Roll-To-Roll Electrostatic Printing for Manufacturing Few-Layer-Graphenes

用于制造少层石墨烯的卷对卷静电印刷

• 批准号: 1232883
• 负责人: Xiaogan Liang
• 金额: $ 40.46万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-09-01 至 2015-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1232883&HistoricalAwards=false
• 关键词: Roll; Electrostatic; Printing; Manufacturing; Few

This grant provides funding to develop roller-based electrostatic printing systems for massively producing pristine, orderly arranged few-layer-graphene structures for scale-up applications in electronics and optoelectronics. The primary research objectives are to (i) experimentally study roll-to-roll and roll-to-plate electrostatic transfer-printing processes, aiming to enable the continuous production of device patterns of few-layer-graphenes on inch-scale wide substrates with a high throughput; (ii) obtain an in-depth understanding of underlying scientific mechanisms associated with the precise exfoliation of atomically layered structures of van der Waals solids through the modeling of roll-to-roll processes using dynamic simulation tools; (iii) quantitatively identify the effects of key processing parameters, such as printing pressure, electric strength, and roller speed on the final printing quality in terms of transfer efficiency, uniformity of graphene thickness over substrates, density of defects, and electrical properties of printed graphenes; and (iv) explore the novel application of electrostatic printing in the fabrication of graphene-based optical devices.The successful completion of this work will broadly contribute fundamental knowledge in the areas of high-speed manufacturing technologies and significantly expand the capability to process emerging atomically layered materials. It is anticipated that the proposed roll-to-roll electrostatic printing techniques, if successfully realized, will surpass the capability of current technologies for producing few-layer-graphenes in terms of a high degree of material crystallinity comparable to that of the best crystal graphite, a high degree of simplicity for realizing multi-scale patterning, a high roll-to-roll throughput 50 ft/min, and a low patterning cost less than $2/m2. It also holds the significant potential to be developed into cost-effective, environment-friendly industrial manufacturing processes that can address global needs for addressing future energy needs and US industrial competitiveness. In addition, the program will provide new education and outreach opportunities for involving K-12 students and underrepresented undergraduates into manufacturing-related research activities.

该赠款为开发基于滚筒的静电印刷系统提供资金，以大规模生产原始的，有序排列的几层 - 透明烯结构，用于电子和光电中的扩展应用。主要的研究目标是（i）实验研究卷到滚动和板到板到板到板到静电转移打印过程，旨在使在英寸尺度的宽底物上连续生产具有高吞吐量的宽码的设备图案； （ii）通过使用动态模拟工具对范德华固体的原子分层结构的精确去角质相关的基本科学机制获得深入的理解； （iii）定量确定关键处理参数的影响，例如打印压力，电力强度和滚轮速度对传递效率的最终打印质量，石墨烯厚度超出基板的均匀性，缺陷的密度以及印刷石墨烯的电气性能； （iv）探索静电印刷在基于石墨烯的光学设备制造中的新颖应用。这项工作的成功完成将在高速制造技术领域广泛地贡献基本知识，并显着扩大了处理原子化层次分层材料的能力。 It is anticipated that the proposed roll-to-roll electrostatic printing techniques, if successfully realized, will surpass the capability of current technologies for producing few-layer-graphenes in terms of a high degree of material crystallinity comparable to that of the best crystal graphite, a high degree of simplicity for realizing multi-scale patterning, a high roll-to-roll throughput 50 ft/min, and a low patterning cost less than $2/m2.它还具有将发展成经济高效，环境友好的工业制造过程发展的巨大潜力，这些工业可以满足满足未来能源需求和美国工业竞争力的全球需求。此外，该计划将提供新的教育和推广机会，以使K-12学生参与与制造业相关的研究活动的代表性不足。