Functional nanoparticle arrays produced by dewetting of thin metallic films

通过金属薄膜去湿产生的功能性纳米颗粒阵列

基本信息

项目摘要

The exact geometric arrangement of monodisperse nanoparticles over large areas has an enormous potential for applications in technical areas like in energy technology, metamaterials, plasmonics, sensorics, DNA detection, and catalysis for ordered nanowire and nanotube growth. Dewetting of thin films as a self-organized simple process is very interesting for the preparation of ordered nanoparticle arrays on a large scale. Deficiencies in the understanding of the dewetting process especially for thin multilayers will be solved in this project. A major point is the detailed nanostructuring of the substrates, allowing the separation and the design of the processes. Strategies will be worked out leading to the ability of a perfect two-dimensional ordering of monodisperse nanoparticle arrays. With that the interactions in the 2D nanoparticle arrays will be studied and it will be investigated how functionalities can be achieved reaching far beyond that of single nanoparticles. In addition, as a new approach, also the dewetting of bi- and multilayer films is investigated. Completely new effects and deviations from thermodynamic equilibrium are expected. The formation of nanoalloys and the nanoseparation effects after dewetting of bi-layers is investigated. Their properties and their potential for new applications are investigated.
单分散纳米颗粒在大面积上的精确几何排列在技术领域具有巨大的应用潜力,如能源技术,超材料,等离子体,传感器,DNA检测和催化有序纳米线和纳米管生长。薄膜去湿作为一种简单的自组织过程,在大规模制备有序纳米粒子阵列方面具有重要意义。这个项目将解决在去湿过程的理解,特别是薄多层膜的缺陷。主要的一点是基板的详细纳米结构化,允许分离和工艺设计。策略将制定出一个完美的单分散纳米粒子阵列的二维有序的能力。由此,将研究2D纳米颗粒阵列中的相互作用,并研究如何实现远远超出单个纳米颗粒的功能。此外,作为一种新的方法,还研究了双层和多层膜的去湿。完全新的影响和偏离热力学平衡的预期。研究了双层膜去湿后纳米合金的形成和纳米分离效果。它们的性能和新的应用潜力进行了研究。

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)
Fabrication of hollow gold nanoparticles by dewetting, dealloying and coarsening
  • DOI:
    10.1016/j.actamat.2015.09.024
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    9.4
  • 作者:
    A. Kosinova;Dong Wang;P. Schaaf;O. Kovalenko;L. Klinger;E. Rabkin
  • 通讯作者:
    A. Kosinova;Dong Wang;P. Schaaf;O. Kovalenko;L. Klinger;E. Rabkin
Solid-state dewetting of Au/Ni bilayers: The effect of alloying on morphology evolution
  • DOI:
    10.1063/1.4891448
  • 发表时间:
    2014-07-28
  • 期刊:
  • 影响因子:
    3.2
  • 作者:
    Herz, A.;Wang, D.;Schaaf, P.
  • 通讯作者:
    Schaaf, P.
Facet-controlled phase separation in supersaturated Au-Ni nanoparticles upon shape equilibration
  • DOI:
    10.1063/1.4928627
  • 发表时间:
    2015-08-17
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Herz, A.;Friak, M.;Schaaf, P.
  • 通讯作者:
    Schaaf, P.
Solid-state dewetting of single- and bilayer Au-W thin films: Unraveling the role of individual layer thickness, stacking sequence and oxidation on morphology evolution
  • DOI:
    10.1063/1.4944348
  • 发表时间:
    2016-03-01
  • 期刊:
  • 影响因子:
    1.6
  • 作者:
    Herz, A.;Franz, A.;Schaaf, P.
  • 通讯作者:
    Schaaf, P.
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Professor Dr. Peter Schaaf其他文献

Professor Dr. Peter Schaaf的其他文献

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{{ truncateString('Professor Dr. Peter Schaaf', 18)}}的其他基金

Design und Herstellung von nanostrukturierten Funktionsschichten
纳米结构功能层的设计和生产
  • 批准号:
    49927045
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Heisenberg Fellowships
MAXCoat - Deposition and Properties of MAX phase functional films and coatings
MAXCoat - MAX 相功能薄膜和涂层的沉积和性能
  • 批准号:
    48226766
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Hochtemperatur-Funktionalisierung von adaptiven Oberflächen-Mikrostrukturen - "Haifischhaut" (Strömungsoptimierung) und Selbstreinigung -
自适应表面微结构的高温功能化——“鲨鱼皮”(流动优化)和自清洁——
  • 批准号:
    41775522
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Direct Laser Synthesis by Laser irridiation of Materials surfaces in reactive Atmospheres
通过在反应性气氛中激光照射材料表面进行直接激光合成
  • 批准号:
    5375543
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Laser-Nitrieren von Eisenwerkstoffen: Einflüsse des Werkstoffes, des Prozeßgases, der Laser-Frequenz und der Pulsdauer auf das Stickstoffprofil, die Phasenbildung und die daraus resultierenden mechanischen Eigenschaften
铁材料的激光渗氮:材料、工艺气体、激光频率和脉冲持续时间对氮分布、相形成和由此产生的机械性能的影响
  • 批准号:
    5278926
  • 财政年份:
    1996
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Thermomechanical stress and deformation effects in reactive Al/Ni multilayers for debonding
反应性 Al/Ni 多层脱粘的热机械应力和变形效应
  • 批准号:
    426206394
  • 财政年份:
  • 资助金额:
    --
  • 项目类别:
    Research Grants

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