“…Carbon fiber supports have also been used in a photoelectrocatalytic process. 28 From cyclic voltammetry (CV) curves recorded at different scan rates (Fig. S7, ESI†), plots of changes in the current density (Δ j ) vs. scan rate ( ν ) are made (Fig.…”
For size- and facet-dependent photoelectrochemical (PEC) activity comparison, Cu2O cubes with average sizes of 58, 213, and 441 nm, octahedra, rhombic dodecahedra, and cuboctahedra were synthesized. The crystals exhibit clear...
“…Carbon fiber supports have also been used in a photoelectrocatalytic process. 28 From cyclic voltammetry (CV) curves recorded at different scan rates (Fig. S7, ESI†), plots of changes in the current density (Δ j ) vs. scan rate ( ν ) are made (Fig.…”
For size- and facet-dependent photoelectrochemical (PEC) activity comparison, Cu2O cubes with average sizes of 58, 213, and 441 nm, octahedra, rhombic dodecahedra, and cuboctahedra were synthesized. The crystals exhibit clear...
“…50 No characteristic absorption peak is attributed to the Ti-O-C bond, demonstrating that TiO 2 nanoparticles were bound to CTs by vdW interaction rather than chemical bonding. 51 Fig. 3g depicts the integration process of flexible TiO 2 @AC/CTs, in which CTs and pre-fabricated TiO 2 @AC core-shell nanospheres are physically integrated together through vdW interactions.…”
So far, the recyclable photocatalysts for large-scale has hardly been mature so far because traditional chemical epitaxial growth are typically limited to materials with highly lattice matching and processing compatibility....
“…Nanocrystalline titanium dioxide (TiO 2 ) is one of the most widely studied semiconductors for photoelectrocatalysis because it is widely available, environmentally friendly and inexpensive [ 32 , 33 ]. TiO 2 can be easily produced by the sol-gel method and hydrothermal/solvothermal method [ 34 ].…”
The attempts to develop efficient methods of solar energy conversion into chemical fuel are ongoing amid climate changes associated with global warming. Photo-electrocatalytic (PEC) water splitting and CO2 reduction reactions show high potential to tackle this challenge. However, the development of economically feasible solutions of PEC solar energy conversion requires novel efficient and stable earth-abundant nanostructured materials. The latter are hardly available without detailed understanding of the local atomic and electronic structure dynamics and mechanisms of the processes occurring during chemical reactions on the catalyst–electrolyte interface. This review considers recent efforts to study photo-electrocatalytic reactions using in situ and operando synchrotron spectroscopies. Particular attention is paid to the operando reaction mechanisms, which were established using X-ray Absorption (XAS) and X-ray Photoelectron (XPS) Spectroscopies. Operando cells that are needed to perform such experiments on synchrotron are covered. Classical and modern theoretical approaches to extract structural information from X-ray Absorption Near-Edge Structure (XANES) spectra are discussed.
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