Collaborative Research: Friction in Flatland - Contact, Adhesion, and Friction of 2D Materials
合作研究:平地摩擦 - 二维材料的接触、粘附和摩擦
基本信息
- 批准号:1762384
- 负责人:
- 金额:$ 22.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-07-15 至 2022-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Two-dimensional materials are layered materials having atomic- to nano-scale thickness. They are increasingly being explored and used for a multitude of applications that take advantage of the materials' layered structure. However, the properties of the interfaces between the layers are still poorly understood, due in part to challenges associated with direct measurement of such properties at very small length scales. The goal of this project is to obtain a fundamental understanding of the effect of material properties, including composition, phase, and crystallinity, on the critical properties of interfacial contact, adhesion, and friction. This will have broad technological impact, since investigation of layered materials is needed to optimize and transform their use in applications that rely on these critical properties to function effectively. The focus of this research is on layered materials that are relevant to current and emerging applications, including those in the automotive, aerospace, and electronics industries, thereby promoting the progress of science; advancing the national health, prosperity, and welfare; and securing the national defense. The research objectives of this project will be complemented by activities focused on providing opportunities for students from underrepresented groups, including involving the large Hispanic population at University of California Merced and leveraging successful outreach programs at University of Pennsylvania. The team will also engage with pre-college audiences, building on the PIs' track records of public and youth engagement.This project will focus on the nanoscale interfacial contact, adhesion, and friction behavior of transition metal dichalcogenides, including molybdenum disulfide. Research on these materials will be carried out through optimally-matched atomic force microscopy and accelerated molecular dynamics simulations, taking advantage of the unique capabilities of the PIs. Optimal matching allows simulations to be validated by experiments, and experimental findings to be fully explored in atomically-resolved detail by simulations. Availability of probe tips and substrates coated with well-defined, ultrathin transition metal dichalcogenides using recently developed techniques will enable isolation of the effects of composition, phase, and crystallinity for both self-mated and heterostructure interfaces. This novel approach will yield fundamental insights into the mechanical properties of transition metal dichalcogenide interfaces that are needed for rational and predictive design of materials, devices, and systems composed of these materials.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.
二维材料是具有原子至纳米尺度厚度的层状材料。它们越来越多地被探索和用于利用材料的分层结构的多种应用。然而,层之间的界面的性质仍然知之甚少,部分原因是与在非常小的长度尺度上直接测量这些性质相关的挑战。该项目的目标是获得对材料特性(包括成分、相和结晶度)对界面接触、粘附和摩擦的关键特性的影响的基本理解。这将产生广泛的技术影响,因为需要对分层材料进行研究,以优化和改变它们在依赖这些关键特性的应用中的使用。该研究的重点是与当前和新兴应用相关的层状材料,包括汽车,航空航天和电子行业,从而促进科学进步;促进国家健康,繁荣和福利;并确保国防。该项目的研究目标将得到补充,重点是为代表性不足的群体的学生提供机会的活动,包括涉及加州默塞德大学的大量西班牙裔人口,并利用宾夕法尼亚大学的成功推广计划。该团队还将与大学前的观众接触,建立在PI的公众和青年参与的跟踪记录上。该项目将专注于过渡金属二硫属化物(包括二硫化钼)的纳米级界面接触,粘附和摩擦行为。 对这些材料的研究将通过最佳匹配的原子力显微镜和加速分子动力学模拟进行,利用PI的独特功能。最佳匹配允许通过实验验证模拟,并通过模拟在原子分辨率的细节中充分探索实验结果。使用最近开发的技术涂覆有良好定义的、非线性过渡金属二硫属化物的探针尖端和衬底的可用性将使得能够隔离自配对和异质结构界面的组合物、相和结晶度的影响。这种新的方法将产生基本的洞察过渡金属二硫属化物接口的材料,设备和系统组成的这些material.This奖项反映了NSF的法定使命的合理和预测设计所需的机械性能,并已被认为是值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估的支持。
项目成果
期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Bifurcation of nanoscale thermolubric friction behavior for sliding on MoS2
- DOI:10.1103/physrevmaterials.5.083607
- 发表时间:2021-08-26
- 期刊:
- 影响因子:3.4
- 作者:Hasz, Kathryn R.;Vazirisereshk, Mohammad R.;Carpick, Robert W.
- 通讯作者:Carpick, Robert W.
Experiments and simulations of the humidity dependence of friction between nanoasperities and graphite: The role of interfacial contact quality
- DOI:10.1103/physrevmaterials.2.126001
- 发表时间:2018-12-07
- 期刊:
- 影响因子:3.4
- 作者:Hasz, Kathryn;Ye, Zhijiang;Carpick, Robert W.
