Synthesis, Crystal Growth And Characterization Of A New Organic Nlo Material: Caffeinium Picrate (cafp)-a Charge Transfer Molecular Complex Salt

A. Chandramohan; R. Bharathikannan; J. Chandrasekaran; P. Maadeswaran; R. Renganathan; V. Kandavelu

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Synthesis, Crystal Growth And Characterization Of A New Organic Nlo Material: Caffeinium Picrate (cafp)-a Charge Transfer Molecular Complex Salt

机译：一种新型有机Nlo材料的合成，晶体生长和表征：苦味咖啡因（cafp）-一种电荷转移分子复合盐

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Good-optical-quality single crystals of caffeinium picrate (CAFP), a new organic charge transfer molecular complex salt, were successfully grown by the slow evaporation solution growth technique at room temperature. Formation of the new crystal has been confirmed by single-crystal X-ray diffraction (XRD) and NMR spectroscopic techniques. CAFP crystallizes under monoclinic system with cell parameters α = 8.2996(10) A, b = 9.0014(11) A and c = 23.0210(3) A. The suitability of this material for optical application was studied by optical transmission spectroscopy. Fourier transform infrared (FT-IR) spectral analysis was used to confirm the presence of various functional groups in the grown crystals. The thermal stability of the crystal was investigated using thermogravimetric and differential thermal analyses studies. The nonlinear optical (NLO) property of the crystal was confirmed by the Kurtz-Perry powder second harmonic generation (SHG) test.

机译：通过在室温下缓慢蒸发溶液生长技术，成功地生长了高光学质量的苦味酸咖啡因单晶（CAFP），这是一种新型的有机电荷转移分子复合盐。通过单晶X射线衍射（XRD）和NMR光谱技术已确认了新晶体的形成。 CAFP在单斜晶系系统下结晶，晶胞参数为α= 8.2996（10）A，b = 9.0014（11）A，c = 23.0210（3）A。通过光学透射光谱法研究了该材料在光学领域的适用性。傅立叶变换红外（FT-IR）光谱分析用于确认生长的晶体中各种官能团的存在。使用热重分析和差热分析研究了晶体的热稳定性。通过Kurtz-Perry粉末二次谐波生成（SHG）测试确认了晶体的非线性光学（NLO）特性。

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来源
《Journal of Crystal Growth》 |2008年第24期|p.5409-5415|共7页
作者
A. Chandramohan; R. Bharathikannan; J. Chandrasekaran; P. Maadeswaran; R. Renganathan; V. Kandavelu;
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作者单位

Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore 641 020, Tamil Nadu, India;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类晶体学;
关键词
a1. charge transfer; a1. thermal; a2. solution growth; b1. caffeinium picrate; b2. nonlinear optic (nlo);

机译：a1。电荷转移;a1。热的;a2。溶液增长;b1。咖啡因苦味酸盐;b2。非线性光学（nlo）;

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Synthesis, Crystal Growth And Characterization Of A New Organic Nlo Material: Caffeinium Picrate (cafp)-a Charge Transfer Molecular Complex Salt

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