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Fused Filament Fabrication FFF of Metal-Ceramic Components
Published on: January 11, 2019
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三维比伦化N-异烯
Ben-Lin Hu1, Cunbin An1, Manfred Wagner1
1Max Planck Institute for Polymer Research , Ackermannweg 10 , 55128 Mainz , Germany.
Journal of the American Chemical Society
|March 13, 2019
概括
研究人员开发了具有增强溶解性的新型3Dpyrene融合N-heteroacenes. 这种策略为合成大型三维分子提供了一个有前途的途径,用于先进的应用.
科学领域:
- 有机化学
- 材料科学
- 超分子化学
背景情况:
- 二维 (2D) N-酸盐通常具有较差的溶解性,限制了其可加工性和应用.
- 由于其独特的光物理和电子特性,Pyrene-fused系统非常有趣.
- 开发扩展的π结合系统的可扩展合成路径对于材料创新至关重要.
研究的目的:
- 设计和合成新的三维 (3D) 化N-异烯.
- 研究3D共价链接对烯融合N-异的可溶性和性能的影响.
- 建立一个大3D pyrene-fused N-heteroacenes的合成的一般策略.
主要方法:
- 代合成,包括将亚醇单元降解为二胺,然后用二基凝结.
- 使用核磁共振 (NMR) 光谱 (1H,13C,2D),质谱 (MS),紫外线可见 (UV-vis) 吸收,光发光 (PL) 和循环电压测量 (CV) 的表征.
- 结构分析以确定分子直径.
主要成果:
- 成功合成了长度不断增加的四个3D烯融合的N-异烯 (P1-P4).
- 与2D对应物相比,3D共价连接显著提高了溶解度.
- 合成的分子直径在3.66到10.88纳米之间.
结论:
- 开发的合成策略提供了一个可行的方法来构建大型3Dpyrene-fusedN-heteroacenes.
- 这些新的3D材料显示出更好的可溶性,为它们在各种应用中开辟了道路.
- 代方法可以控制分子大小和属性的扩展.
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