含有d轨道元件的盐含量素化物:揭示了显著的非线性光学特性和双带光发光
Shao-Min Pei1,2, Ming-Shu Zhang1, Fan Wu1,3
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou Fujian 350002 P. R. China gcguo@fjirsm.ac.cn bwliu@fjirsm.ac.cn.
Chemical science
|August 30, 2024
概括
合成了两种具有d-轨道的新的盐含量素化物 (SIC). 这些材料显示出有前途的非线性光学 (NLO) 特性和宽带间距,推动了NLO晶体的发展.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 光电学是指光电子产品.
背景情况:
- 具有d轨道的金属通常具有狭窄的带隙,限制了它们在非线性光学 (NLO) 晶体中的使用.
- 盐含量素化物 (SIC) 提供了一种策略,通过结合电正聚合物来克服这些局限性.
研究的目的:
- 综合和描述新型的同结构性SIC.
- 评估它们作为高功率NLO材料的潜力.
- 为了研究它们的光学和光发光特性.
主要方法:
- 高温盐生长方法用于合成[K4Cl][MGa9S16] (M = Mn,Hg).
- 第二次波 (SHG) 测量.第二次波 (SHG) 测量.
- 光学带隙的确定.
- 在77K的光发光谱学.
主要成果:
- 两个同结构性SICs,[K4Cl][MnGa9S16] (1) 和[K4Cl][HgGa9S16] (2),已经成功合成.
- 这两种化合物都表现出显著的第二和生成 (SHG) 反应 (0.6-1.0 × AgGaS2 @1910 nm).
- 复合物2显示了以Hg为基础的NLO化物最宽的光学带隙 (3.41 eV).
- 化合物1显示双带光发光辐射 (~650和~718nm) 具有很长的寿命 (0.94和1.35毫秒在77K).
结论:
- 设计的[MGa9S16]3-阳离子框架负责观察到的NLO特性.
- 这些新型的SIC是NLO应用的竞争对手.
- 化合物1中独特的光发光暗示了其他光电子应用的潜力.
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