分子Fe (II) -Ln (III) 二用于分子层面的自旋状态平衡的发光读数
Timothée Lathion1,2, Neel Deorukhkar1, Charlotte Egger1
1Department of Inorganic and Analytical Chemistry, University of Geneva, 30 quai E. Ansermet, CH-1211 Geneva 4, Switzerland. Claude.Piguet@unige.ch.
Dalton transactions (Cambridge, England : 2003)
|September 23, 2024
概括
这项研究开发了新的铁-兰坦化复合物,使得在分子层面上能够写入和读取数据. 这些旋转交叉材料为先进的数据存储和温度计应用提供了潜力.
科学领域:
- 协调化学 协调化学
- 材料科学 材料科学 材料科学
- 超分子化学 超分子化学
背景情况:
- 铁 (II) 复合体中的旋转交叉 (SCO) 对外部刺激敏感.
- 兰化物复合体表现出特有的发光.
- 将3d和4f金属集成到二中可以导致新的功能材料.
研究的目的:
- 设计和合成能够存储分子信息的Fe (II) -Ln (III) 二合物.
- 研究Fe(II) 中的旋转交叉和Ln(III) 中的发光之间的相互作用.
- 探索数据存储和温度测量的潜在应用.
主要方法:
- 合成非对称的NN'配体用于Fe (II) 复合.
- 形成含有Fe (II) 和Ln (III) (Nd,Eu) 的三链螺旋体.
- 光谱分析 (UV-Vis,发光) 探测旋转状态和能量转移.
主要成果:
- 面部同位素fac-[Fe(II)(NN')3]2+复合体表现出室温的SCO.
- 铁二) - - 三) 螺旋体显示基于铁二) 旋转状态的调制兰化物发光.
- 欧 (可见辐射) 和新 (近红外辐射) 复合体表现出不同的信号输出.
结论:
- 在单个分子中,Fe(II) 旋转状态可以通过兰坦化物发光写入和读取.
- 该系统允许通过分子内金属间能量转移检测外部干扰.
- 可调节的发射 (可见到NIR) 为数据存储和温度计提供线性信号协议.
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