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Fabrication of patterned graphitized carbon wires using low voltage near-field electrospinning, pyrolysis, electrodeposition, and chemical vapor deposition

引用

Microsystems & Nanoengineering 2020年第1期6卷 1341-1352页

作者： Derosh George Adrian Garcia Quang Pham Mario Ramos Perez Jufeng Deng Michelle Trang Nguyen Tuo Zhou Sergio OMartinez-Chapa yoonjin won Chong Liu Roger CLo Regina Ragan Marc Madou Mechanical and Aerospace Engineering University of CaliforniaIrvineUSA Chemical Engineering and Materials Science University of CaliforniaIrvineUSA Materials and Manufacturing Technology University of CaliforniaIrvineUSA School of Engineering and Sciences Tecnologico de MonterreyMonterreyMexico Mechanical Engineering Dalian University of TechnologyDalianChina Chemical Engineering California State UniversityLong BeachUSA Present address:Mechanical Engineering Centro de Ensenanza Tecnica y Superior UniversidadMexicaliMexico

We herein report a high-resolution nanopatterning method using low voltage electromechanical spinning with a rotating collector to obtain aligned graphitized micro and nanowires for carbon nanomanufacturing.A small wire diameter and a small inter-wire spacing were obtained by controlling the electric field,the spinneret-to-collector distance,the pyrolysis parameters,the linear speed of the spinneret,the rotational speed of the *** a simple scaling analysis,we show how the straightness and the diameter of the wires can be controlled by the electric field and the distance of the spinneret to the collector.A small inter-wire spacing,as predicted by a simple model,was achieved by simultaneously controlling the linear speed of the spinneret and the rotational speed of the *** drying of the polymer nanowires enabled the facile fabrication of suspended wires over various *** polyacrylonitrile wires were carbonized using standard stabilization and pyrolysis to obtain carbon *** carbon nanowires with a diameter of<50 nm were *** also established a method for making patterned,highly graphitized structures by using the aforementioned carbon wire structures as a template for chemical vapor deposition of *** patterning technique offers high throughput for nano writing,which outperforms other existing nanopatterning techniques,making it a potential candidate for large-scale carbon nanomanufacturing.

关键词： nanowires carbon field

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