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Large Third-Order Optical Nonlinearity of a Novel Copper Phthalocyanine--Ferrocene Dyad |
| BIN Yue-Jing1, XU Song3, LI Zhong-Yu1,2, HUANG Lei1, ZHANG Zhi1, ZHANG Fu-Shi1 |
| 1The Key Lab of Organic Photoelectrons and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 1000842Department of Chemical and Material Engineering, Jilin Institute of Chemical Technology, Jilin 1320223Department of Application Technology, Northeast Dianli University, Jilin 132012 |
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| Cite this article: |
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BIN Yue-Jing, XU Song, LI Zhong-Yu et al 2008 Chin. Phys. Lett. 25 3257-3259 |
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Abstract Third-order optical nonlinearity of a novel copper phthalocyanine--ferrocene dyad is measured by femtosecond forward degenerate four-wave mixing (DFWM) technique at 800nm. The second-order hyperpolarizability of the novel copper phthalocyanine--ferrocene dyad is measured to be 1.74×10-30 esu. This large and ultrafast third-order optical nonlinear response is mainly enhanced by the formation of intramolecular charge-transfer which can enhance the delocalized movements of the large π-electrons in the molecules.
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| Keywords:
42.65.An
42.70.Nq
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Received: 12 March 2008
Published: 29 August 2008
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| PACS: |
42.65.An
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(Optical susceptibility, hyperpolarizability)
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42.70.Nq
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(Other nonlinear optical materials; photorefractive and semiconductor materials)
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