in new hybrid photo-refractive materials based on PVK polymer matrix and inorganic LiNbO₃ nano-crystals, Applied Physics B. Vol.95(3):519–524 | |
| OPTICA FÍSICA | |
| Versión aceptada | |
| acceptedVersion - Versión aceptada | |
| Aparece en las colecciones: | Artículos de Óptica |
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