附带有协调组的阿洛克萨基联体:合成,电化学研究和协调聚合物的形成
Jaison Casas1, David Pianca2, Nolwenn Le Breton2
1CNRS, CMC UMR 7140, Université de Strasbourg, 4 rue Blaise Pascal, CS 90032, Strasbourg 67081, Cedex, France.
Inorganic chemistry
|March 1, 2024
概括
具有基的新型阿洛克萨配体具有氧化还原活性,并与过渡金属形成新型3D协调聚合物. 这些材料显示出离子电池应用的潜力,这是由于Li+插入能力.
科学领域:
- 协调化学 协调化学
- 材料科学 材料科学 材料科学
- 电化学 电化学 电化学
背景情况:
- 艾洛克萨衍生物以其氧化还原特性而闻名.
- 设计用于协调聚合物的功能配体仍然是一个活跃的研究领域.
- 探索用于储能的新材料至关重要.
研究的目的:
- 合成和表征新型氧基配体与化协调组.
- 为了研究合成的配体的氧化还原活性和电子性质.
- 探索这些连接体与过渡金属离子的协调化学,并评估它们在离子电池中的潜力.
主要方法:
- 连接体的设计和合成.
- 使用循环电压测量 (CV) 和联合CV/电子磁共振 (EPR) 的电化学表征.
- 密度函数理论 (DFT) 的计算.
- 配合Cu2+和Ni2+的协调聚合物形成.
- 在离子电池配置中进行初步充/放电实验.
主要成果:
- 成功合成和表征了三种具有基协调组的新型阿洛克萨配体.
- 配方体在DMF溶液中表现出氧化还原活性,在减少时在阿洛克萨核心上发生非局部自旋,CV,CV/EPR和DFT证实了这一点.
- 第一个基于素的3D协调聚合物是使用一个配体与Cu2+或Ni2+形成的,具有强大的π-π堆叠和显著的空洞.
- 初步测试表明,+被插入到这些协调聚合物中,这表明电池应用的潜力.
结论:
- 新的氧化还原活性阿洛克萨配体已经开发出来.
- 合成的配体可以与过渡金属形成前所未有的3D协调聚合物.
- 这些基于素的协调聚合物显示出作为离子电池的电极材料的初步潜力.
相关概念视频
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