vdWForcesIn2D | Experimental and theoretical determination of van der Waals forces between and within two-dimensional materials

Summary
Two-dimensional (2D) materials have a rich structural diversity and therefore are of high interest for applications in material science, chemistry, and biology. Many applications rely on interfacial stacking of 2D materials, hence understanding interactions between and within 2D materials are of paramount importance. During this fellowship, we will develop a strategy enabling rapid and high-throughput measurements of van der Waals (vdW) forces between 2D materials and their binding energies with each other by using atomic force microscopy. In contrast to existing experimental techniques, we will conduct experiments in the multilayered thin films having various numbers of 2D sheets with metallic, semiconducting, and insulating electronic properties. For this, we will use a tipless cantilever for the long-range macroscopic vdW force measurements between large areas of surface in a fast and reliable way. Next, vdW force measurements within 2D materials will be realized with the help of a new hollow probe. This new construct will allow using freestanding 2D materials for making direct contact with a surface and measurement of binding energy in the format of adhesion energy. Since the binding energy experiments are more complex as highly affected by surface roughness, we believe that this new implementation will help to uncover those properties much accurately. In summary, our experiments will provide much needed experimental benchmarks for the development of theoretical vdW methodologies, analysis of which is proposed in the final work package, while allowing the researcher to reintegrate the European research community after a fruitful post-doc abroad.
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More information & hyperlinks
Web resources: https://cordis.europa.eu/project/id/101033307
Start date: 01-08-2021
End date: 31-07-2023
Total budget - Public funding: 178 320,00 Euro - 178 320,00 Euro
Cordis data

Original description

Two-dimensional (2D) materials have a rich structural diversity and therefore are of high interest for applications in material science, chemistry, and biology. Many applications rely on interfacial stacking of 2D materials, hence understanding interactions between and within 2D materials are of paramount importance. During this fellowship, we will develop a strategy enabling rapid and high-throughput measurements of van der Waals (vdW) forces between 2D materials and their binding energies with each other by using atomic force microscopy. In contrast to existing experimental techniques, we will conduct experiments in the multilayered thin films having various numbers of 2D sheets with metallic, semiconducting, and insulating electronic properties. For this, we will use a tipless cantilever for the long-range macroscopic vdW force measurements between large areas of surface in a fast and reliable way. Next, vdW force measurements within 2D materials will be realized with the help of a new hollow probe. This new construct will allow using freestanding 2D materials for making direct contact with a surface and measurement of binding energy in the format of adhesion energy. Since the binding energy experiments are more complex as highly affected by surface roughness, we believe that this new implementation will help to uncover those properties much accurately. In summary, our experiments will provide much needed experimental benchmarks for the development of theoretical vdW methodologies, analysis of which is proposed in the final work package, while allowing the researcher to reintegrate the European research community after a fruitful post-doc abroad.

Status

CLOSED

Call topic

MSCA-IF-2020

Update Date

28-04-2024
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Horizon 2020
H2020-EU.1. EXCELLENT SCIENCE
H2020-EU.1.3. EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions (MSCA)
H2020-EU.1.3.2. Nurturing excellence by means of cross-border and cross-sector mobility
H2020-MSCA-IF-2020
MSCA-IF-2020 Individual Fellowships