High performance silicon nanowires/ruthenium nanoparticles micro-supercapacitors

Abstract

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Synergistic Cascade Hydrogen Evolution Boosting via Integrating Surface Oxophilicity Modification with Carbon Layer Confinement

“…[ 1b ] High‐resolution XPS spectra of the Ru 3p regions (Figure 1g) were split into 3p 3/2 and 3p 1/2 doublets owing to the spin‐orbit coupling, the Ru 3p peaks located at 461.5 and 483.8 eV could be assigned to metallic Ru 3p 3/2 and Ru 3p 1/2 with a characteristic spin orbit splitting of 22.3 eV. [ 11,17 ] Meanwhile, another pair of small peaks with a binding energy of 465.4 and 486.9 eV corresponding to the positively charged Ru species were also observed, suggesting the oxidation of metallic Ru upon exposed to oxygen. [ 18 ] Given that the positively charged Ru species could be reduced into metallic status under HER‐relevant potential, the trace amount of ruthenium oxides was not taken into consideration in our catalyst system.…”

Synthesis, characterization, and photocatalytic efficiency of a new smart PdO oxide nanomaterials for using in the recycling and sustainable wastewater treatment

“…Providing a clean environment that is free of any pollutants, toxic and hazardous or otherwise, is an important concern of scientists world-wide and this goal can be achieved with the help of environmentally friendly chemistry using transition metal oxides. These oxides, like RuO 2 , Co 3 O 4 , TiO 2 , NiO, PdO, MnO 2 , ZnO, In 2 O 3 , SnO 2 , and TiO 2 , possess good semiconductor properties, like a significant band gap, as well as transport and optical properties that utilize transition metal oxides for different advanced photocatalytic applications [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. Many pollutants and toxic and hazardous substances, like textile dyes, pesticides, and pharmaceutical drugs, were removed from environments based on photocatalytic degradation in visible light catalyzed by nanostructured transition metal oxides because the metal oxides, in nano-scale ranges, possess high surface areas and improved reactive sites [15][16][17][18][19][20][21][22].…”

State-of-the-art anodes of potassium-ion batteries: synthesis, chemistry, and applications

“…In addition, the minor electrochemical activity was likely capacitive in nature as various engineered nanosilicon materials can act as supercapacitor electrode materials. [184][185][186] Therefore, to further expand the application of silicon-based anodes with high theoretical capacity in KIBs, it is crucial to nd an ingenious way to break through the inert nature of silicon in the near future by conducting in-depth studies.…”