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相关概念视频

Ion Exchange01:17

Ion Exchange

621
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
621
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

578
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
578

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相关实验视频

Updated: Jul 18, 2025

A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires
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A Fabrication Method for Highly Stretchable Conductors with Silver Nanowires

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尺寸选择性离子交联提供可伸缩的混合离子电子导体.

Junwoo Lee1, Hyunwoo Bark2, Yazhen Xue1

  • 1Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520, USA.

Angewandte Chemie (International ed. in English)
|August 19, 2023
PubMed
概括
此摘要是机器生成的。

研究人员使用尺寸选择性离子交联开发了内在可变形的有机导体. 这种方法提高了软电子和可拉伸热电发电机的柔软性,性和导电性.

关键词:
有机导体 有机导体尺寸选择性的离子交叉链接可伸展性 伸展性 伸展性热电发电机 热电发电机

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科学领域:

  • 材料科学 材料科学 材料科学
  • 有机电子 有机电子
  • 软机器人软机器人 软机器人软机器人

背景情况:

  • 符合机械要求的导体对于软电子和机器人技术至关重要.
  • 一个关键的挑战是平衡机械性能与有机导体中的电荷流动性.

研究的目的:

  • 解决机械性能和有机导体中的电荷移动性之间的权衡问题.
  • 开发具有增强性能的内在可变形有机导体.

主要方法:

  • 使用尺寸选择性离子交联与经长度调节的oligo (乙烯基醇) 悬挂组和金属离子.
  • 研究的聚3,4-乙烯二氧化硫):聚乙烯硫酸盐复合材料.

主要成果:

  • 在软度,性和混合离子电子导电性方面实现了同时的改进.
  • 在温度梯度的反应中,证明了增强的电荷载体积累.
  • 展示了可伸缩热电发电机对湿度的改善稳定性.

结论:

  • 尺寸选择性离子交联为创建高性能,内在可变形的有机导体提供了可行的解决方案.
  • 开发的材料对像拉伸式热电发电机这样的先进应用有前途.