Thin Films and Self-Assembly Near Contact Lines: Their Structure and Control of Wetting

薄膜和接触线附近的自组装:它们的结构和润湿控制

基本信息

  • 批准号:
    9802290
  • 负责人:
  • 金额:
    $ 43.95万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    1998
  • 资助国家:
    美国
  • 起止时间:
    1998-08-15 至 2002-07-31
  • 项目状态:
    已结题

项目摘要

9802290 Garoff This is small group research proposal involving in two physicists and an engineer. The project will investigate phenomena occurring in the microscopic region near the three-phase contact line where a solid, a wetting liquid and the vapor phase meet. In complex or multi- component fluids, it is qualitatively known that the relative concentration and self-assembly of the components near the contact line and in the thin film differ from those in the bulk or on the interface far from the contact line. However, there is scant quantitative information about what is going on. Using ultrahigh vacuum, optical, x-ray, neutron and atomic force microscopy techniques the researchers will investigate the unique microscopic structures of these films and self-assemblies, and probe how they control macroscopic wetting phenomena. The project will integrate studies of high temperature, metallic systems with studies of room temperature, aqueous and organic systems. The research will improve the understanding of how fluids behave in confined environments and will generally improve our knowledge of how fluids wet and flow over surfaces. The multidisciplinary character of the project provides excellent training for graduate students, preparing them for careers in a range of technical areas. The research is fundamental, but its application to technology in many areas, such as printing and mechanics, is immediate and of high importance. %%% This is small group research proposal involving in two physicists and an engineer. The research is focused on how a fluid wets and flows on a surface. This is a complex problem which is of fundamental importance. It also has great technical importance in areas such as lubrication, detergents, etc. The research group will use ultrahigh vacuum, optical, x-ray, neutron and atomic force microscopy techniques the researchers wi ll investigate the unique microscopic structures of these films and self assemblies, and probe how they control macroscopic wetting phenomena. The project will integrate studies of high temperature, metallic systems with studies of room temperature, aqueous and organic systems. The multidisciplinary character of the project provides excellent training for graduate students, preparing them for careers in a range of technical areas. The research is fundamental, but its application to technology in many areas, such as printing and mechanics, is immediate and of high importance. ***
小行星9802290 这是一个由两名物理学家和一名工程师组成的小组研究计划。该项目将研究在固体、润湿液体和气相相遇的三相接触线附近的微观区域发生的现象。 在复杂或多组分流体中,定性地已知接触线附近和薄膜中的组分的相对浓度和自组装不同于远离接触线的本体或界面上的那些。 然而,关于发生了什么的定量信息很少。 光学的, X射线、中子和原子力 研究人员将研究这些薄膜和自组装体的独特微观结构,并探索它们如何控制宏观润湿现象。该项目将把高温、金属系统的研究与室温、水和有机系统的研究结合起来。这项研究将提高对流体在密闭环境中如何行为的理解,并将普遍提高我们对流体如何润湿和流过表面的知识。 该项目的多学科性质为研究生提供了良好的培训,为他们在一系列技术领域的职业生涯做好准备。这项研究是基础性的,但它在许多领域的技术应用,如印刷和机械,是直接和非常重要的。 这是一个小组研究计划,涉及两名物理学家和一名工程师。研究的重点是流体如何润湿和在表面上流动。 这是一个具有根本重要性的复杂问题。它在润滑、清洁剂等领域也具有很大的技术重要性,研究小组将利用真空吸尘器, 光学的, X射线、中子和原子力 研究人员将研究这些薄膜和自组装体的独特微观结构,并探索它们如何控制宏观润湿现象。该项目将把高温、金属系统的研究与室温、水和有机系统的研究结合起来。 该项目的多学科性质为研究生提供了良好的培训,为他们在一系列技术领域的职业生涯做好准备。 这项研究是基础性的,但它在许多领域的技术应用,如印刷和机械,是直接和非常重要的。 ***

项目成果

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Stephen Garoff其他文献

Diffusiophoretic Transport of Charged Colloids in Ionic Surfactant Gradients Entirely below versus Entirely above the Critical Micelle Concentration
完全低于与完全高于临界胶束浓度的离子表面活性剂梯度中带电胶体的扩散电泳传输
  • DOI:
    10.1021/acs.langmuir.4c00431
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    3.9
  • 作者:
    Angela Yang;Brian E. McKenzie;Benjamin Pavlat;Eric S Johnson;Aditya S. Khair;Stephen Garoff;R. Tilton
  • 通讯作者:
    R. Tilton
Stability of a compound sessile drop at the axisymmetric configuration
  • DOI:
    10.1016/j.jcis.2015.09.043
  • 发表时间:
    2016-01-15
  • 期刊:
  • 影响因子:
  • 作者:
    Ying Zhang;Dominique Chatain;Shelley L. Anna;Stephen Garoff
  • 通讯作者:
    Stephen Garoff

Stephen Garoff的其他文献

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{{ truncateString('Stephen Garoff', 18)}}的其他基金

Dewetting and Rewetting in Marangoni Driven Spreading on Complex Liquid Films
马兰戈尼驱动的复杂液膜铺展中的反润湿和再润湿
  • 批准号:
    1921285
  • 财政年份:
    2019
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Standard Grant
UNS: Surfactant Induced Post-Deposition Dispersal of Solid Particles at Liquid/Air Interfaces with Application to Pulmonary Drug Delivery
UNS:表面活性剂诱导固体颗粒在液体/空气界面的沉积后分散及其在肺部药物输送中的应用
  • 批准号:
    1510293
  • 财政年份:
    2015
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Standard Grant
Surfactant Induced Post-Deposition Transport of Aerosols with Application to Pulmonary Drug Delivery
表面活性剂诱导的气溶胶沉积后传输及其在肺部药物输送中的应用
  • 批准号:
    1159369
  • 财政年份:
    2012
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Continuing Grant
Marangoni Driven Spreading on Entangled Polymer Subphases with Application to Pulmonary Drug Delivery
马兰戈尼驱动的缠结聚合物亚相铺展及其在肺部药物输送中的应用
  • 批准号:
    0931057
  • 财政年份:
    2009
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Standard Grant
Microscale Origins of Wetting in Complex Systems
复杂系统中润湿的微观起源
  • 批准号:
    9411900
  • 财政年份:
    1994
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Continuing Grant
Small Grants for Exploratory Research (SGER): Molecular Structure of Thin Films of Surfactant Solutions on Solid ,
探索性研究小额资助 (SGER):固体表面活性剂溶液薄膜的分子结构,
  • 批准号:
    9015907
  • 财政年份:
    1991
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Standard Grant
Static and Dynamic Wettability: Contact Angles and Their Microscopic Origins
静态和动态润湿性:接触角及其微观起源
  • 批准号:
    9113152
  • 财政年份:
    1991
  • 资助金额:
    $ 43.95万
  • 项目类别:
    Continuing Grant

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IRES 轨道 1:自组装液体和薄膜,用于空气中三线态激子的高效光子上转换
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    2020
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将嵌段共聚物薄膜定向自组装成微电子和纳米制造有用的组织图案。
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