Nonlinear optical properties of mono-functional 1,2-dihydro-1,2-methanofullerene[60]-61-carboxylic acid/polymer composites

By using nanosecond laser pulses at 532-nm wavelength, we have studied the nonlinear optical properties of composites which consist of mono-functional 1,2-dihydro-1,2-methanofullerene[60]-61-carboxylic acid (FCA) and poly(styrene-co-4-vinylpyridine). The optical limiting performance of FCA itself is...

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Bibliographic Details
Published in:Chemical physics letters 2003-02, Vol.369 (3), p.281-286
Main Authors: Izaac Elim, Hendry, Ouyang, Jianying, He, Jun, Hong Goh, Suat, Hai Tang, Sing, Ji, Wei
Format: Article
Language:English
Subjects:
Atomic and molecular clusters
Atomic and molecular physics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optical properties of clusters
Optical susceptibility, hyperpolarizability
Optics
Physics
Studies of special atoms, molecules and their ions
clusters
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Summary:By using nanosecond laser pulses at 532-nm wavelength, we have studied the nonlinear optical properties of composites which consist of mono-functional 1,2-dihydro-1,2-methanofullerene[60]-61-carboxylic acid (FCA) and poly(styrene-co-4-vinylpyridine). The optical limiting performance of FCA itself is poorer than that of its parent C 60, while FCA incorporated with polystyrene shows better optical limiting responses, with the limiting threshold reduced by about 35%. In addition, the FCA gives slightly stronger photoluminescence emission than that of both C 60 and FCA/polymer composites. The possible sources for the improvement in the optical limiting are discussed.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(02)02015-8