Surface Science Blog

How to measure dynamic contact angles on superhydrophobic surfaces

Posted by Susanna Laurén on January 17, 2017

Superhydrophobic surfaces are gaining more and more attention as new applications for them arises. For surface to be superhydrophobic, it has to fulfil two requirements. The static contact angle has to be over 150 degrees but in addition to that, the surface has to have a low contact angle hysteresis. For this reason, measurement of dynamic contact angles is especially important when superhydrophobic surfaces are studied.

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Topics: Contact Angle, superhydrophobic surfaces

Durability of superhydrophobic surfaces – the biggest obstacle towards real life applications

Posted by Susanna Laurén on November 8, 2016

Superhydrophobic surfaces were an instant hit in the scientific community when they were introduced over two decades ago. Since then thousands of publications have documented superhydrophobicity being achieved on various different substrates, from glass to fabrics.


The great potential of superhydrophobic surfaces was apparent early on. Applications ranging from self-cleaning windows to anti-acing surfaces and non-wetting fabrics appear commonly in the literature.

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Topics: superhydrophobic surfaces

Advances in Wettability Analysis for Superhydrophobic Surfaces

Posted by Maiju Pöysti on May 12, 2016

Superhydrophobic surfaces toward real-world applications


 

 

Soft Matter and Wetting research group at Aalto University published insights about superhydrophobic surfaces in Science recently1. The non-wetting surfaces have experienced an enormous boost of interest after the observation of superhydrophobicity and self-cleaning effect in natural lotus leaves.

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Topics: Contact Angle, superhydrophobic surfaces