| 有机非线性材料DAST单晶微片的生长及研究 |
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| 引用本文： | 吴晨寅,蔡斌. 有机非线性材料DAST单晶微片的生长及研究[J]. 上海理工大学学报, 2018, 40(5): 444-448 |
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| 作者姓名： | 吴晨寅 蔡斌 |
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| 作者单位： | 上海理工大学 光电信息与计算机工程学院, 上海 200093,上海理工大学 光电信息与计算机工程学院, 上海 200093 |
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| 摘 要： | 研发了一种有机非线性光学晶体4-(4-二甲基氨基苯乙烯基)甲基吡啶对甲基苯磺酸盐(DAST)单晶微片的生长方法。首先使用表面支持快速蒸发结晶法制备出了DAST微晶,再通过在甲醇的饱和蒸气压下自组装培养生长成DAST单晶微片。此方法获得的DAST单晶微片不仅厚度均一,而且具有极好的晶体表面质量。另外,还对DAST单晶微片的紫外可见吸收和荧光光谱以及二阶非线性进行了分析和研究。
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| 关 键 词： | 有机非线性材料 单晶微片 自组装 |
| 收稿时间： | 2018-04-08 |
Growth of the Single-Crystal Micro-plate of Organic Nonlinear Material DAST |
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| WU Chenyin and CAI Bin. Growth of the Single-Crystal Micro-plate of Organic Nonlinear Material DAST[J]. Journal of University of Shanghai For Science and Technology, 2018, 40(5): 444-448 |
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| Authors: | WU Chenyin and CAI Bin |
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| Affiliation: | School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China and School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | A new method was developed to grow up the single-crystal miero-plater of organic nonlinear optical crystal 4-N,N-dimethylamino-4''-N''-methyl-stilbazolium tosylate (DAST). DAST micro-crystal was prepared by the method of substrate-supported rapid evaporation crystallization, then placed in a circumstance of saturated vapour pressure of methanol to undergo a self-assembly way and form single-crystal micro-plate. The obtained DAST micro-plate not only has uniform thickness but also exhibits excellent crystal surface quality. Furthemore, the ultraviolet-visible absorption spectra, fluorescence emission spectra and second-order nonlinearity of the micro-plate were also studied carefully. |
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| Keywords: | organic nonlinear material single crystal micro-plate self-assembly |
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