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This reprint focuses on new trends in photo-electrocatalysis, specifically addressed to the remediation of wastewater and energy production. The remediation of wastewater, up to a level that is acceptable for discharge into receiving waterbodies, involves an ever-growing demand of energy, so effective and low-energy treatment processes are highly desirable. Among the other treatments, photo- and photo-electrochemical treatment processes may be considered as advanced oxidation processes (AOP), which are based on the generation of OH radicals, strong oxidizing agents able to indiscriminately degrade even the most persistent organic compounds. Photocatalysis and photo-electrocatalysis can be considered as effective methods for organic degradation, especially when the semiconductor is active in the range of visible light. Several results are presented on new morphologies and structures, which allow more photoactive, visibly responsive, and stable materials, as well as studies on combined processes in which photo- or photo-electrochemistry contribute to an increase in the sustainability of the whole process, lowering costs and achieving the most valuable final products. In view of the circular economy concept, microbial fuel cell systems are also considered as possible way to recover energy from organic pollutants contained in wastewater.
Research & information: general --- Biology, life sciences --- composite --- polymethylmethacrylate --- photocatalytic oxidation --- titanium dioxide --- tetracycline --- ethanol --- photocatalysis --- silver(II) oxide --- mechanical mixture --- in situ deposition --- hydrogen evolution --- Anodic oxidation --- diamond electrodes --- UV irradiation --- ultrasounds --- amoxicillin --- ampicillin --- Composite catalysts --- synergy effect --- solar energy --- wastewater remediation --- photoelectrocatalysis --- TiO2 nanostructures --- Au nanoparticles --- water splitting --- bisphenol A oxidation --- ZnFe2O4 --- degree of inversion --- cation distribution --- photoelectrochemical activity --- porous nickel --- selective corrosion --- hydrogen evolution reaction --- metal sulfides --- H2 production --- photocatalyst --- facet effect --- light trapping --- crystal size --- non-precious metal catalysts --- Cu–B alloy --- microbial fuel cell --- cathode --- environmental engineering --- oxygen electrode --- renewable energy sources --- graphitic carbon nitride --- H2 generation --- Ni–Co catalyst --- electricity production --- advanced oxidation processes --- azo dye --- sustainable resources --- niobium --- water reuse --- water treatment --- AOPs --- zinc oxide --- nanoclusters --- UVA --- visible light --- photocatalytic reduction --- CO2 --- TiO2 photocatalysts --- surface modification --- solar fuel --- magnetron sputtering --- titanium dioxide (TiO2) film --- photocatalytic activity --- metal and non-metal doping --- optical properties --- n/a --- Cu-B alloy --- Ni-Co catalyst
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This reprint focuses on new trends in photo-electrocatalysis, specifically addressed to the remediation of wastewater and energy production. The remediation of wastewater, up to a level that is acceptable for discharge into receiving waterbodies, involves an ever-growing demand of energy, so effective and low-energy treatment processes are highly desirable. Among the other treatments, photo- and photo-electrochemical treatment processes may be considered as advanced oxidation processes (AOP), which are based on the generation of OH radicals, strong oxidizing agents able to indiscriminately degrade even the most persistent organic compounds. Photocatalysis and photo-electrocatalysis can be considered as effective methods for organic degradation, especially when the semiconductor is active in the range of visible light. Several results are presented on new morphologies and structures, which allow more photoactive, visibly responsive, and stable materials, as well as studies on combined processes in which photo- or photo-electrochemistry contribute to an increase in the sustainability of the whole process, lowering costs and achieving the most valuable final products. In view of the circular economy concept, microbial fuel cell systems are also considered as possible way to recover energy from organic pollutants contained in wastewater.
