Spectroscopic Characteristics of Hyperbranched Conjugated Polymers Studied by One- and Two-Photon Excitations |
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| Authors: | Zhi Yang Na Li An-dong Xia Qing-guo He Hong-zhen Lin Feng-lian Bai |
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| Abstract: | Spectroscopic properties of new hyperbranched conjugated polymers functionalized in periphery with N,N-dimethylaniline and tert-butyl-benzene as terminal groups are investigated by one- and two-photon excitations. The absorption, °uorescence excitation and emission spectra are examined in chloroform and N,N-dimethylformamide. The two-photon excitation measurements show that the new hyperbranched conjugated polymer possesses large two-photon excitation cross section which makes it a very attractive candidate for the potential application as nonlinear optical materials. As an example, the two-photon induced three-dimensional data storage is also demonstrated. |
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| Keywords: | Hyperbranched conjugated polymer Two-photon excitation cross section Two-photon induced optical data storage |
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