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Layered double hydroxide(LDH)-based materials:A mini-review on strategies to improve the performance for photocatalytic water splitting

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Journal of Energy Chemistry 2022年第1期31卷 406-431,I0011页

作者： Hanane Boumeriame Eliana S.Da Silva Alexey S.Cherevan tarik chafik Joaquim L.Faria Dominik Eder Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials(LSRE-LCM) Faculdade de EngenhariaUniversidade do PortoRua Dr Roberto Frias s/n4200-465 PortoPortugal Institute of Materials Chemistry Technische Universicat Wien(TU Wien)Getreidemarkt 9Vienna 1060Austria Laboratory of Chemical Engineering and Valorization of Resources(LGCVR-UAE/L01FST).Faculte des Sciences et Techniques Universite Abdelmalek EssaadiTangierMorocco

The high energy demand we currently face in society and the subsequent large consumption of fossil fuels cause its depletion and increase the pollution *** quest for the production of clean energy from renewable and sustainable sources remains *** conversion of solar energy into hydrogen via the water-splitting process,assisted by pho tores pons ive semiconductor catalysts,is one of the most promising *** progress has been made on water splitting in the past few years and a variety of photocatalysts active not only under ultra-violet(UV) light but especially with the visible part of the electromagnetic spectrum have been *** double hydroxides(LDH)-based materials have emerged as a promising class of nanomaterials for solar energy applications owing to their unique layered structure,compositional flexibility,tunable bandgaps,ease of synthesis and low manufacturing *** review covers the most recent research dedicated to LDH materials for photocatalytic water-splitting applications and encompasses a range of synthetic strategies and post-modifications used to enhance their ***,we provide a thorough discussion of the experimental conditions crucial to obtaining improved photoactivity and highlight the impact of some specific parameters,namely,catalysts loading,cocatalysts,sacrificial agents,and irradiation *** review provides the necessary tools to select the election technique for adequately enhancing the photoactivity of LDH and modified LDH-based materials and concludes with a critical summary that outlines further research directions.

关键词： Layered double hydroxides Water splitting Photocatalysis Hydrogen generation Oxygen evolution Nanomaterials

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Author Correction to “Enhanced Property of Thin Cuprous Oxide Film Prepared through Green Synthetic Route”

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Chinese Journal of Chemical Physics 2024年第4期37卷 571-571页

作者： Achraf El Kasmi Henning Vieker Ling-nan Wu AndréBeyer tarik chafik Zhenyu Tian Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190China Laboratory LGCVR UAE/L01FST University Abdelmalek EssaadiTangier B.P.416Morocco University of Chinese Academy of Sciences Beijing 100049China Department of Physics Bielefeld UniversityUniversitätsstraβe 25D-33615 BielefeldGermany

This correction adds some information to our publication[***.32,365–372(2019)]that we previously missed to *** previous work published in[***.B Env-iron.186,10(2016)]was based on the same sample series but with the focus of explaining the interplay between the catalytic behavior and properties of the cuprous thin films.A superior catalytic performance was demonstrated when water was added in the deposition process[1](see Ref.[47]in our publication corrected here).

关键词： films. catalytic correction

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Enhanced Property of Thin Cuprous Oxide Film Prepared through Green Synthetic Route

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Chinese Journal of Chemical Physics 2019年第3期32卷 365-372,I0002页

作者： Ling-nan Wu Zhen-yu Tian Institute of Engineering Thermophysics Chinese Academy of SciencesBeijing 100190China Laboratory LGCVR UAE/L01FST University Abdelmalek EssaadiTangier B.P. 416Morocco University of Chinese Academy of Sciences Beijing 100049China Department of Physics Bielefeld UniversityUniversitatsstraβe 25D-33615 BielefeldGermany

Thin cuprous oxide films have been prepared by chemical vapor deposition(pulsed spray evaporation-chemical vapor deposition)method without *** synthesis of cuprous oxide was produced by applying a water strategy ***,the effect of water on the morphology,topology,structure,optical properties and surface composition of the obtained films has been comprehensively *** results reveal that a pure phase of Cu2O was *** introduction of a small quantity of water in the liquid feedstock lowers the band gap energy from 2.16 eV to 2.04 *** finding was mainly related to the decrease of crystallite size due to the effect of *** topology analyses,by using atomic force microscope,also revealed that surface roughness decreases with water addition,namely more uniform covered ***,theoretical calculations based on density functional theory method were performed to understand the adsorption and reaction behaviors of water and ethanol on the Cu2O thin film *** mechanism of the Cu2O thin film was also suggested and discussed.

关键词： Cuprous oxide thin films Pulsed spray evaporation-chemical vapor deposition method Green synthetic route Optical and topology property Band gap Density functional theory calculation

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