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Showing posts from May, 2021

Designing of Corrosion Resistant Alloys via Percolation Theory

Canada and USA Scientists have reported on designing of corrosion-resistant alloys via percolation theory and published in Nature Materials on 01 February 2021. Nickel–chromium, Iron–chromium binary alloys can serve as the prototypical corrosion-resistant metals owing to its presence of a nanometre-thick protective passive oxide film. The main key criterion for good passive behavior is the passive film should be compromised via a scratch or abrasive wear that can be reformed with a little metal dissolution. This could be a principal reason for the stainless steels and other chromium containing alloys that are used for critical applications which ranges from nuclear reactor components to biomedical implants. A long-standing unanswered question in corrosion science is the unravelling of the compositional dependence of the electrochemical behavior of the alloys [ 1, 2 ]. The discovery of the family of these alloys were increased its rate with the advent of artificial intelligence, da

Hot Hole-Deriven Water Splitting via LSPR Metal Nanostructures

The localized surface plasmon resonance (LSPR) in metal nanostructures is one of the most efficient materials for the futuristic energy, environmental science and industry. The new era is the ability to significantly drive and promote photocatalytic reactions and photodetection which acts as an interfacial energy transfer to adsorbate molecules and semiconductors.  The combination of plasmonic noble metallic nanostructures with semiconductors for plasmon-enhanced visible light-driven water splitting (WS) has attracted considerable attention. WS is one of the most capable way to save solar energy into other useful energy applications. In WS, solar energy is converted to chemical energy mainly in the form of hydrogen and oxygen. Some of the review reports indicate that the highest reported quantum efficiency for overall WS achieved is 57% with NiO/NaTaO 3 :La photocatalyst under the excitation wavelength of 270 nm [1]. Its large scale commercial applications are still lacking due to