- 通讯作者:Carpick, Robert W.
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Ashlie Martini其他文献
Mechanical behavior and size–dependent strength of small noble-metal nanoparticles
贵金属纳米小颗粒的力学行为及尺寸相关强度
- DOI:
10.1016/j.actamat.2025.121092 - 发表时间:
2025-07-01 - 期刊:
- 影响因子:9.300
- 作者:
Ruikang Ding;Ashlie Martini;Tevis D.B. Jacobs - 通讯作者:
Tevis D.B. Jacobs
Correction to: Activation Volume in Shear-Driven Chemical Reactions
- DOI:
10.1007/s11249-022-01674-4 - 发表时间:
2022-12-16 - 期刊:
- 影响因子:3.300
- 作者:
Ashlie Martini;Seong H. Kim - 通讯作者:
Seong H. Kim
Effect of polymer structure and chemistry on viscosity index, thickening efficiency, and traction coefficient of lubricants
- DOI:
10.1016/j.molliq.2022.119215 - 发表时间:
2022-08-01 - 期刊:
- 影响因子:
- 作者:
Pawan Panwar;Emily Schweissinger;Stefan Maier;Stefan Hilf;Sofia Sirak;Ashlie Martini - 通讯作者:
Ashlie Martini
Effect of Molecular-Scale Features on the Polymer Coil Size of Model Viscosity Index Improvers
- DOI:
10.1007/s11249-016-0672-0 - 发表时间:
2016-03-31 - 期刊:
- 影响因子:3.300
- 作者:
Uma Shantini Ramasamy;Seth Lichter;Ashlie Martini - 通讯作者:
Ashlie Martini
Macroscale superlubricity enabled by rationally designed MoS2-based superlattice films
- DOI:
10.1016/j.xcrp.2023.101390 - 发表时间:
2023 - 期刊:
- 影响因子:8.9
- 作者:
Siming Ren;Mingjun Cui;Ashlie Martini;Yanbin Shi;Haixin Wang;Jibin Pu;Qunyang Li;Qunji Xue;Liping Wang - 通讯作者:
Liping Wang
Ashlie Martini的其他文献
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{{ truncateString('Ashlie Martini', 18)}}的其他基金
Collaborative Research: Mechanistic Understanding of Chemical Activation in Shear-Driven Manufacturing Processes
合作研究:剪切驱动制造过程中化学活化的机理理解
- 批准号:
2038499 - 财政年份:2021
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
GOALI/Collaborative Research: Understanding Interfacial Mechanisms to Design and Manufacture High-Performance Biodegradable Ionic Liquid Lubricants
GOALI/合作研究:了解界面机制以设计和制造高性能可生物降解离子液体润滑剂
- 批准号:
2010584 - 财政年份:2020
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
2018 Tribology: Progress in Tribology at the Interface Between Disciplines; Gordon Research Conference; Bates College, Lewiston, Maine; June 24-29, 2018
2018年摩擦学:摩擦学学科交叉领域的进展;
- 批准号:
1811957 - 财政年份:2018
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Friction on 2D Materials -- Understanding the Critical Role of Edge Chemistry
合作研究:二维材料上的摩擦——了解边缘化学的关键作用
- 批准号:
1727356 - 财政年份:2017
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Pushing Molecules Around: Identifying and Understanding the Elementary Steps in Tribochemical Reactions
合作研究:推动分子:识别和理解摩擦化学反应的基本步骤
- 批准号:
1634354 - 财政年份:2016
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Understanding the Formation and Separation of Nanoscale Contacts
合作研究:了解纳米级接触的形成和分离
- 批准号:
1537613 - 财政年份:2015
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Research Initiation: Facilitating Design Thinking through Cases
合作研究:研究启动:通过案例促进设计思维
- 批准号:
1544134 - 财政年份:2015
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Temperature Dependence of Atomic Scale Friction
合作研究:原子尺度摩擦的温度依赖性
- 批准号:
1362565 - 财政年份:2014
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Quantitative Prediction of Sliding Friction Using Integrated Theory and Experiments
合作研究:利用理论与实验相结合的滑动摩擦定量预测
- 批准号:
1265594 - 财政年份:2013
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
Collaborative Research: Determining the Physical Mechanisms of Atomic Stick -Slip Friction by Closing the Gap between Experiments and Atomistic Simulations
合作研究:通过缩小实验和原子模拟之间的差距来确定原子粘滑摩擦的物理机制
- 批准号:
1216441 - 财政年份:2012
- 资助金额:
$ 22.88万 - 项目类别:
Standard Grant
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