Enhancement of the picosecond and femtosecond third harmonic generation from poly(N-vinylcarbazole)/fullerene combination films

Jiang Qian; Fukai Shan; Gongming Wang; Shixiong Qian; Xiannian Liu; Qi-ke Zheng

doi:10.1117/12.300651

20 February 1998 Enhancement of the picosecond and femtosecond third harmonic generation from poly(N-vinylcarbazole)/fullerene combination films

Jiang Qian, Fukai Shan, Gongming Wang, Shixiong Qian, Xiannian Liu, Qi-ke Zheng

Author Affiliations +

Proceedings Volume 3175, Third International Conference on Thin Film Physics and Applications; (1998) https://doi.org/10.1117/12.300651
Event: Third International Conference on Thin Film Physics and Applications, 1997, Shanghai, China

Abstract

The optical nonlinearity of the combination of films of poly(N-vinylcarbazole), abbreviated as PVK, and fullerene C₆₀ has been investigated by third harmonic generation (THG) measurement by using 1064 nm picoseconds (ps) and 790 nm femtosecond (fs) laser beams, respectively. More intense signals were observed from the mixed and multilayer PVK/C₆₀ films than those from pure C₆₀ and PVK films. This signal enhancement was attributed to the complex and carriers produced by the photoinduced charge transfer (CT) process between PVK and C₆₀ molecules in the combination films.

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Jiang Qian, Fukai Shan, Gongming Wang, Shixiong Qian, Xiannian Liu, and Qi-ke Zheng "Enhancement of the picosecond and femtosecond third harmonic generation from poly(N-vinylcarbazole)/fullerene combination films", Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); https://doi.org/10.1117/12.300651

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