Engineering a staggered type-II Bi2WO6/WO3 heterojunction with improved photocatalytic activity in wastewater treatment

Chemosphere, Journal Year: 2024, Volume and Issue: 359, P. 142316 - 142316

Published: May 10, 2024

Language: Английский

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Principles, progress, and prospects of photo-rechargeable zinc-ion batteries

Journal of Energy Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Language: Английский

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Unveiling the Electrochemical Kinetics of an FeWO4-NiFeOOH Anode: Electrolyte Effects on Energy Conversion

Crystals, Journal Year: 2025, Volume and Issue: 15(4), P. 345 - 345

Published: April 6, 2025

This study aims to determine the electrochemical performance of FeWO4 (Fe), NiFeOOH (Ni), and FeWO4/NiFeOOH (FeNi) electrodes in 0.1 M Na2SO4 NaOH electrolytes, highlighting impact SO42− OH− ions. Nyquist analysis demonstrated that electrode had lowest charge transfer resistance, indicating superior transport capacitive over individual electrodes. In Na2SO4, ions stabilized double-layer capacitance enhance ionic mobility. Conversely, NaOH, highly conductive mobile significantly improved diffusion, making more effective for applications. Tafel revealed better kinetics greater energy efficiency with composite excelling both electrolytes. Linear voltammetry showed a synergistic interaction between NiFeOOH, achieving photocurrent density 6.70 mA·cm−2 under illumination, an 830.56% increase Na2SO4. Additionally, exhibited longer electron lifetimes than attributed smaller radius higher diffusion coefficient Pulsed notable improvements generation stability NaOH. These findings indicate is efficient stable material advanced technologies, providing optimal conditions.

Language: Английский

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Enhanced photoelectrochemical water splitting resulting from full-dimensional carrier behavior optimization of ZnIn2S4-based dimorphic homojunction

Renewable Energy, Journal Year: 2025, Volume and Issue: unknown, P. 123103 - 123103

Published: April 1, 2025

Language: Английский

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Semiconductor-Based Photoelectrocatalysts in Water Splitting: From the Basics to Mechanistic Insights—A Brief Review

Materials, Journal Year: 2025, Volume and Issue: 18(9), P. 1952 - 1952

Published: April 25, 2025

Hydrogen and oxygen serve as energy carriers that can ease the transition of due to their high densities. Nonetheless, production processes entail development efficient low-cost storage conversion technologies. In this regard, photoelectrocatalysts are materials based on photoelectronic effect where electrons holes interact with H2O, producing H2 O2, in some cases, is achieved acceptable efficiency. Although there several reviews topic, most them focus traditional semiconductors, such TiO2 ZnO, neglecting others, those non-noble metals organic ones. Herein, semiconductors like CdSe, NiWO4, Fe2O3, others have been investigated compared terms photocurrent density, band gap, charge transfer resistance. addition, brief review aims discuss mechanisms overall water-splitting reactions from a photonic point view subsequently discusses engineering material synthesis. Advanced composites also addressed, WO3/BiVO4/Cu2O CN-FeNiOOH-CoOOH, which demonstrate efficiency by delivering densities 5 mAcm−2 3.5 mA cm−2 at 1.23 vs. RHE, respectively. Finally, authors offer perspectives list main challenges experience developing semiconductor-based applied fields. manner, provides advances these topics, used references for new directions designing active photoelectrocatalytic water splitting.

Language: Английский

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Complementary photoelectrochemical performances between dual heterojunctions and homojunction to achieve efficient solar water splitting of ZnIn2S4-based photoanode

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: 12(6), P. 114322 - 114322

Published: Oct. 1, 2024

Language: Английский

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Boosting Photoelectrochemical Water Oxidation Performance of Ti–Fe₂O₃ Photoanode via NH₂–MIL–53(FeCo) as a Cocatalyst

Energy Technology, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 28, 2024

α–Fe 2 O 3 is a promising photoanode that can be used for solar‐driven photoelectrochemical (PEC) water splitting. However, due to low carrier separation efficiency and slow oxidation kinetics, the PEC performance of Ti–Fe still severely hindered. Here, novel inorganic–organic hybrid composite prepared by depositing NH –materials institute Lavoisier (MIL)–53(FeCo) cocatalyst on surface using solvothermal method. In results, it shown /NH –MIL–53(FeCo) has high photocurrent density (3.0 mA cm −2 at 1.23 V vs reversible hydrogen electrode (RHE), which 5.1 times bare , initial potential also undergoes negative change about 100 mV. The significantly enhanced, charge injection increases from 17.6% 68% versus RHE. further research, suggested excellent may attributed an increase in density, prolonged recombination time, exposed reactive sites. this study, new understanding design photoanodes with superior based metal organic framework modification provided.

Language: Английский

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Study and prediction of photocurrent density with external validation using machine learning models

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 92, P. 1335 - 1355

Published: Nov. 1, 2024

Language: Английский

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Candle-soot template-mediated synthesis of nanoporous WO3 films as photoanodes for solar water splitting

Applied Materials Today, Journal Year: 2024, Volume and Issue: 42, P. 102553 - 102553

Published: Dec. 14, 2024

Language: Английский

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Deciphering the carrier dynamics enhancement in WO₃-containing composites: an ultrafast transient reflectance investigation

Journal of Materials Chemistry C, Journal Year: 2024, Volume and Issue: 12(34), P. 13665 - 13671

Published: Jan. 1, 2024

Femtosecond transient reflectance analysis suggests that the hole-filling effect due to Li intercalation and passivation of oxygen vacancies by FeOOH jointly contribute significantly extended carrier lifetimes in FeOOH/Li 0.1 WO 3 .

Language: Английский

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