色色啦

Department of Electrical Engineering and Automation

Scanning droplet adhesion microscopy

Research | Robotic Instruments

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Aalto University / Robotics Instrument Group: Scanning Droplet Adhesion Microscopy / photo: Matti Hokkanen
SDAM's force-sensative water droplet probe. | Photo by Matti Hokkanen/Aalto University

We have invented  (SDAM) to measure the fine wetting details of water-repellent surfaces. SDAM does not require a direct line of sight of the contact area, allowing measurement of uneven surfaces such as fabrics or biological surfaces. It is extremely sensitive and 1000 times more precise than the previous wetting characterization methods. In addition, it can detect wetting properties of microscopic functional features that were previously very difficult to measure. The method has been applied in the characterization of novel materials, including ,  , and various .

Scanning droplet adhesion microscopy
Scanning droplet adhesion microscope.

Selected publications:

  1. Liimatainen, V., Vuckovac, M., Jokinen, V., Sariola, V., Hokkanen, M., Zhou, Q., Ras, R.H.A., 鈥溾,&苍产蝉辫;Nature Communications, 8, 1798, 2017.
  2. Wang, D., Sun, Q., Hokkanen, M.J., Zhang, C., Lin, F.Y., Liu, Q., Zhu, S.P., Zhou, T., Chang, Q., He, B. Zhou, Q., Chen., L, Ras, R., Deng, X., 鈥", Nature, 582(7810), pp.55-59, 2020.
  3. Hokkanen M.J., Backholm M., Vuckovac, M., Zhou, Q., Ras R.H.A., 鈥溾, Advanced Materials, 2105130, 2021.
  4. Dong, Z., Schumann, M.F., Hokkanen, M.J., Chang, B., Welle, A., Zhou, Q., Ras, R.A.H., Xu, Z., Wegener, M., and Levkin, P.A., 鈥溾,&苍产蝉辫;Advanced Materials, 1803890, 2018.
  5. Dong, Z., Vuckovac, M., Cui, W., Zhou, Q., Ras, R.H. and Levkin, P.A., "", Advanced Materials, 33(45), p.2106068, 2021.
Research | Robotic Instruments
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