Enhanced reverse saturable absorption and optical limiting properties in a protonated water-soluble porphyrin

Nonlinear optical properties of water-soluble porphyrin 5,10,15,20-Tetrakis (1-methyl-4-pyridinio) porphyrin tetra (p-toluenesulfonate) (TMPyP), protonated TMPyP ( ), TMPyP film with the gelatin matrix (TMPyP/Gelatin) were investigated by the open-aperture Z-scan technique in the nanosecond regime....

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Bibliographic Details
Published in:Journal of optics (2010) 2013-05, Vol.15 (5), p.55206-1-6
Main Authors: Zhang, Xiao-Liang, Chen, Xu-Dong, Li, Xiao-Chun, Ying, Cui-Feng, Liu, Zhi-Bo, Tian, Jian-Guo
Format: Article
Language:English
Subjects:
Buckminsterfullerene
Constraining
Fullerenes
Gelatins
Multi wall carbon nanotubes
Nanostructure
optical limiting
Optical properties
porphyrin
Porphyrins
protonation
Z-scan
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Summary:Nonlinear optical properties of water-soluble porphyrin 5,10,15,20-Tetrakis (1-methyl-4-pyridinio) porphyrin tetra (p-toluenesulfonate) (TMPyP), protonated TMPyP ( ), TMPyP film with the gelatin matrix (TMPyP/Gelatin) were investigated by the open-aperture Z-scan technique in the nanosecond regime. Results show that exhibits a larger ratio of excited state absorption cross-section to that of the ground state and enhanced reverse saturable absorption properties compared with TMPyP and TMPyP/Gelatin. also shows the superior optical limiting performance, even better than the benchmark material C60 and the multi-walled carbon nanotubes (MWNTs) dispersion.
ISSN:2040-8978
2040-8986
DOI:10.1088/2040-8978/15/5/055206