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通过协调模式调整的viologen-metal聚合物的可调色色特性,用于无墨可擦印刷
Yan-Yan Zhang1, He-Chong Wang2, Xin-Xin Jin3
1Key Laboratory of Surface &, Interface Science of Polymer Materials of Zhejiang Province, School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China.
Chemistry (Weinheim an der Bergstrasse, Germany)
|August 16, 2023
概括
本研究介绍了一种用于无墨和可擦印 (IEP) 的金属有机聚合物 (MOP) 设计的新策略. 开发的MOP表现出快速响应,强烈的色彩对比度和持久的激素寿命,使可持续的印刷应用成为可能.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 超分子化学 超分子化学
背景情况:
- 使用染色材料的无墨可擦印刷 (IEP) 为环境问题提供了可持续的解决方案.
- 金属有机聚合物 (MOP) 是开发先进IEP材料的有希望的平台.
- 具有特定功能的MOP的合理设计是具有挑战性的,因为复杂的结构-属性关系.
研究的目的:
- 为IEP-MOP材料的合理设计提出一个有效的策略.
- 为了在MOP中引入对刺激有反应的viologen部分,以获得可调色色态的行为.
- 调查不同的协调模型,以优化IEP的表现.
主要方法:
- 设计和合成基于viologen的MOP,具有不同的协调模型 (双边M1和单边M2).
- 使用理论计算来指导最佳协调模型的选择.
- 对MOP的刺激反应性质,色彩对比度和基质寿命的实验性表征.
主要成果:
- 成功合成了两个代表性的viologen-Zn(II) MOP (1和2),对应于M1和M2模型.
- 与MOP 2 (M2模型) 相比,MOP 1 (M1模型) 显示出更高的性能:更快的刺激反应,更强的色彩对比度和更长的基质寿命.
- 开发的1-IEP介质结合了优良的色特性和类似纸张的灵活性,满足日常打印需求,具有高分辨率和耐用性,用于智能设备识别.
结论:
- 使用viologen部分和特定协调模型的合理设计策略对于开发高性能IEP-MOP是有效的.
- 在IEP申请中,双边协调模型 (M1) 证明比单边模型 (M2) 更适合.
- 合成的MOP 1为先进的无墨印刷技术提供了一个有希望的,可持续的和多功能材料.
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When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human eye.
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