Electro-sprayed PVA coating with texture-enriched surface morphology

A recently published article reports the modified surface morphology of Poly-vinyl Alcohol (PVA) films using electro-spraying coating technique.

In a new study the electro-sprayed humidity sensor showed superior performance. Source: stockphoto-graf – stock.adobe.com. -

Atomic force microscopy (AFM) and scanning electron microscopy (SEM) were conducted to examine the surface structure of the prepared PVA films. Intriguingly, the novel micro-level developed surface, twisted by electro-spraying is very promising for humidity sensors.

The resistivity of the humidity sensors was measured under controlled humidity levels. Owing to the unique surface assembly, the electro-sprayed humidity sensor showed superior performance as compared to the electro-spun PVA based humidity sensor.

The study is published in: Progress in Organic Coatings Volume 117, April 2018, Pages 7-9.

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