Green and recyclable photocatalytic hydrogel film with antibacterial and ethylene scavenging properties for fruit preservation.

Food Chemistry, Год журнала: 2025, Номер 475, С. 143266 - 143266

Опубликована: Фев. 7, 2025

Язык: Английский

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Research on the influence of g-C3N4 microstructure changes on the efficiency of visible light photocatalytic degradation

Water Research X, Год журнала: 2025, Номер 28, С. 100315 - 100315

Опубликована: Фев. 8, 2025

The structural modulation of pristine graphitic carbon nitride poses a considerable challenge in the rational design catalysts for efficient degradation small organic pollutants under visible light. In this study, we combined first-principles calculations and structure-function relationship to predict high-performance catalyst. results reveal that CN-8 demonstrates remarkable degree electron-hole separation. Notably, shows exceptional efficiency towards rhodamine B, tetracycline, bisphenol A, fluralaner light irradiation. Specifically, rate constants are 11, 4, 12, 32 times higher, respectively, compared bulk g-C3N4. Through density functional theory investigations relationship, it is confirmed superior catalytic activity lies modifying amino position, which alters electron cloud distribution promotes separation photo-generated pairs. This study provides valuable insights development eco-friendly photocatalysts environmental remediation.

Язык: Английский

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Photocatalytic Decomposition of Rhodamine B and Selective Oxidation of 5-Hydroxymethylfurfural by β-Bi2O3/Bi12SiO20 Nanocomposites Produced by Laser

Journal of Composites Science, Год журнала: 2024, Номер 8(2), С. 42 - 42

Опубликована: Янв. 24, 2024

In this work, we studied the catalytic performance of a β-Bi2O3/Bi12SiO20 nanocomposite material in reactions involving photodecomposition rhodamine B and selective photooxidation 5-hydroxymethylfurfural (HMF). The semiconductor composite nanomaterial was obtained by means mechanical grinding mixture nanopowders β-Bi2O3 sillenite, both individually produced via pulsed laser ablation. crystal structure prepared particles confirmed X-ray diffraction, while optical properties individual components their (with different ratios Bi2O3 Bi12SiO20) were also studied. photocatalytic activity course decomposition under LED excitation at wavelengths 375, 410 470 nm. It shown that optimal ratio resulted exceeding those single-phase Bi12SiO20, as well mixtures (by ~2.3 times for an with λ = 375 nm). novel found to perform better oxidation HMF: conversion ~5%, selectivity toward DFF significantly higher (10.3%) than sample (−4.2%). A model proposed explains increase newly photocatalyst due formation type II heterojunction its particles.

Язык: Английский

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Effects of pH on the Photocatalytic Activity and Degradation Mechanism of Rhodamine B over Fusiform Bi Photocatalysts under Visible Light

Water, Год журнала: 2024, Номер 16(17), С. 2389 - 2389

Опубликована: Авг. 25, 2024

In this study, fusiform bismuth (Bi) was synthesized, and its photocatalytic performance, degradation mechanism, pathways for removing rhodamine B (RhB) at different pH levels were investigated. Additionally, the morphologies, structural characteristics, surface electronic states, optical properties, active species, potential of RhB over Bi analyzed. The comparison results before after using revealed formation a Bi/BiOCl heterojunction photocatalyst. At 2.0, 3.0, 5.0, 7.0, 9.0, exhibited excellent activity, with removal efficiencies ~97%, 96.7%, 72.6%, 53.5%, 27.6%, respectively. Moreover, total organic carbon chemical oxygen demand analyses performed to evaluate mineralization rates 3.0 7.0. Furthermore, effects catalyst content, initial concentration, light source distance, inorganic anions, reactant temperature on performance types species mechanisms (3.0 7.0) elucidated. appropriate identified via liquid chromatography–mass spectrometry

Язык: Английский

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Insight into the mechanism of Bi modified MXene-derived TiO2 for efficient visible-light driven photocatalytic reduction of bromate

Journal of environmental chemical engineering, Год журнала: 2025, Номер unknown, С. 115423 - 115423

Опубликована: Янв. 1, 2025

Язык: Английский

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Recent advances on Bi12O17Cl2-based photocatalysts for energy and environmental application

Journal of Cleaner Production, Год журнала: 2025, Номер unknown, С. 145060 - 145060

Опубликована: Фев. 1, 2025

Язык: Английский

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Dual Effect of Oxygen Vacancy‐Enriched TiO₂ Interlayer in Si Photocathode for Enhanced Photoelectrochemical CO₂ Reduction to HCOOH

Small, Год журнала: 2025, Номер unknown

Опубликована: Март 6, 2025

Integrating nanostructured catalysts with semiconductors is a prevalent strategy for the design of photoelectrochemical (PEC) photocathodes toward CO2 reduction reaction (CO2RR). However, it still challenge to achieve high efficiency and selectivity due incompatible catalyst/semiconductor heterogeneous interface. Here, proposed that engineering oxygen vacancy in TiO2 interlayer plays multifunctional role boosting PEC activity CO2RR on Bi catalyst modified Si photocathode (denoted as Si/dT/Bi). It discovered accelerates carrier transport. These vacancies also promote growth Bi-based sponge-like nanostructures during photoelectro-deposition process. Numerous experimental results combined situ attenuated total reflection surface-enhanced infrared absorption spectroscopy reveal these nano-catalysts Si/dT/Bi provide density active sites adsorption kinetics HCOOH production by accelerating formation key intermediate *OCHO. This provides unique route future advancements technologies.

Язык: Английский

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Anchoring Perovskite-Like Bi₄Ti₃O₁₂ and Plasmonic Bi on Defect-Rich Yellow TiO_2–x for Enhanced Catalytic Activity toward Degradation of Pollutants upon Visible Light

Langmuir, Год журнала: 2024, Номер 40(46), С. 24373 - 24386

Опубликована: Ноя. 8, 2024

The efficiency of heterogeneous photocatalytic processes is currently limited due to the fast recombination photocarriers, poor light absorption, and inefficient surface catalytic characteristics. In this study, defect-rich yellow TiO

Язык: Английский

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Research on photocatalytic performance and mechanism of nitrogen–sulfur co-doped carbon quantum dots and C3N4 co-modified BiOBr

Research on Chemical Intermediates, Год журнала: 2024, Номер 50(7), С. 2971 - 2991

Опубликована: Июнь 17, 2024

Язык: Английский

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Synthesis of Bi-BiPO4-Ag3PO4/PAN composite nanomaterial photocatalyst with the degradation performance for rhodamine B

Materials Science in Semiconductor Processing, Год журнала: 2024, Номер 185, С. 108918 - 108918

Опубликована: Сен. 14, 2024

Язык: Английский

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