Recent Progress of Three-Dimensional Graphene-Based Composites for Photocatalysis

Gels, Journal Year: 2024, Volume and Issue: 10(10), P. 626 - 626

Published: Sept. 29, 2024

Converting solar energy into fuels/chemicals through photochemical approaches holds significant promise for addressing global demands. Currently, semiconductor photocatalysis combined with redox techniques has been intensively researched in pollutant degradation and secondary generation owing to its dual advantages of oxidizability reducibility; however, challenges remain, particularly improving conversion efficiency. Since graphene’s initial introduction 2004, three-dimensional (3D) graphene-based photocatalysts have garnered considerable attention due their exceptional properties, such as large specific surface area, abundant pore structure, diverse chemistry, adjustable band gap, high electrical conductivity. Herein, this review provides an in-depth analysis the commonly used based on 3D graphene, outlining construction strategies recent applications photocatalytic organic pollutants, H2 evolution, CO2 reduction. Additionally, paper explores multifaceted roles that graphene plays enhancing performance. By offering a comprehensive overview, we hope highlight potential environmentally beneficial material inspire development more efficient, versatile aerogel future applications.

Language: Английский

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The MoS2/ZnO p-n heterostructure arrays for ultrasensitive ppb-level self-supporting NO2 gas sensors under UV irradiation

Talanta, Journal Year: 2025, Volume and Issue: unknown, P. 128194 - 128194

Published: April 1, 2025

Language: Английский

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Tailoring Artificial Solid Electrolyte Interphase via MoS2 Sacrificial Thin Film for Li-Free All-Solid-State Batteries

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: April 18, 2025

Abstract Anode-free all-solid-state batteries (AFASSBs) are potential candidates for next-generation electric mobility devices that offer superior energy density and stability by eliminating Li from the anode. However, despite its to stabilize interface between sulfide solid electrolytes (SEs) anode-free current collectors (CCs) efficiently, a controllable approach incorporating MoS 2 into AFASSBs has not yet been found. Herein, we propose strategy stabilizing of Li-free using sacrificial thin films. was controllably grown on CCs metal–organic chemical vapor deposition, layer in contact with SEs formed an interlayer composed Mo metal S through conversion reaction. In , significantly reduces nucleation overpotential Li, which results uniform plating. addition, -based facilitates formation robust SE interface, thereby enhancing AFASSBs. Based these advantages, cells fabricated exhibited better performance as both asymmetrical full LiNi 0.6 Co 0.2 Mn O cathodes than did without . Moreover, cell affected size, having optimal thickness demonstrated 1.18-fold increase initial discharge capacity sevenfold improvement retention relative SUS CCs. This study offers promising path exploiting stabilization efficient AFASSB applications.

Language: Английский

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Tailoring Phase Transition of Mo-S-Te Ternary System using Heat-Driven Process for Target Functionalities

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 496, P. 153936 - 153936

Published: July 11, 2024

Although structural engineering and phase modulation of transition metal dichalcogenides (TMDs) can be used to implement high-performance optoelectronic devices or energy cells, their expandability combined with individualized optimization for diverse applications using limited TMD materials is still challenging. Herein, we suggest an intriguing strategy control the target functionalities Mo-S-Te ternary system heat-driven crystallographic selection. The structure alteration effectively governed by modulating thermal decomposition temperature, as evidenced comprehensive spectroscopic microscopic evaluations. dual eligibility was validated ascertaining temperature-dependent selective enhancement properties photoelectrochemical (PEC) performance compared those bare MoS2. synthesized at 300 °C exhibited superior photoresponse dynamics across various wavelengths, indicating its potential advanced photodetection applications. In field PEC, 500 highlighted a promising photocathode material, offering enhanced PEC reactivity stability. This study suggests importance material characteristics tailored synthetic conditions applications, which path expansion applicability in areas simple approach that utilizes range materials.

Language: Английский

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Charge Transfer in InAs@ZnSe‐MoS₂ Heterostructures for Broadband Photodetection

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 6, 2024

Abstract Absorbing near‐infrared (NIR) photons, with longer wavelengths, in atomically thin monolayer MoS 2 presents a significant challenge due to its weak optical absorption and narrow bands. Consequently, ‐based photodetector devices often experience low responsivity limited detection window. Herein, novel InAs@ZnSe core@shell/1L‐MoS heterostructure, leveraging as the primary infrared‐absorbing material exploiting formation of type‐II heterostructure is showcased. Steady‐state time‐resolved spectroscopy, along optoelectronic characterization, are employed investigate photo‐induced charge transfer dynamics. The results show efficient hole upon excitation both materials. Instead, selective InAs@ZnSe, electron observed from 1L‐MoS . demonstrates broadband photoresponse spanning wavelength range 300 850 nm, exhibiting Responsivity ≈10 3 A/W Detectivity 11 Jones. signal‐to‐noise ratio substantially increases by 4 orders magnitude for 700 nm compared pristine enhancement attributed increased absorption, which helps eliminate defect trap states, thereby promoting photogating effect.

Language: Английский

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The Mos2/Zno P-N Heterostructure Arrays for Ultrasensitive Ppb-Level Self-Supporting No2 Gas Sensors Under Uv Irradiation

Published: Jan. 1, 2024

Language: Английский

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Interface coupling of octahedron Cu2O with reduced graphene oxide for enhanced photocatalytic and photoelectrochemical activity

Optical Materials, Journal Year: 2024, Volume and Issue: 156, P. 115981 - 115981

Published: Aug. 14, 2024

Language: Английский

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