Parameter Study of Three-Dimensional Printing Graphene Oxide Based on Directional Freezing
Parameter Study of Three-Dimensional Printing Graphene Oxide Based on Directional Freezing
复制标题
基于定向冷冻三维打印氧化石墨烯参数研究
DOI：
10.1115/1.4034669
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发表时间：
2017
影响因子：
4
通讯作者：
Chi Zhou
中科院分区：
文献类型：
--
作者：
Feng Zhang;Feng Yang;D. Lin;Chi Zhou
石墨烯具有优异的电学、热学、光学和力学性能，是最有前途的碳纳米材料之一。然而，要解锁其奇异特性并在现实世界中广泛采用它仍然非常具有挑战性。在本文中，我们介绍了一种新的三维（3D）石墨烯结构打印方法，具有纯氧化石墨烯（GO）材料，更好的层间键合，和复杂的建筑打印能力。详细讨论了与这种新工艺相关的各种参数，以提高印刷适性、可靠性和准确性。我们已经表明，打印质量在很大程度上取决于打印头的占空比，施加的压力，以及在打印过程中的移动速度。一组打印的样品，以证明所提出的技术的有效性沿着的最佳参数设置。所提出的工艺被证明是一种很有前途的3D打印技术，用于制造多尺度纳米材料结构。本文所揭示的理论和研究的参数有望显着推进对所提出的基于定向冷冻的3D纳米打印过程的基本机制的认识和理解。此外，这项研究的成果有可能为制造多功能纳米材料物体开辟一条新的途径。
Graphene is one of the most promising carbon nanomaterial due to its excellent electrical, thermal, optical, and mechanical properties. However, it is still very challenging to unlock its exotic properties and widely adopt it in real-world applications. In this paper, we introduce a new three-dimensional (3D) graphene structure printing approach with pure graphene oxide (GO) material, better interlayer bonding, and complex architecture printing capability. Various parameters related to this novel process are discussed in detail in order to improve the printability, reliability, and accuracy. We have shown that the print quality largely depends on the duty cycle of print head, applied pressure, and traveling velocity during printing. A set of printed samples are presented to demonstrate the effectiveness of the proposed technique along with the optimal parameter settings. The proposed process proves to be a promising 3D printing technique for fabricating multiscale nanomaterial structures. The theory revealed and parameters investigated herein are expected to significantly advance the knowledge and understanding of the fundamental mechanism of the proposed directional freezing-based 3D nano printing process. Furthermore, the outcome of this research has the potential to open up a new avenue for fabricating multifunctional nanomaterial objects.