Nonlinear optical properties of multipyrrole dyes.
Chem Phys Lett
; 608: 303-307, 2014 Jul 21.
Article
em En
| MEDLINE
| ID: mdl-25242819
ABSTRACT
The nonlinear optical properties of a series of pyrrolic compounds consisting of BODIPY and aza-BODIPY systems are investigated using 532 nm nanosecond laser and the Z-scan technique. Results show that 3,5-distyryl extension of BODIPY to the red shifted MeO2BODIPY dye has a dramatic impact on its nonlinear absorption properties changing it from a saturable absorber to an efficient reverse saturable absorbing material with a nonlinear absorption coefficient of 4.64 × 10-10 m/W. When plotted on a concentration scale per mole of dye in solution MeO2BODIPY far outperforms the recognized zinc(II) phthalocyanine dye and is comparable to that of zinc(II) tetraphenylporphyrin.
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MEDLINE
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En
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Chem Phys Lett
Ano de publicação:
2014
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Article