AπDπA型咔唑衍生物三阶光学非线性的Z-扫描研究

化学学报 ›› 2005, Vol. 63 ›› Issue (23): 2141-2146. 上一篇下一篇

研究论文

AπDπA型咔唑衍生物三阶光学非线性的Z-扫描研究

钱鹰¹, 林保平¹, 孙岳明¹, 王刚², 崔一平², 袁春伟³

1. 东南大学化学化工系, 南京, 210096;
2. 东南大学电子工程系, 南京, 210096;
3. 东南大学生物分子电子学国家重点实验室, 南京, 210096

投稿日期:2005-01-17 修回日期:2005-06-28 发布日期:2014-02-14
通讯作者: yingqian@seu.edu.cn
作者简介:钱鹰,E-mail:yingqian@seu.edu.cn
基金资助:
国家自然科学基金(No.10374013);教育部博士点基金(No.20030286012)资助项目.

Z-scan Measurements of the Third-order Nonlinear Optical Properties in AπDπA Carbozole Derivatives

QIAN Ying¹, LIN Bao-Ping¹, SUN Yue-Ming¹, WANG Gang², CUI Yi-Ping², YUAN Chun-Wei³

1. Department of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096;
2. Department of Electronic Engineering, Southeast University, Nanjing 210096;
3. State Key Laboratory of Molecular and Biomolecular Electronics, Southeast University, Nanjing 210096

Received:2005-01-17 Revised:2005-06-28 Published:2014-02-14

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摘要/Abstract

合成了6个新型AπDπA型3,6-二取代咔唑多极生色分子,用红外光谱、核磁共振等对其结构进行了表征.用Z-扫描方法研究了这些分子的三阶非线性光学性质.实验结果表明,这些分子具有较大的三阶极化率,延长共轭链长度,增加电子受体强度,引入芳香杂环,都能增强分子内电荷转移,这种效应增加了分子的跃迁矩,使三阶极化率增大.

关键词: 三阶光学非线性, 咔唑衍生物, 有机多极分子, Z-扫描

Six 3,6-di-acceptor-substituted carbazole multipolar chromophores with two aromatic bridges of the two-dimensional conjugated AπDπA system were designed, synthesized and characterized by NMR and IR. The third-order NLO properties of the carbazole chromophores were investigated using single-beam Z-scan technique with picosecond laser pulses at 1064 nm. Results indicate that larger third-order nonlinear optical polarizabilities γ can be readily obtained in such carbazole chromophores because of the incorpora-tion with heteroaromatic rings, increasing of withdrawing group strength and molecular conjugation length.

Key words: third-order nonlinear optical polarizability, carbozole derivative, organic multipolar molecule, Z-scan

引用此文

钱鹰, 林保平, 孙岳明, 王刚, 崔一平, 袁春伟. AπDπA型咔唑衍生物三阶光学非线性的Z-扫描研究[J]. 化学学报, 2005, 63(23): 2141-2146.

QIAN Ying, LIN Bao-Ping, SUN Yue-Ming, WANG Gang, CUI Yi-Ping, YUAN Chun-Wei. Z-scan Measurements of the Third-order Nonlinear Optical Properties in AπDπA Carbozole Derivatives[J]. Acta Chimica Sinica, 2005, 63(23): 2141-2146.

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AπDπA型咔唑衍生物三阶光学非线性的Z-扫描研究

Z-scan Measurements of the Third-order Nonlinear Optical Properties in AπDπA Carbozole Derivatives

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