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Two-photon Absorption and optical Power limiting.Properties of Two Novel Dibenzothiophene-based Chromophores

Chinese Chemical Letters 2006年第9期17卷 1263-1266页

作者： Jian Wei CHENG Xiao Mei WANG Jin XU Chang Gui LU Yi Ping CUI Bo LI Shi Xiong QIAN Ping YANG Material Engineering Institute Chemical Department of Suzhou University Suzhou 215021 Department of Electronic Engineering Southeast University Nanjing 210096 Laboratory of Advanced Materials Fudan University Shanghai 200433

Two novel V-shaped symmetric chromophores： E-2,8-bis（4-vinyl-4-carbazol-9-yl）diben- zothiophene （abbreviated as SK-G1） and E-2,8-bis（4-vinyl-4-triphenylamino） dibenzothiophene （abbreviated as ST-G1） have been synthesized and characterized. Their two photon absorption properties were measured by the open-aperture femtosecond Z-scan technique and the nanosecond nonlinear optical transmission （NLT）, respectively, when pumped by Ti： sapphire laser at 750 nm and 800 nm.

关键词： E-2,8-Bis(4-vinyl-4-carbazol-9-yl)dibenzothiophene E-2,8-bis(4-vinyl-4-triphenyl- amino)dibenzothiophene two-photon absorption optical limiting.

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Synthesis and optical Properties of Hyperbranched PAEKs Containing Porphyrin and Its Metal Derivatives

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Chinese Journal of Polymer Science 2014年第1期32卷 73-83页

作者： Xu Jiang Yin-long Du Chuan Liu Peng-fei Huo Zhi Geng Shu-ling Zhang 王贵宾 College of Chemistry Engineering Research Center of High Performance Plastics Ministry of Education Jilin University

Novel functional hyperbranched poly（aryl ether ketone）s （HPAEKs） bonded with nonlinear optical chromophores （meso-tetrakis（4-hydroxyphenyl） porphyrin, THPP and its metal derivatives） were synthesized and characterized by IH-NMR and UV-Vis absorption spectra. The incorporation of chromophores into HPAEKs endowed HPAEKs novel NLO and OL properties. Indeed, dendritic architecture allowed for maximum dispersion of the chromophores, avoided aggregation, more optical limiting.property was obtained. Simultaneously, they retained the excellent properties of the materials, particularly in thermal stability. Their optical properties were evaluated by nonlinear optical analyses and optical limiting. The results showed that these polymers possessed good optical limiting.（OL） property and large nonlinear optical （NLO） susceptibilities （ca. 10-12 esu）. All polymers containing chromophores presented excellent thermal stability （DT5 〉 524.17 ℃）.

关键词： Porphyrin Poly(aryl ether ketone)s Hyperbranched optical limiting.

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Synthesis and Three-photon Induced Nonlinear Properties of a Novel Organic Chromophore

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Chinese Chemical Letters 2005年第8期16卷 1093-1096页

作者： Fu Quan GUO Jun YANG Qi Jin ZHANG Hai MING StructureResearch Laboratory University of Science and Technology of China Hefei 230026 Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026 Department of Physics University-of Science and Technology of China Hefei 230026

A novel organic chromophore 4, 4＇-bis（9-carbazyl-trans-styryl）-biphenyl （BCSBP） has been synthesized and characterized by IHNMR and elemental analysis. Three-photon absorption（3PA） induced upconvention fluorescence was observed and large 3PA cross section as high as 10^-74 cm^6 s^2 was obtained for nanosecond laser pulses at 1064 nm from optical limiting.measurements.

关键词： Carbazole three-photon absorption upconvention fluorescence optical limiting.

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