composite --- polymethylmethacrylate --- photocatalytic oxidation --- titanium dioxide --- tetracycline --- ethanol --- photocatalysis --- silver(II) oxide --- mechanical mixture --- in situ deposition --- hydrogen evolution --- Anodic oxidation --- diamond electrodes --- UV irradiation --- ultrasounds --- amoxicillin --- ampicillin --- Composite catalysts --- synergy effect --- solar energy --- wastewater remediation --- photoelectrocatalysis --- TiO2 nanostructures --- Au nanoparticles --- water splitting --- bisphenol A oxidation --- ZnFe2O4 --- degree of inversion --- cation distribution --- photoelectrochemical activity --- porous nickel --- selective corrosion --- hydrogen evolution reaction --- metal sulfides --- H2 production --- photocatalyst --- facet effect --- light trapping --- crystal size --- non-precious metal catalysts --- Cu–B alloy --- microbial fuel cell --- cathode --- environmental engineering --- oxygen electrode --- renewable energy sources --- graphitic carbon nitride --- H2 generation --- Ni–Co catalyst --- electricity production --- advanced oxidation processes --- azo dye --- sustainable resources --- niobium --- water reuse --- water treatment --- AOPs --- zinc oxide --- nanoclusters --- UVA --- visible light --- photocatalytic reduction --- CO2 --- TiO2 photocatalysts --- surface modification --- solar fuel --- magnetron sputtering --- titanium dioxide (TiO2) film --- photocatalytic activity --- metal and non-metal doping --- optical properties --- n/a --- Cu-B alloy --- Ni-Co catalyst
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This reprint focuses on new trends in photo-electrocatalysis, specifically addressed to the remediation of wastewater and energy production. The remediation of wastewater, up to a level that is acceptable for discharge into receiving waterbodies, involves an ever-growing demand of energy, so effective and low-energy treatment processes are highly desirable. Among the other treatments, photo- and photo-electrochemical treatment processes may be considered as advanced oxidation processes (AOP), which are based on the generation of OH radicals, strong oxidizing agents able to indiscriminately degrade even the most persistent organic compounds. Photocatalysis and photo-electrocatalysis can be considered as effective methods for organic degradation, especially when the semiconductor is active in the range of visible light. Several results are presented on new morphologies and structures, which allow more photoactive, visibly responsive, and stable materials, as well as studies on combined processes in which photo- or photo-electrochemistry contribute to an increase in the sustainability of the whole process, lowering costs and achieving the most valuable final products. In view of the circular economy concept, microbial fuel cell systems are also considered as possible way to recover energy from organic pollutants contained in wastewater.
Research & information: general --- Biology, life sciences --- composite --- polymethylmethacrylate --- photocatalytic oxidation --- titanium dioxide --- tetracycline --- ethanol --- photocatalysis --- silver(II) oxide --- mechanical mixture --- in situ deposition --- hydrogen evolution --- Anodic oxidation --- diamond electrodes --- UV irradiation --- ultrasounds --- amoxicillin --- ampicillin --- Composite catalysts --- synergy effect --- solar energy --- wastewater remediation --- photoelectrocatalysis --- TiO2 nanostructures --- Au nanoparticles --- water splitting --- bisphenol A oxidation --- ZnFe2O4 --- degree of inversion --- cation distribution --- photoelectrochemical activity --- porous nickel --- selective corrosion --- hydrogen evolution reaction --- metal sulfides --- H2 production --- photocatalyst --- facet effect --- light trapping --- crystal size --- non-precious metal catalysts --- Cu-B alloy --- microbial fuel cell --- cathode --- environmental engineering --- oxygen electrode --- renewable energy sources --- graphitic carbon nitride --- H2 generation --- Ni-Co catalyst --- electricity production --- advanced oxidation processes --- azo dye --- sustainable resources --- niobium --- water reuse --- water treatment --- AOPs --- zinc oxide --- nanoclusters --- UVA --- visible light --- photocatalytic reduction --- CO2 --- TiO2 photocatalysts --- surface modification --- solar fuel --- magnetron sputtering --- titanium dioxide (TiO2) film --- photocatalytic activity --- metal and non-metal doping --- optical properties --- composite --- polymethylmethacrylate --- photocatalytic oxidation --- titanium dioxide --- tetracycline --- ethanol --- photocatalysis --- silver(II) oxide --- mechanical mixture --- in situ deposition --- hydrogen evolution --- Anodic oxidation --- diamond electrodes --- UV irradiation --- ultrasounds --- amoxicillin --- ampicillin --- Composite catalysts --- synergy effect --- solar energy --- wastewater remediation --- photoelectrocatalysis --- TiO2 nanostructures --- Au nanoparticles --- water splitting --- bisphenol A oxidation --- ZnFe2O4 --- degree of inversion --- cation distribution --- photoelectrochemical activity --- porous nickel --- selective corrosion --- hydrogen evolution reaction --- metal sulfides --- H2 production --- photocatalyst --- facet effect --- light trapping --- crystal size --- non-precious metal catalysts --- Cu-B alloy --- microbial fuel cell --- cathode --- environmental engineering --- oxygen electrode --- renewable energy sources --- graphitic carbon nitride --- H2 generation --- Ni-Co catalyst --- electricity production --- advanced oxidation processes --- azo dye --- sustainable resources --- niobium --- water reuse --- water treatment --- AOPs --- zinc oxide --- nanoclusters --- UVA --- visible light --- photocatalytic reduction --- CO2 --- TiO2 photocatalysts --- surface modification --- solar fuel --- magnetron sputtering --- titanium dioxide (TiO2) film --- photocatalytic activity --- metal and non-metal doping --- optical properties
