In:
Journal of Porphyrins and Phthalocyanines, World Scientific Pub Co Pte Ltd, Vol. 13, No. 12 ( 2009-12), p. 1243-1249
Kurzfassung:
Films with alternating layers containing anionic tetracarboxylic copper phthalocyanine [ CuPc(COONa) 4 ] and cationic polydiallydimethylammonium chloride (PDDA) were fabricated by electrostatic self-assembled layer-by-layer (LBL) technique. The delicate structure of the film was characterized by a series of techniques. The third-order nonlinear optical properties of the film were measured by the Z-scan technique with laser duration of 4 ns and 21 ps at the wavelength of 532 nm. The film exhibited excellent nonlinear absorption and self-focusing effect. The second-order molecular hyperpolarizability γ value of the film was much larger than that of CuPc(COONa) 4 aqueous solution under the irradiation of whether ns or ps pulses. A series of damage experiments of the film for the intense laser pulses were conducted to prove the reliability of the experimental results under the conditions.
Materialart:
Online-Ressource
ISSN:
1088-4246
,
1099-1409
DOI:
10.1142/S1088424609001601
Sprache:
Englisch
Verlag:
World Scientific Pub Co Pte Ltd
Publikationsdatum:
2009