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Surface energy characterization of nanoscale metal using quantitative nanomechanical characterization of atomic force microscopy
- Issue Date
- Mar-2020
- Publisher
- Elsevier B.V.
- Keywords
- Atomic force microscopy; Au; Contact angle; Quantitative nanomechanical characterization; Surface energy; Surface functionalization
- Citation
- Applied Surface Science, v.507
- Journal Title
- Applied Surface Science
- Volume
- 507
- ISSN
- 0169-4332
1873-5584
- Abstract
- Characterization of surface energy is an important step in the development of nano/micro electromechanical systems. However, the conventional surface energy characterization technique is not ideal for nanoscale samples due to the limited volume of liquid droplets. In this study, a novel technique to evaluate the surface energy of nanoscale materials is investigated by using atomic force microscopy (AFM). The contact angle/surface energy of a nanoscale Au wire is determined by measuring the adhesion force by AFM PeakForce-Quantitative Nanomechanical Mapping (PF-QNM) compared to the wetting behavior respectively adhesion force of various hydrophobic/hydrophilic thiol self-assembled monolayers (SAMs). © 2019 Elsevier B.V.
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