Photophysical and nonlinear optical properties of zincphthalocyanines with peripheral substitutions
| dc.contributor.author | Manaa, H | |
| dc.contributor.author | Tuhl, A | |
| dc.contributor.author | Samuel, J | |
| dc.contributor.author | AL-Mulla, A | |
| dc.contributor.author | AL-Awadi, N A | |
| dc.contributor.author | Makhseed, S | |
| dc.date.accessioned | 2012-05-29T09:24:52Z | |
| dc.date.available | 2012-05-29T09:24:52Z | |
| dc.date.issued | 2011-01 | |
| dc.description | Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations) | en |
| dc.description.abstract | Photophysical and nonlinear optical properties of zinc phthalocyanines (ZnPc) bearing peripheral phenoxy substituents containing different functionalized groups were studied. Fluorescence spectra corresponding to the optical transition S1 → S0 are found to be appeared at 684 or 686.4 nm. Z-scan technique reveals large nonlinearities, where the absorptive and refractive effects are separately evaluated. Saturation absorption of ZnPc-1 was observed at 632.8 nm, with a very large nonlinear absorption coefficient β = -1.36 × 10-2 cm/W. However a strong nonlinear refractive effect was found in all ZnPcs (1-4). Transmitted versus incident irradiance measurements carried out on ZnPc-1 and ZnPc-2, showed a very clear optical limiting behavior with irradiance thresholds around be 44 W/cm2 and 90 W/cm2 respectively. | en |
| dc.identifier.citation | Optics Communications, 2011, Vol.284, p450 | en |
| dc.identifier.issn | 0030-4018 | |
| dc.identifier.uri | http://hdl.handle.net/2289/4548 | |
| dc.language.iso | en | en |
| dc.publisher | Elsevier | en |
| dc.relation.uri | http://dx.doi.org/ 10.1016/j.optcom.2010.09.018 | en |
| dc.relation.uri | http://adsabs.harvard.edu/abs/2011OptCo.284..450M | en |
| dc.rights | 2011, Elsevier | en |
| dc.title | Photophysical and nonlinear optical properties of zincphthalocyanines with peripheral substitutions | en |
| dc.type | Article | en |