Multi-carbazole derivatives for two-photon absorption data storage:Synthesis,optical properties and theoretical calculation

被引:0
作者
LI Lin1
2State Key Laboratory of Crystal Materials
3Department of Physics
4State Key Laboratory of Transient Optics and Photonics
5Department of Precision Machinery and Precision Instrumentation
机构
基金
中国国家自然科学基金;
关键词
initiator; optical data storage; fluorescence; two-photon absorption; theoretical calculation;
D O I
暂无
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Two novel quadrupolar organic compounds, 3-(4-((E)-2-(9-butyl-9H-carbazol-6-yl) vinyl)styryl)-9-propyl-9H-carbazole (BCSPC) and 3-(3-(3-((1E)-2-(4-((E)-2-(3-(3,5-bis(9-butyl-9H-carbazol-6-yl)phenyl)-9-butyl-9H-carbazol-6-yl)vinyl)phenyl) vinyl)-9-butyl-9H-carbazol-6-yl)-5-(9-butyl-9H-carbazol-6-yl)phenyl)-9-butyl-9H-carbazole (BCPBC), with different conjugated arms, have been designed and synthesized. Their one-and two-photon absorption (TPA) and excited fluorescence properties have been experimentally investigated. The two-photon absorption cross-sections of two compounds were estimated by two-photon excited fluorescence technique using 200 fs, 76 MHz, Ti:sapphire laser, which are 22 and 154 GM for BCSPC and BCPBC, respectively. The optimal excitation wavelengths are 780 nm for both BCSPC and BCPBC. A data recording experiment proved the potential application of the materials.
引用
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页码:884 / 890
页数:7
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