Effect of nanoporous confinement on the phase behaviour of aqueous solutions
纳米孔约束对水溶液相行为的影响
基本信息
- 批准号:530248875
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:
- 资助国家:德国
- 起止时间:
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
The effects of nanoporous confinement on the fundamental properties of condensed matter are numerous. A general understanding of the phase behaviour, dynamic and transport properties of nanoconfined fluids has been acquired for the last two decades from abundant studies that have addressed different aspects such as the capillary condensation, freezing/melting, glassy dynamics, molecular diffusion and liquid imbibition. However, it is notorious that classical descriptions of pure (unary) confined fluids fail to capture entirely the upper level of complexity attained with multicomponent systems. For example, it was recently shown that classical thermodynamics, combining Gibbs-Thomson and Raoult’s laws fail to explain the experimental phase behaviour of binary nanoconfined solutions. In this context, the ultimate aim of the project is to elucidate and model the different phenomena that dictate the phase behaviour (vapor/liquid/glass/crystal) of aqueous solutions in nanoporous materials. This requires addressing important aspects, covering structure and dynamics that have played secondary role or that were simply not relevant for previous physical studies of unary confined liquids. Our project will benefit from carefully designed advanced porousmaterials that will be used as model systems to generate and control the in/homogeneous character of the confined phases. This will allow studying the effects of polydispersed porosity as obtained with hierarchical porous materials, or spatially modulated surface interactions as obtained with porous materials alternating hydrophobic/hydrophilic regions.Organic molecules, molecular ions and inorganic salts will be used as a panel of solutes with controllable size, polarizability and hydrophilic character.
纳米孔限制对凝聚态物质基本性质的影响是多方面的。在过去的二十年里,通过大量的研究,人们对纳米受限流体的相行为、动力学和输运特性有了大致的了解,这些研究涉及到不同的方面,如毛细凝聚、冻结/熔融、玻璃动力学、分子扩散和液体渗吸。然而,众所周知的是,对纯(一元)受限流体的经典描述不能完全捕捉到多组分系统所达到的更高水平的复杂性。例如,最近的研究表明,结合吉布斯-汤姆逊定律和拉乌尔定律的经典热力学不能解释二元纳米受限溶液的实验相行为。在此背景下,该项目的最终目的是阐明和模拟决定纳米多孔材料中水溶液的相行为(蒸气/液体/玻璃/晶体)的不同现象。这需要处理重要的方面,包括起到次要作用或与以前的一元受限液体的物理研究完全无关的结构和动力学。我们的项目将受益于精心设计的先进多孔材料,这些材料将被用作模型系统,以产生和控制受限相的In/均质特性。这将有助于研究分级多孔材料获得的多分散孔隙率的影响,或者通过交替疏水/亲水区域获得的空间调制表面相互作用。有机分子、分子离子和无机盐将被用作一组具有可控尺寸、极化和亲水性的溶质。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Michael Fröba其他文献
Professor Dr. Michael Fröba的其他文献
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{{ truncateString('Professor Dr. Michael Fröba', 18)}}的其他基金
Property Changes of Multiphasic Fluids by Geometrical Confinement in Advanced Mesoporous Materials
先进介孔材料中几何约束引起的多相流体性质变化
- 批准号:
407319385 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
Mesoporöse, organisch-anorganische Festkörper mit chiraler Grenzfläche
具有手性界面的介孔有机-无机固体
- 批准号:
44335999 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Research Grants
Nanoskalige Materialien für den Einsatz in Elektroden und Elektrolyten von Lithium- Hochleistungsbatterien
用于高性能锂电池电极和电解质的纳米材料
- 批准号:
48165871 - 财政年份:2007
- 资助金额:
-- - 项目类别:
Research Grants
Effect of reduced lateral dimensions on the optical and magnetic properties of dilute magnetic and antiferromagnetic nanowires
减少横向尺寸对稀磁和反铁磁纳米线光学和磁性能的影响
- 批准号:
5428761 - 财政年份:2004
- 资助金额:
-- - 项目类别:
Priority Programmes
Synthesis and characterization of organized (magnetic) semi-conductor nanowires
有序(磁性)半导体纳米线的合成和表征
- 批准号:
5166420 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Priority Programmes
Synthese, Charakterisierung und Funktionalisierung mesoporöser Bor-, Aluminium- und Galliumphosphate aus molekularen Vorstufen
从分子前体合成介孔硼、铝和镓磷酸盐的合成、表征和功能化
- 批准号:
5213718 - 财政年份:1999
- 资助金额:
-- - 项目类别:
Priority Programmes
Untersuchungen zur Reaktivität von mesostrukturierten metallischen, intermetallischen sowie metalloxidischen Phasen
研究介观结构金属、金属间化合物和金属氧化物相的反应性
- 批准号:
5124708 - 财政年份:1998
- 资助金额:
-- - 项目类别:
Priority Programmes
Synthese, Charakterisierung und Funktionalisierung mesostrukturierter Metallchalkogenide
介孔结构金属硫属化物的合成、表征和功能化
- 批准号:
5084030 - 财政年份:1997
- 资助金额:
-- - 项目类别:
Priority Programmes
Radical-containing Porous Organosilica Host Phases Studied by Advanced Electron Paramagnetic Resonance Techniques
通过先进电子顺磁共振技术研究含自由基的多孔有机二氧化硅主相
- 批准号:
429839772 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Aqueous Electrolytes in Nanoporous Media: Structure, Dynamics and Electrochemo-Mechanical Actuation
纳米多孔介质中的水电解质:结构、动力学和电化学机械驱动
- 批准号:
509293944 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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