Physics – Condensed Matter – Materials Science
Scientific paper
2002-12-19
Chem. Phys. Lett. 369 (2003) 281-286
Physics
Condensed Matter
Materials Science
14 pages, 4 figures, To appear in Chem. Phys. Lett
Scientific paper
10.1016/S0009-2614(02)02015-8
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 C60, 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 C60 and FCA/polymer composites. The possible sources for the improvement in the optical limiting are discussed.
Elim Hendry Izaac
Goh Suat Hong
He Jun
Ji Wei
Ouyang Jianying
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