一种具有酸盐和酸盐结合剂的宏环多聚基:合成,结构和质子导电性
Fangcheng Liu1, Jiaheng Lin1, Jianming Ji1
1MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China.
Inorganic chemistry
|September 11, 2023
概括
一个新的聚酸盐宏循环表现出高质子导电性. 通过载体机制进行质子运输,伊米达的对子离子是至关重要的,需要大量的激活能量.
科学领域:
- 无机化学 无机化学 有机化学
- 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:
- 开发用于质子导电的先进材料对于能源应用至关重要.
- 基格林类型的多氧金属酸盐是功能性材料的多功能构建模块.
- 了解复杂无机有机混合材料中的质子传输机制至关重要.
研究的目的:
- 合成和描述一种基于四度流体Keggin型聚酸聚类的新型协调宏循环.
- 为了研究合成材料的质子导电性.
- 阐明有机对子体在质子导电机制中的作用.
主要方法:
- 合成了一种新型协调宏循环,其中包含四分离Keggin型 {PMo8} 集群和有机四酸.
- 材料结构和成分的表征.
- 在不同温度和湿度条件下测量质子导电性,包括使用和不使用伊米达的对照实验.
主要成果:
- 一个新的Keggin型聚酸聚 ({PMo8}) 成功地集成到一个协调宏循环中.
- 该化合物在373 K和98%的相对湿度下显示出高质子导电性 (9.70 × 10−3 S cm−1).
- 伊米达对子被确定为必不可少的移动质子载体,为载体介导的质子导电提供高激活能量 (0.502 eV).
结论:
- 合成的协调宏循环代表了一种具有显著质子导电性的新型聚酸盐材料.
- 伊米达在通过载体机制增强质子运输方面发挥着至关重要的作用.
- 这项工作提供了设计先进的质子导体材料的见解,通过结合特定的有机离子.
更多相关视频
相关概念视频
01:01Phosphodiester Linkages
100.4K
Overview
Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds. Two water molecules are released in this process. The phosphodiester bond is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function.
Phosphodiester Bonds Link Nucleotides Together
DNA and RNA are polynucleotides or long chains of nucleotides that are linked together. A nucleotide is...
Phosphodiester bond forms when a phosphoric acid molecule (H3PO4) links with two hydroxyl groups (–OH) of two other molecules, forming two ester bonds. Two water molecules are released in this process. The phosphodiester bond is commonly found in nucleic acids (DNA and RNA) and plays a critical role in their structure and function.
Phosphodiester Bonds Link Nucleotides Together
DNA and RNA are polynucleotides or long chains of nucleotides that are linked together. A nucleotide is...
100.4K
02:34Structural Isomerism
19.3K
Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
19.3K
00:57Cationic Chain-Growth Polymerization: Mechanism
2.4K
The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the...
2.4K
01:28ATP and Macromolecule Synthesis
5.6K
Biological macromolecules are organic compounds, predominantly composed of carbon atoms. The carbon atoms are covalently bonded with hydrogen, oxygen, nitrogen, and other minor elements. There are four major biological macromolecule classes: carbohydrates, lipids, proteins, and nucleic acids.
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...
5.6K