A new series of two-photon polymerization initiators: Synthesis and nonlinear optical properties |
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| Authors: | XiaoPing Gan HongPing Zhou PengFei Shi Peng Wang JieYing Wu YuPeng Tian JiaXiang Yang GuiBao Xu YuFang Zhou MinHua Jiang |
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| Affiliation: | (1) Molecular Opto-Electronics Laboratory, Department of Chemistry, Korea University, 1-Anamdong, Seoul, 136-701, South Korea;(2) Key Laboratory of Rubber-plastics of Education Ministry, College of Polymer, Qingdao University of Science & Technology, 53-Zhengzhou Road, Qingdao, 266042, China; |
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| Abstract: | Four photopolymerization initiators with D-π-D (D, donor; π, conjugation system) structure have been synthesized by solvent-free reaction and characterized by 1H NMR spectroscopy, IR and elemental analysis. The one-photon and two-photon excited fluorescence have been investigated in different solvents. Experimental results of the one-photon and two-photon absorption cross sections show different trends in OPA and TPA ability with different substitution groups in donor units. |
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