Hybrid Semiconductor Photocatalyst Nanomaterials for Energy and Environmental Applications: Fundamentals, Designing, and Prospects

Advanced Sustainable Systems, Год журнала: 2023, Номер 7(8)

Опубликована: Июнь 27, 2023

Abstract The degradation of fossil fuel and worse environmental conditions leads to the emergence hybrid semiconductor (SC) nanomaterials as photocatalysts. Hybrid SCs have interesting physical, mechanical, optical, chemical, electronic characteristics. Due these properties’ absorption light transfer charge takes place frequently hence act multifunctional surface. These materials should be attributed their optical electrical properties surfaces in energy production, generation, remediation, sensing, etc. When combine with noble, non‐noble metal, metal oxide, some carbon‐based materials, they explore wide applications various fields. Photocatalysis is an effective sustainable technology reduce or fix concerns corrosion problems. By going through extensive literature review, few topics are focused on designing working mechanisms materials. In this way, present review article explains properties, surface‐interface engineering, design, (energy environmental) nanomaterials, emphasizing photocatalytic nature. Additionally, appealing directions, scientific challenges, reasons behind poor stability SC photocatalyst for discussed. Finally, concluding remarks current challenges future prospects domain highlighted.

Язык: Английский

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Engineering the S-scheme heterojunction between NiO microrods and MgAl-LDH nanoplates for efficient and selective photoreduction of CO2 to CH4

Chemical Engineering Journal, Год журнала: 2023, Номер 474, С. 145813 - 145813

Опубликована: Сен. 2, 2023

Язык: Английский

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BiOCl Nanoflowers with High Levels of Oxygen Vacancy for Photocatalytic CO₂ Reduction

ACS Applied Nano Materials, Год журнала: 2023, Номер 6(5), С. 3608 - 3617

Опубликована: Фев. 28, 2023

CO2 photoreduction products, such as CO and CH4, have the potential to be further processed into valuable products fuels, making this process a promising, environmentally friendly, economically viable energy conversion technology. In study, uniform BiOCl hierarchical nanoflowers with tunable thickness abundant oxygen vacancies (OVs) were synthesized using poly(vinylpyrrolidone)/ethylene glycol-assisted self-assembly method. The OV-rich nanoflower (BiOCl-3) showed 4-fold increase in photocatalytic of compared nanosheets (BiOCl-1). Density functional theory (DFT) calculations band analysis reveal anisotropy reduction activity across different crystal facets, morphology can affect both conduction (CB) gap, resulting more negative CB edge for CO. This work provides comprehensive explanation from experimental theoretical perspectives.

Язык: Английский

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Optimizing low-temperature CO2 methanation through frustrated Lewis pairs on Ni/CeO2 catalysts

Chemical Engineering Journal, Год журнала: 2024, Номер 484, С. 149471 - 149471

Опубликована: Фев. 17, 2024

Язык: Английский

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Promoting Photocatalytic CO₂ Methanation by the Construction of Cooperative Copper Dual-Active Sites

ACS Catalysis, Год журнала: 2024, Номер 14(7), С. 5275 - 5285

Опубликована: Март 25, 2024

Selective photocatalytic CO2 methanation provides an attractive avenue to address energy and environmental issues. However, impediments such as the sluggish adsorption activation of H2O molecules, along with unexpected intermediate desorption, greatly restrict activity selectivity methanation. To these issues, we devised a dual-active site catalyst comprising Cu single atoms (SAs) nanoclusters (NCs) supported on defective TiO2 (Cu1+NCs/BT). As result, remarkable CH4 98% yield 19.63 μmol gcat.–1 h–1 can be obtained over as-prepared Cu1+NCs/BT in pure water. Mechanistic studies reveal enhanced performance could ascribed synergistic effect sites, where SAs adsorb activate CO2, while NCs boost dissociation for *H coverage. Additionally, adjacent jointly stabilize *CO reduce barrier protonation, promoting multielectron transfer process.

Язык: Английский

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Artificial photosynthesis platform of 2D/2D MXene/crystalline covalent organic frameworks heterostructure for efficient photoenzymatic CO2 reduction

Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 348, С. 123827 - 123827

Опубликована: Апрель 24, 2024

Язык: Английский

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Revealing electron numbers-binding energy relationships in heterojunctions via in-situ irradiated XPS

Applied Catalysis B Environment and Energy, Год журнала: 2024, Номер 356, С. 124223 - 124223

Опубликована: Май 22, 2024

Язык: Английский

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Enabling CsPbBr₃ Perovskites for Photocatalytic CO₂ Methanation by Rationalizing a Z-Scheme Heterojunction with Zinc Phthalocyanine

ACS Materials Letters, Год журнала: 2024, Номер 6(3), С. 999 - 1006

Опубликована: Фев. 16, 2024

Perovskite materials are regarded as promising photocatalysts for light harvesting, yet they exhibit low photocatalytic activity due to serious charge recombination and lack of efficient catalytic sites toward CO2 reduction. Previous studies have employed perovskites reductive sides in a Z-scheme heterojunction suppress recombination, which however still encounter selectivity because the absence specific In this work, we report strategy that enables CsPbBr3 perovskite methanation. The central concept is construction using zinc phthalocyanine (ZnPc) side. enhanced separation CsPbBr3/ZnPc provides catalytically active ZnPc with sufficient energetic electrons As result, achieves up 89% 168 μmol g–1 h–1 CH4 production, well exceeding all reported perovskite-based photocatalysts. This work insights into rational design heterojunctions artificial photosynthesis.

Язык: Английский

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Non‐Metal Sulfur Doping of Indium Hydroxide Nanocube for Selectively Photocatalytic Reduction of CO₂ to CH₄: A “One Stone Three Birds” Strategy

Advanced Science, Год журнала: 2024, Номер 11(30)

Опубликована: Июнь 13, 2024

Photocatalytic CO

Язык: Английский

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Solar‐Driven Hydrogen Evolution from Value‐Added Waste Treatment

Advanced Energy Materials, Год журнала: 2024, Номер 14(15)

Опубликована: Фев. 13, 2024

Abstract Hydrogen is one of the most important energy alternatives to conventional fossil‐based fuel. Solar based photocatalytic hydrogen evolution (PHE) a salient approach produce fuel but its efficiency generally limited by sluggish and energy‐unfavorable oxidation reaction. Meanwhile, waste treatment has become worldwide problem clean highly demanded avoid vast greenhouse emission currently. Inspiringly, PHE can be effectively coupled with favorable photooxidation many wastes, which kills two birds stone. In this review, recent progress in presented, where typical solid, liquid, gas wastes have been briefly discussed. Focusing on understanding complicated reaction mechanism revelation products, cutting‐edge techniques for photophysics surface chemistry characterization analyzed, are imperative facilitate following investigation. Finally, developing trend existing issues current research also discussed detail so that holistic blueprint portrayed accelerate their application realistic world.

Язык: Английский

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