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Optical Performance and Nonlinear Scattering of Soluble Polystyrene Grafted Multi-Walled Carbon Nanotubes |
TONG Rui1,2;WU Hui-Xia3;QIU Xue-Qiong1,2;QIAN Shi-Xiong1;LIN Yang-Hui3;CAI Rui-Fang3 |
1Department of Physics, Fudan University, Shanghai 200433
2National Key Laboratory for Surface Physics, Fudan University, Shanghai 200433
3Department of Chemistry, Fudan University, Shanghai 200433 |
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Cite this article: |
TONG Rui, WU Hui-Xia, QIU Xue-Qiong et al 2006 Chin. Phys. Lett. 23 2105-2108 |
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Abstract Three soluble polystyrene grafted multi-walled carbon nanotube (MWNT) samples are synthesized, and their optical performance and nonlinear scattering properties are investigated by z-scan method using nanosecond pulses of 532nm from a frequency-doubled Q-switched Nd:YLF laser. Analysis of the experimental results shows that other than nonlinear scattering, nonlinear absorption plays a major role in optical limiting performance of these stable and well-dispersed suspensions. These new synthesized materials which can be better dispersed in common organic solvents than MWNT itself can be considered as potential sources for further optical applications.
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Keywords:
42.65.-k
61.46.+w
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Published: 01 August 2006
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