Anti-icing and de-icing film generates its own heat
An anti-icing and de-icing film coating that can apply the photothermal effect of gold nanoparticles without needing heating wires or periodic spraying has been developed at KAIST in South Korea.
The group led by Professor Hyoungsoo Kim from the Department of Mechanical Engineering, and Professor Dong Ki Yoon from the Department of Chemistry has developed a technique that can uniformly pattern gold nanorod (GNR) particles in quadrants through evaporation and have used this to develop the anti-icing and de-icing surface.
Scientists have tried to control substrate surfaces through various coating techniques, and those involving the patterning of functional nanomaterials are said to have gained special attention.
According to KAIST, GNR is considered a promising candidate nanomaterial for its biocompatibility, chemical stability, relatively simple synthesis, and its stable and unique property of surface plasmon resonance.
To maximise the performance of GNR, it is important to achieve a high uniformity during film deposition, and a high level of rod alignment. However, achieving both criteria has been challenging until now.
To solve this, the team utilised cellulose nanocrystal (CNC), a next-generation functional nanomaterial that can be extracted easily from nature.
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