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Electrochemical surface science (EC-SS) is the natural advancement of traditional surface science (where gas–vacuum/solid interfaces are studied) to liquid (solution)/electrified solid interfaces. Such a merging between two different disciplines—i.e., surface science (SS) and electrochemistry—officially advanced ca. three decades ago. The main characteristic of EC-SS versus electrochemistry is the reductionist approach undertaken, inherited from SS and aiming to understand the microscopic processes occurring at electrodes on the atomic level. A few of the exemplary keystone tools of EC-SS include EC-scanning probe microscopies, operando and in situ spectroscopies and electron microscopies, and differential EC mass spectrometry (DEMS). EC-SS indirectly (and often unconsciously) receives a great boost from the requirement for rational design of energy conversion and storage devices for the next generation of energetic landscapes. As a matter of fact, the number of material science groups deeply involved in such a challenging field has tremendously expanded and, within such a panorama, EC and SS investigations are intimately combined in a huge number of papers. The aim of this Special Issue is to offer an open access forum where researchers in the field of electrochemistry, surface science, and materials science could outline the great advances that can be reached by exploiting EC-SS approaches. Papers addressing both the basic science and more applied issues in the field of EC-SS and energy conversion and storage materials have been published in this Special Issue.
Pd thin films --- n/a --- Auger-Electron Spectroscopy --- benchmarking --- potential-dependent structures --- CO electro-oxidation --- surface reconstruction --- photo-electrochemistry --- nitrogen doping --- potential stepping --- DFT --- nanoparticles --- carbon nanofiber --- Pd --- gas diffusion electrode --- flexible ITO --- UPS --- palladium --- Lead OPD --- formic acid oxidation --- cobalt oxide --- adsorbed OH --- electrochemistry --- Pt --- mesopore --- DMFC --- pH and concentration effects --- solvothermal method --- direct methanol fuel cells --- EF-PEEM --- PVDF --- self-assembly --- PEMFC --- hard X rays --- photochemistry --- EQCM --- potential cycling --- surface alloy --- near ambient pressure XPS --- cobalt-based electrocatalyst --- silver single crystals --- Cu(111) --- electrodeposited alloys --- Pt single-crystal electrodes --- SOFC --- TiO2 --- oxygen evolution reaction --- silicon nanoparticles --- pump & --- graphitization --- in situ EC-STM --- oxygen reduction --- gold --- diazonium salts --- Au --- micropore --- solid/liquid interface --- XPS --- XAFS --- surface chemistry --- electrosynthesis --- porous fiber --- surface science --- click chemistry --- adhesion --- in situ --- methanol oxidation reaction --- hydroxyl radical --- mass transport --- free electron laser --- cyclic voltammetry --- redox properties --- electro-oxidation --- X-ray absorption spectroscopy --- hydrogen adsorption --- electrodeposition --- electrocatalysis --- Ordered mesoporous carbon --- Corrosion Protection --- electrochemical interface --- cyclic voltammetry (CV) --- FEXRAV --- photoelectron simulations --- Pt–Ru catalysts --- d-band theory --- bimetallic alloy --- photoconversion --- ordered mesoporous carbons --- carbon nanofibers (CNFs) --- platinum --- water splitting --- Surface Modification --- EPR spectroscopy --- scanning photoelectron microscopy --- model catalyst --- energy dispersive --- porphyrins --- combined non-covalent control --- AES --- spin-coating --- SAMs --- water oxidation --- in-situ X-ray diffraction --- Au nanocrystals --- model systems --- platinum single crystals --- cathode --- redox monolayers --- surface nanostructures --- bifunctional oxygen electrode --- polymer --- photoelectrochemistry --- metal-electrolyte interface --- electrocatalysts --- APTES --- porogen --- electrophoretic deposition --- thin-films --- ammonia activation --- graphene --- ORR --- polypyrrole --- iridium --- surface area --- reduced graphene oxide --- Magnetite --- Platinum --- electrospinning --- catalysts --- Blackening of Steel --- switchable surfaces --- in situ ambient pressure XPS --- fuel cells --- methanol oxidation --- quick-XAS --- nickel --- CO oxidation --- solid oxide fuel cells --- operando --- probe --- CdS --- alkanthiols --- ECALE --- alkoxyamine surfaces --- underpotential deposition (upd) --- Pt-Ru catalysts
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