Fabrication of Multilayered Composite Nanofibers Using Continuous Chaotic Printing and Electrospinning: Chaotic Electrospinning

材料科学 静电纺丝 纳米纤维 复合数 纳米结构 电极 超级电容器 制作 复合材料 碳纳米纤维 纳米技术 电容 聚合物 碳纳米管 化学 物理化学 病理 替代医学 医学
作者
Sunshine Holmberg,Norma Alicia Garza-Flores,Mohammad Ali Almajhadi,Carolina Chávez-Madero,Alejandro Lujambio-Angeles,Binny Jind,C. Flores,Christian Mendoza-Buenrostro,Esther Pérez‐Carrillo,H. K. Wickramasinghe,Sergio O. Martínez‐Chapa,Marc Madou,Paul S. Weiss,Mario Moisés Álvarez,Grissel Trujillo‐de Santiago
出处
期刊:ACS Applied Materials & Interfaces [American Chemical Society]
卷期号:13 (31): 37455-37465 被引量:16
标识
DOI:10.1021/acsami.1c05429
摘要

Multi-material and multilayered micro- and nanostructures are prominently featured in nature and engineering and are recognized by their remarkable properties. Unfortunately, the fabrication of micro- and nanostructured materials through conventional processes is challenging and costly. Herein, we introduce a high-throughput, continuous, and versatile strategy for the fabrication of polymer fibers with complex multilayered nanostructures. Chaotic electrospinning (ChE) is based on the coupling of continuous chaotic printing (CCP) and electrospinning, which produces fibers with an internal multi-material microstructure. When a CCP printhead is used as an electrospinning nozzle, the diameter of the fibers is further scaled down by 3 orders of magnitude while preserving their internal structure. ChE enables the use of various polymer inks for the creation of nanofibers with a customizable number of internal nanolayers. Our results showcase the versatility and tunability of ChE to fabricate multilayered structures at the nanoscale at high throughput. We apply ChE to the synthesis of unique carbon textile electrodes composed of nanofibers with striations carved into their surface at regular intervals. These striated carbon electrodes with high surface areas exhibit 3- to 4-fold increases in specific capacitance compared to regular carbon nanofibers; ChE holds great promise for the cost-effective fabrication of electrodes for supercapacitors and other applications.
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