NIRT: Dimension Dependent Material Properties of Nanoscopic Macromolecular Structures

NIRT:纳米大分子结构的尺寸依赖性材料特性

基本信息

  • 批准号:
    0210588
  • 负责人:
  • 金额:
    $ 125万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2002
  • 资助国家:
    美国
  • 起止时间:
    2002-08-01 至 2006-07-31
  • 项目状态:
    已结题

项目摘要

Recent work has established that the mass transport and glass transition behavior of polymeric materials can be significantly different in nanoscopic structures than in the bulk. A structure in this case is defined as a physical construct (e.g. a film, a line, or a post). The origin of these differences is not well understood, and it is a subject of considerable debate. Less is known about the mechanical properties of nanoscopic structures, although it is precisely these properties that pose the most immediate and significant challenges to the success of future nanofabrication processes.The PI will conduct a comprehensive study of the thermophysical properties, including transport and mechanical behavior, of polymeric materials in nanoscopic structures. The work seeks to elucidate and establish the general principles that govern the physical and thermal behavior of polymers in such structures. To that end, advanced lithographic techniques capable of mass-producing nanoscopic patterns with dimensions on the scale of tens of nanometers will be developed and refined. The resulting experimental structures will permit the large-scale characterization effort envisaged in this work. Novel experimental strategies will be developed to measure mechanical properties and characterize mechanical behavior. Single-molecule, photobleaching and other spectroscopic experiments will be pursued to establish the connections between dynamics and mechanics. Molecular modeling methods will be developed and implemented for molecular and multi-scale simulations of nanoscopic polymeric structures; these will be used to interpret and rationalize the results of our experimental work.The results generated by this NIRT will fill a serious gap in nanoscience. There will be considerable scientific value in that it will provide much of the data and insights required to understand soft-matter advanced materials at a fundamental level. It will be of considerable technological impact in that it will help the semiconductor and nanofabrication industries target materials, processes, and strategies to manufacture deep sub-100 nm structures for integrated circuits, photonics, sensors, nanoelectromechanical systems, and nanobiotechnology.The research activities will be leveraged considerably by the existence on campus of a Center for Nanotechnology and a Materials Research Science and Engineering Center. These centers will provide access to state-of-the-art nanofabrication and characterization facilities, which are essential for the proposed experiments.A vigorous education and outreach program will be aggressively pursued to bring nanotechnology to pre-college students, teachers and the general public. Through a collaboration with existing, nationally-renowned educational programs at the University of Wisconsin, it will be possible to disseminate the activities and results of the NIRT grant in lectures, exchange programs and internships (for both students and teachers), instructional material development, a web site, and participation in science and technology museums.
最近的研究表明,聚合物材料的质量传递和玻璃化转变行为在纳米结构中与在体结构中有很大的不同。在这种情况下,结构被定义为一个物理结构(例如,一个胶片、一条线或一根柱子)。这些差异的起源还不是很清楚,这是一个相当有争议的话题。人们对纳米结构的机械特性知之甚少,尽管正是这些特性对未来纳米制造工艺的成功构成了最直接和最重要的挑战。PI将对纳米结构下聚合物材料的热物理性质,包括传输和机械行为进行全面的研究。这项工作旨在阐明和建立控制聚合物在这种结构中的物理和热行为的一般原理。为此,先进的光刻技术将得到发展和完善,能够大规模生产尺寸为数十纳米的纳米级图案。由此产生的实验结构将允许本工作中设想的大规模表征工作。将开发新的实验策略来测量机械性能和表征机械行为。将进行单分子、光漂白等光谱实验,建立动力学与力学之间的联系。分子建模方法将用于纳米级聚合物结构的分子和多尺度模拟;这些将被用来解释和合理化我们的实验工作的结果。这个NIRT产生的结果将填补纳米科学的一个严重空白。这将具有相当大的科学价值,因为它将提供在基础水平上理解软物质先进材料所需的大量数据和见解。它将对半导体和纳米制造行业产生相当大的技术影响,因为它将帮助半导体和纳米制造行业瞄准材料、工艺和策略,以制造用于集成电路、光子学、传感器、纳米机电系统和纳米生物技术的深度低于100纳米结构。校园内的纳米技术中心和材料研究科学与工程中心将极大地利用这些研究活动。这些中心将提供最先进的纳米制造和表征设备,这对拟议的实验至关重要。将积极推行一项积极的教育和推广计划,将纳米技术带给大学预科学生、教师和公众。通过与威斯康星大学现有的全国知名教育项目的合作,将有可能传播NIRT赠款的活动和成果,包括讲座、交换项目和实习(针对学生和教师)、教学材料开发、网站和参与科技博物馆。

项目成果

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Paul Nealey其他文献

Basic Research Needs for Transformative Manufacturing
转型制造的基础研究需求
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Cynthia Jenks;Nyung Lee;Jennifer Lewis;C. Kagan;Paul Nealey;P. Braun;Johnathan E. Holladay;Yanqing Gao;D. Sholl;B. Helms;J. Sutherland;J. Greer;C. Spadaccini;E. Holm;A. Rollett;C. Tway
  • 通讯作者:
    C. Tway

Paul Nealey的其他文献

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{{ truncateString('Paul Nealey', 18)}}的其他基金

FuSe: Precise Sequence Specific Block Copolymers for Directed Self-Assembly - Co-Design of Lithographic Materials for Pattern Quality, Scaling, and Manufacturing
FuSe:用于定向自组装的精确序列特定嵌段共聚物 - 用于图案质量、缩放和制造的光刻材料的协同设计
  • 批准号:
    2329133
  • 财政年份:
    2023
  • 资助金额:
    $ 125万
  • 项目类别:
    Continuing Grant
SNM: Scaling Directed Self-Assembly of Block Copolymers for Sub 10 nm Manufacturing
SNM:用于亚 10 nm 制造的嵌段共聚物的缩放定向自组装
  • 批准号:
    1344891
  • 财政年份:
    2013
  • 资助金额:
    $ 125万
  • 项目类别:
    Standard Grant
NSEC: Templated Synthesis and Assembly at the Nanoscale
NSEC:纳米尺度的模板化合成和组装
  • 批准号:
    0425880
  • 财政年份:
    2004
  • 资助金额:
    $ 125万
  • 项目类别:
    Cooperative Agreement
CAREER: Molecular Interfacial Engineering for Advanced Applications
职业:高级应用的分子界面工程
  • 批准号:
    9703207
  • 财政年份:
    1997
  • 资助金额:
    $ 125万
  • 项目类别:
    Continuing Grant
Small Grants for Exploratory Research: Nanofabrication Techniques Based on Two Levels of Molecular Self-Assembly Self-Assembled Monolayers & Ordering of Block Copolymers
探索性研究小额资助:基于两级分子自组装自组装单层的纳米制造技术
  • 批准号:
    9708944
  • 财政年份:
    1997
  • 资助金额:
    $ 125万
  • 项目类别:
    Standard Grant

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