Revolutionizing photocatalysis: Unveiling efficient alternatives to titanium (IV) oxide and zinc oxide for comprehensive environmental remediation

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 62, P. 105369 - 105369

Published: April 27, 2024

Language: Английский

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Au Nanoparticles on In₂S₃/In₂O₃ Nanopyramids Increase Photoanodic Activity in Photoelectrochemical Water Splitting

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: unknown

Published: July 29, 2024

To fulfill the increasing energy demand, photoelectrochemical (PEC) water splitting is an effective approach. For that, it very important to give rise efficient photoelectrodes for PEC reaction as anodic sluggish, and because of that overall efficiency remains obstructed. In this context, In2S3/In2O3 nanopyramids with exposed (111) facets are developed following a simple hydrothermal method. Further, effect Au plasmonic nanoparticles (NPs) on nanopyramid surface investigated. NPs decorated by thermal reduction The dipping time in Au-precursor solution varied alter loading amount Au. enhance light absorption effectively from 600 800 nm. Furthermore, presence NPs, carrier concentration enhanced at same charge transportation ability also interface. optimum decoration helps achieve activity. best obtained In2S3/In2O3/Au study shows enhancement photocurrent density generating 5.16 mA/cm2 density, which nearly 3.66 times higher compared applied potential 0.599 V vs Ag/AgCl. Decoration leads 2.6-fold cathodic shift onset potential. achieves maximum photoconversion 1.18% 0.26 Ag/AgCl 0.5 M Na2SO4 electrolyte. nanostructure can even withstand highly corrosive environment 3.5% saline water. High 4.52 be generated In2S3/In2O3/Au, where 3.5 wt % used photoelectrode: In2S3/In2O3–Au capable 0 Na2SO4. Under continuous illumination 3600 s water, stability observed.

Language: Английский

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Unveiling of cost-effective non-noble binary metal selenide-decorated graphene oxide composite electrode for high-performance electrochemical and photoelectrochemical water splitting

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 70, P. 429 - 447

Published: May 18, 2024

Language: Английский

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Enhanced Charge Transportation in Type II WO3/ZnWO4 Nanoflakes for Boosting Saline Water‐splitting Reaction

Chemistry - An Asian Journal, Journal Year: 2025, Volume and Issue: unknown

Published: March 12, 2025

Abstract Photoelectrochemical (PEC) water‐splitting is an energy‐efficient and eco‐friendly technique to produce green hydrogen (H 2 ). Here, WO 3 synthesized for saline reaction. Initially, the activity of enhanced through morphology tuning. Nanoparticles (NPs), thick nanosheets (TSs), nanoflakes (NFs) are synthesized, their PEC determined. The NFs show a photocurrent density 1.53 mA/cm at 1.2 V vs. Ag/AgCl, whereas TSs NPs can generate 1.17 1.07 respectively. low charge transportation rate inhibits performance these in reactions. To mitigate this problem, type‐II heterojunction constructed with optimized deposition ZnWO 4 on 3, which favors migration charge‐carriers opposite directions, facilitating charge‐carrier separation eventually enhancing activity. shows 1.5 times greater than bare 2.4 carrier density, 2.16×10 21 cm −3 . heterostructure‘s rapid OCP decay higher injection efficiency indicate improved transport capability, primary driving force stability /ZnWO studied one hour.

Language: Английский

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Enhancements in PEC water splitting for sustainable hydrogen production using MnxCo0.015Zn1-xO bifunctional photocatalyst

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 93, P. 1502 - 1511

Published: Nov. 11, 2024

Language: Английский

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