晶体结构,光学特性和M2[W2O3(SO4) 6 (M = Y, Eu, Tb, Lu, Bi) 的热特性和晶体结构,光学特性和热特性
Vivien Wessels1, Sofia Kügle1, Henning A Höppe1
1Lehrstuhl für Festkörperchemie, Universität Augsburg, Universitätsstraße 1, 86159 Augsburg, Germany. henning.hoeppe@physik.uni-augsburg.de.
Dalton transactions (Cambridge, England : 2003)
|September 9, 2024
概括
合成了具有潜在光学应用的新型硫酸硫化物质. 这些化合物表现出发光和高热稳定性,其属性可通过金属阴离子选择调节.
科学领域:
- 材料科学 材料科学 材料科学
- 无机化学 无机化学 有机化学
- 固态化学 固态化学
背景情况:
- 硫酸重态是一种新型的宿主材料类别,具有尚未探索的光学特性.
- 了解它们的结构-属性关系对于开发新的功能材料至关重要.
研究的目的:
- 为了合成和描述一系列M2[W2O3(SO4) 6硫酸态 (M = Y, Eu, Tb, Lu, Bi).
- 为了研究它们的晶体结构,光学特性 (发光,带间隙) 和热稳定性.
- 探索这些材料在光学应用中的潜力.
主要方法:
- 在中进行溶热合成.
- 单晶X射线衍射用于结构确定.
- 光谱法用于分析发光.
- 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC). 热分析 (TGA/DSC)
- FT-IR和UV-VIS光谱与TAUC图谱分析用于频段间隙的确定.
主要成果:
- 在单临床空间组C2/c中成功合成和结晶的纯相M2[W2O3(SO4) 6化合物.
- 欧和土杂化合物表现出特有的红色和绿色发光,分别是由于f-f过渡.
- 观察到高热稳定性,随着金属离子离子半径的减少而增加.
- 确定了带间隙,并分析了珠化合物中单一对活动.
结论:
- 合成的硫酸盐体是光学应用的有希望的宿主材料.
- 它们的结构和光学特性可以通过选择金属离子来调整.
- 对它们的发光机制和潜在应用的进一步研究是有必要的.
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