Novel Co3O4 nanobelts based bulk nanoenergetic systems have been developed which are able to generate mild to moderate peak pressure and pressurization rates as demanded in shock wave mediated biomedical applications.
In this work, We report an effective water filtration system based on the photo catalytic performance of semiconducting dense nano-brushes under natural sunlight. During thin-film photocatalysis usually performed by a deposited layer of photocatalyst, a stagnant boundary layer is created near the catalyst which adversely affects the rate of adsorption because of diffusional restrictions. One strategy that may be used is to disrupt this laminar boundary layer by creating a super dense nanostructure near the surface of the catalyst. Furthermore, it is adequate to fabricate a structured filter element for the pass of the water with as nanostructures coming out of the surface. Herein, Dye remediation is performed through solar means. This remediation was initially limited to lower efficiency because of diffusional restrictions but has now turned around as a fast process due to microhole incorporation over filter materials with standing out dense nanostructures. Theoretical analysis predicts that there is an optimal film thickness that yields maximum adsorption and also a highly nonlinear behaviour of diffusivity with respect to fraction adsorbed. The effect of increased surface area due to microholes on fraction adsorbed is also investigated and found that there is an optimum value of hole diameter for maximum adsorption.
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