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Also, the optimum range of concentration of GO and TiO 2 nanoparticles in polyelectrolyte solutions was determined to fabricate the film with the combined features of self-healable, UV-blocking, and anti-fog. The effect of the concentration of GO and TiO 2 nanoparticles on self-healing and UV-protection properties were investigated. Due to the hydrophilic feature of PDDA/PAA molecules, the film also showed the anti-fog property in different environmental conditions. Browse 15,788 images of letter r stock photos and images available, or start a new search to explore more stock photos and images. Chainsaw chain letter R on a white background.

#R letter chain images how to#

An effective UV-block performance was incorporated into the film by using the graphene oxide (GO) and titanium dioxide (TiO 2) nanoparticles as UV-blocking additives. About Can Stock Photo How to Download Photos Browse Stock Photos Image Editor Download.

When scratches occur, the film shows a quick and durable self-healing capability due to the dynamic movement of the flexible polyelectrolyte complex chains at the edges of the scratches. The SSA-LbL method was found to be more efficient and time-saver in making a homogeneous thick film in tens of micrometers, compared to the conventional immersive assembly method which makes thin films in the nanometer range. Herein, a high-performance and multifunctional LbL film was fabricated by using a spin-spray-assisted (SSA-LbL) assembly method with poly(diallyldimethylammonium chloride) (PDDA) and poly(acrylic acid) (PAA).

Layer-by-layer (LbL) deposition of oppositely charged polyelectrolytes has been widely used to make responsive and multifunctional smart films.