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Simple Fabrication and Unique Fiber Growth Mechanism of Copper(I) 4-Toluenethiolate-Based Fibrous Coordination Polymer
ACS Macro Letters ( IF 5.1 ) Pub Date : 2024-08-28 , DOI: 10.1021/acsmacrolett.4c00440 Hiroshi Eguchi 1 , Takako Nodake 1 , Kenji Nagata 1
ACS Macro Letters ( IF 5.1 ) Pub Date : 2024-08-28 , DOI: 10.1021/acsmacrolett.4c00440 Hiroshi Eguchi 1 , Takako Nodake 1 , Kenji Nagata 1
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Coordination polymers (CPs) exhibit various distinctive properties owing to the metals incorporated in their main chains. These properties make CPs appealing for applications in optoelectronic devices and sensors and as precursors for inorganic materials with controlled morphologies. However, only a few CPs form fibrous structures, and the fabrication methods require complicated procedures, thus, limiting their range of applications. In this study, we report the easily feasible fabrication of fibrous CP, specifically, copper(I) 4-toluenethiolate (CuSArMe), and investigate its unique fiber growth mechanism. The reaction of CuI and 4-toluenethiol in acetonitrile in the presence of triethylamine quickly produced aggregated CuSArMe particles. With continuous stirring at ambient temperature (∼20 °C), wavy fibers grew from the surface of the aggregates, eventually forming an entangled fibrous structure. Structural evaluations of CuSArMe using powder X-ray diffraction analyses revealed that the regularity of the crystal phase increased as the morphology changed from aggregated particles to fibrous structures, suggesting that the transformation was a crystallization-driven process. Additionally, the conversion of fibrous CuSArMe to Cu2S, a known semiconductor, was demonstrated while maintaining the fiber-like structure and providing the desired materials.
中文翻译：
4-甲苯硫醇铜(I)基纤维配位聚合物的简单制备和独特的纤维生长机制
配位聚合物（CP）由于其主链中含有金属而表现出各种独特的性能。这些特性使 CP 在光电器件和传感器中的应用以及作为具有受控形态的无机材料的前体具有吸引力。然而，只有少数CP形成纤维结构，且制造方法需要复杂的程序，从而限制了其应用范围。在这项研究中，我们报告了纤维状 CP（特别是 4-甲苯硫醇铜 (I) (CuSAr Me ) ）的简单可行的制造，并研究了其独特的纤维生长机制。在三乙胺存在下，CuI 和 4-甲苯硫醇在乙腈中反应，快速生成聚集的 CuSAr Me颗粒。在环境温度（~20°C）下持续搅拌，波状纤维从聚集体表面生长，最终形成缠结的纤维结构。使用粉末 X 射线衍射分析对 CuSAr Me的结构评估表明，随着形态从聚集颗粒转变为纤维结构，晶相的规则性增加，表明该转变是结晶驱动的过程。此外，还证明了纤维状 CuSAr Me向已知半导体 Cu 2 S 的转化，同时保持了纤维状结构并提供了所需的材料。
更新日期：2024-08-28
中文翻译：
4-甲苯硫醇铜(I)基纤维配位聚合物的简单制备和独特的纤维生长机制
配位聚合物（CP）由于其主链中含有金属而表现出各种独特的性能。这些特性使 CP 在光电器件和传感器中的应用以及作为具有受控形态的无机材料的前体具有吸引力。然而，只有少数CP形成纤维结构，且制造方法需要复杂的程序，从而限制了其应用范围。在这项研究中，我们报告了纤维状 CP（特别是 4-甲苯硫醇铜 (I) (CuSAr Me ) ）的简单可行的制造，并研究了其独特的纤维生长机制。在三乙胺存在下，CuI 和 4-甲苯硫醇在乙腈中反应，快速生成聚集的 CuSAr Me颗粒。在环境温度（~20°C）下持续搅拌，波状纤维从聚集体表面生长，最终形成缠结的纤维结构。使用粉末 X 射线衍射分析对 CuSAr Me的结构评估表明，随着形态从聚集颗粒转变为纤维结构，晶相的规则性增加，表明该转变是结晶驱动的过程。此外，还证明了纤维状 CuSAr Me向已知半导体 Cu 2 S 的转化，同时保持了纤维状结构并提供了所需的材料。
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