ISS: Collaborative Research: Examination of the Multi-physical Properties of Microgravity-synthesized Graphene Aerogels

ISS：合作研究：微重力合成石墨烯气凝胶的多物理性质检验

• 批准号: 1929447
• 负责人: Roya Maboudian
• 金额: $ 27.6万
• 依托单位: University of California-Berkeley
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2019
• 资助国家: 美国
• 起止时间: 2019-09-01 至 2023-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1929447&HistoricalAwards=false
• 关键词: ISS; Collaborative; Research; Examination; Multi

Graphene, a two-dimensional (2D) form of carbon, has generated extreme excitement since its discovery in 2004, due to its startling electrical, mechanical, and thermal properties. Yet, difficulties in realizing large-scale manufacturability of graphene has hindered mass adoption into target applications such as nanoelectronics, batteries, sensing and composites. Graphene aerogels, a class of materials made of 2D graphene sheets covalently crosslinked into a three-dimensional (3D) structure, largely retain many of the extraordinary properties of their graphene building blocks but are limited in size only by the container used during synthesis. In this work, graphene-based hydrogel synthesis in gravity (on Earth) and microgravity (on the International Space Station, ISS) conditions will be examined. Through experimentation in microgravity on the ISS, gravity-driven processes such as sedimentation and buoyancy-driven convection will be hindered, and underlying phenomena contributing to graphene aerogel assembly (e.g., random Brownian motion) will be isolated and investigated for the first time. This collaborative program also aims to reach elementary school students, undergraduate students, graduate students and the general public to raise awareness of the fields of nanotechnology and aerospace engineering, as well as careers in academia. To extend the knowledge of space-produced aerogel, we will compare the properties of microgravity-synthesized graphene aerogels to Earth-synthesized aerogels. The objectives are two-fold: (1) to study the growth behavior (cross-linking, agglomeration, drying) of graphene aerogels (GA) synthesis outside the presence of gravity; and (2) to examine and explain the influence of microgravity-based synthesis on the 3-dimensional (3D) mesostructure and multi-physical properties (thermal transport, mechanical behavior, and electrical characteristics) of GAs. Ultimately, this work will provide the foundation for engineering of graphene aerogels (and other aerogels) with highly homogenous microstructures and correspondingly superior electrical, mechanical, and thermal properties to enable a wide variety of Earth and space applications, such as, ultra-lightweight structural materials, supercapacitor and battery electrodes, hydrogen storage, and water treatment membranes. In addition, in-space production of aerogels on the ISS may enable direct use of materials and devices by ISS researchers and for future space missions.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

石墨烯是一种二维（2D）形式的碳，自2004年发现以来，由于其令人震惊的电气，机械性能和热性能而引起极端的兴奋。然而，在实现石墨烯大规模生产性方面的困难阻碍了对纳米电子，电池，传感和复合材料等目标应用的采用。石墨烯气管是由2D石墨烯片制成的一类材料，共价为三维（3D）结构，在很大程度上保留了其石墨烯构件的许多非凡特性，但仅由合成过程中使用的容器限制。在这项工作中，将检查基于石墨烯的水凝胶合成（在地球上）和微重力（在国际空间站，ISS）条件。通过在ISS上进行微重力的实验，将阻碍重力驱动的过程，例如沉积和浮力驱动的对流，并首次隔离并首次隔离并研究了促成石墨烯气瓶组装的基本现象（例如，随机的布朗尼运动）。该合作计划还旨在吸引小学生，本科生，研究生和公众，以提高人们对纳米技术和航空航天工程领域以及学术界的认识。 为了扩展空气生产的气凝胶的知识，我们将比较微粒合成的石墨烯气凝胶的性质与地球合成的气凝胶。这些目标是两个方面：（1）研究石墨烯气凝胶（GA）合成的生长行为（交叉链接，聚集，干燥）在重力的存在之外； （2）检查和解释基于微重力的合成对气体的三维（3D）介质结构和多物理特性（热传输，机械行为和电气特性）的影响。 最终，这项工作将为石墨烯气管（和其他气凝胶）的工程提供基础，这些基础具有高度同质的微观结构以及相应的卓越的电气，机械和热性能，以实现各种各样的地球和空间应用，例如，超轻质的结构材料，超级电池电容器和电池电气电气，氢气储存，氢处理和水处理。此外，ISS上的空气凝胶的空间生产可以使ISS研究人员直接使用材料和设备以及未来的太空任务。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子优点和更广泛影响的评估审查标准来通过评估来获得支持的。

项目成果

Synthesis and characterization of UiO-66-NH2 incorporated graphene aerogel composites and their utilization for absorption of organic liquids

• DOI: 10.1016/j.carbon.2022.09.015
• 发表时间: 2022-09-26
• 期刊: CARBON
• 影响因子: 10.9
• 作者: Li, Zhou;Liu, Chen;Maboudian, Roya
• 通讯作者: Maboudian, Roya

Investigation of mechanical properties and structural integrity of graphene aerogels via molecular dynamics simulations

通过分子动力学模拟研究石墨烯气凝胶的机械性能和结构完整性

• DOI: 10.1039/d3cp02585c
• 发表时间: 2023
• 期刊: Physical Chemistry Chemical Physics
• 影响因子: 3.3
• 作者: Zheng, Bowen;Liu, Chen;Li, Zhou;Carraro, Carlo;Maboudian, Roya;Senesky, Debbie G.;Gu, Grace X.
• 通讯作者: Gu, Grace X.

Ordered porous RGO/SnO 2 thin films for ultrasensitive humidity detection

用于超灵敏湿度检测的有序多孔 RGO/SnO 2 薄膜

• DOI: 10.1039/d3tc00983a
• 发表时间: 2023
• 期刊: Journal of Materials Chemistry C
• 影响因子: 6.4
• 作者: Li, Zhou;Gardner, David W.;Xia, Yong;Zhao, Sikai;Pan, Aifei;Goel, Nishit;Bart, Stephen;Liu, Chen;Yi, Jianxin;Carraro, Carlo
• 通讯作者: Carraro, Carlo