Characterization of charge carrier behavior in photocatalysis using transient absorption spectroscopy

TJ Miao, J Tang - The Journal of Chemical Physics, 2020 - pubs.aip.org
Photocatalysis is a promising sustainable method to generate solar fuels for the future, as
well as having other applications such as water/air purification. However, the performance of …

Spectroscopic and kinetic characterization of photogenerated charge carriers in photocatalysts

J Schneider, M Curti - Photochemical & Photobiological Sciences, 2023 - Springer
The catastrophic consequences of increased power consumption, such as drastically rising
CO2 levels, natural disasters, environmental pollution and dependence on fossil fuels …

Photocorrosion of cuprous oxide in hydrogen production: rationalising self‐oxidation or self‐reduction

CY Toe, Z Zheng, H Wu, J Scott… - Angewandte Chemie …, 2018 - Wiley Online Library
Abstract Cuprous Oxide (Cu2O) is a photocatalyst with severe photocorrosion issues.
Theoretically, it can undergo both self‐oxidation (to form copper oxide (CuO)) and self …

Spatial Control of Oxygen Vacancy Concentration in Monoclinic WO3 Photoanodes for Enhanced Solar Water Splitting

H Kong, H Yang, JS Park, WS Chae… - Advanced Functional …, 2022 - Wiley Online Library
Oxygen vacancies (OVs) are a mixed blessing for the photoelectrochemical (PEC) water
oxidation performance of monoclinic tungsten trioxide (m‐WO3) photoanodes. Although it is …

Water oxidation and electron extraction kinetics in nanostructured tungsten trioxide photoanodes

S Corby, L Francàs, S Selim, M Sachs… - Journal of the …, 2018 - ACS Publications
A thorough understanding of the kinetic competition between desired water
oxidation/electron extraction processes and any detrimental surface recombination is …

In Operando Photoelectrochemical Femtosecond Transient Absorption Spectroscopy of WO3/BiVO4 Heterojunctions

I Grigioni, L Ganzer, F VA Camargo, B Bozzini… - ACS Energy …, 2019 - ACS Publications
The WO3/BiVO4 heterojunction is a promising photoanode architecture for water splitting
applications. Here, the photoinduced charge carrier dynamics occurring in this system in …

In situ optical spectroscopic understanding of electrochemical passivation mechanism on sol–gel processed WO3 photoanodes

J Feng, X Zhao, B Zhang, Z Chen, Z Li… - Journal of Energy …, 2022 - Elsevier
A prevailing understanding on electrochemical activation of photoelectrodes is that
electrochemical treatment leads to increased charge carrier densities thereby improved …

Unraveling the photocatalytic properties of TiO2/WO3 mixed oxides

LF Paula, M Hofer, VPB Lacerda… - Photochemical & …, 2019 - Springer
TiO 2/WO 3 heterojunctions are one of the most investigated systems for photocatalytic
applications. However, distinct behavior can be found in the literature depending on the …

[HTML][HTML] Degradation of Diazinon based on photoelectrocatalytic technique using enhanced WO3 nanostructures: Mechanism and pathway

G Roselló-Márquez, RM Fernández-Domene… - Journal of …, 2021 - Elsevier
In this work, a resistant and toxic pesticide called diazinon was degraded through the
photoelectrocatalysis (PEC) technique using tungsten oxide (WO 3) nanostructures …

Photoelectrochemical mineralization of emerging contaminants at porous WO3 interfaces

G Longobucco, L Pasti, A Molinari, N Marchetti… - Applied Catalysis B …, 2017 - Elsevier
Nanocrystalline WO 3 absorbs visible light up to 470 nm and generates OHradical dot
radicals via valence band injection. Therefore, it promotes the OHradical dot mediated …