目录
摘要II
关键词II
AbstractIII
引言
引言1
1 材料与方法6
1.1 试剂与仪器6
1.1.1 实验试剂6
1.1.2 实验仪器6
1.2 目标配合物单晶的合成与表征7
1.2.1 单晶的合成方法7
1.2.2 单晶的表征7
2 结果与分析9
2.1 目标配合物的合成结果9
2.2 目标配合物的结构分析9
2.2.1 目标配合物的晶体结构分析9
2.2.2 目标配合物的X射线衍射图谱分析11
2.2.3 目标配合物的红外光谱图分析12
2.2.4 目标配合物的热重分析12
2.2.5 目标配合物的紫外可见近红外漫反射光谱图分析13
3 结论和讨论14
3．1 结论14
3．2 讨论14
致谢15
参考文献16
含过渡金属非线性光学晶体材料的设计合成与结构研究
摘要
本毕业设计的主要内容是利用水热合成法，选取过渡金属化合物(AgNO3,ZrO2),和I2O5及HNO3，成功合成了含Ag+和Zr4+的新型非线性光学晶体材料，即Ag2Zr(IO3)6，并探究其在光学方面的性质。通过调节反应的温度、时间、溶剂类型、pH，探索得到最佳反应条件，最后得出，AgNO3、I2O5和ZrO2以7∶10∶7的摩尔比，加入少量稀硝酸，混合密封在230℃的高压釜中，反应四天，随后以3℃/h的速度冷却至室温，即可得到该新型非线性光学晶体材料。对其进行单晶X射线衍射分析，获得目标化合物的晶体结构。对单晶进行能量色散光谱元素分析，发现其结果与单晶X射线结构分析结果一致。同时，对所得非线性晶体进行热学分析，发现其具有两个失重步骤，分别在168480℃，480530℃的温度范围内，这表明新材料具有较高的热稳定性。紫外可见光吸收光谱显示，非线性晶体在0.322.5 μm范围内的吸收量很小。晶体材料的光学漫反射光谱表明，其为宽带隙半导体。因此该新型晶体材料在光学领域具有广阔的应用前景。 *51今日免费论文网|www.51jrft.com +Q: *351916072* 

THE DESIGN, SYNTHESIS AND RESEARCH OF STRUCTURE OF NONLINEAR OPTICAL CRYSTAL MATERIALS CONTAINING TRANSITION METAL
ABSTRACT
The main content of this graduation design is to successfully synthesize a new nonlinear optical crystal material containing Ag+ and Zr4+, namely Ag2Zr(IO3)6, using hydrothermal synthesis method to select transition metal compounds (AgNO3, ZrO2), and I2O5 and HNO3, and to investigate their optical properties. The best reaction conditions were obtained by adjusting the temperature, time, solvent type and pH of the reaction, and finally, AgNO3, I2O5 and ZrO2 were mixed with a small amount of dilute nitric acid at a molar ratio of 7:10:7, sealed in an autoclave at 230°C for four days, and then cooled to room temperature at a rate of 3°C/h. The new nonlinear optical crystal material was obtained. A single crystal Xray diffraction analysis was performed to obtain the crystal structure of the target compound. Energy dispersive spectroscopic elemental analysis of single crystals was performed and found to be consistent with the results of Xray structural analysis of single crystals. At the same time, thermal analysis of the obtained nonlinear crystals revealed that they have two lossofweight steps in the temperature range of 168480°C and 480530°C, respectively, indicating that the new material has high thermal stability. The UVVis absorption spectra show that the nonlinear crystals absorb very little in the range of 0.322.5 μm. The optical diffuse reflection spectrum of the crystalline material indicates that it is a broadband gap semiconductor. This new crystalline material therefore has a wide range of applications in the optical field.

原文链接：http://www.jxszl.com/hxycl/yyhx/607092.html