Journal ArticleDOI
The construction of NiFeSx/g-C3N4 composites with high photocatalytic activity towards the degradation of refractory pollutants.
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TLDR
In this paper, a novel NiFe layered double hydroxide-derived sulfide (NiFeSx)-modified g-C3N4 nanosheet photocatalyst was synthesized, and its morphology, structure and visible light absorption capacity were simultaneously characterized by XRD, SEM, TEM, FT-IR, XPS, UV-Vis DRS, PL techniques and EIS Nyquist plots.Abstract:
In this work, a novel NiFe layered double hydroxide-derived sulfide (NiFeSx)-modified g-C3N4 nanosheet photocatalyst (NiFeSx/g-C3N4) was synthesized, and its morphology, structure and visible light absorption capacity were simultaneously characterized by XRD, SEM, TEM, FT-IR, XPS, UV-Vis DRS, PL techniques and EIS Nyquist plots. Furthermore, it was discovered that at an optimum mass ratio of 3% (NiFeSx to g-C3N4), 3% NiFeSx/g-C3N4 composites exhibited the best degradation efficiency toward tetracycline hydrochloride refractory pollutants. The degradation rate of tetracycline hydrochloride by 3% NiFeSx/g-C3N4 composites was 92.54% under 70 min of visible light illumination, which was about 2.61 times higher than that of pure g-C3N4. The improved degradation activity may be attributed to the synergistic effect between the two constituents of as-synthesized composites, and the formed heterojunction reduced the efficiency of photogenerated carriers. More importantly, this work also gives some inspiration to synthesize some similar photocatalysts for a targeted environmental remediation.read more
Citations
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A critical review on graphitic carbon nitride (g-C3N4)-based composites for environmental remediation
TL;DR: In this paper, a critical review summarizes the recent advances in the design and preparation of novel g-C3N4-based composites via various methods and the removal efficiencies and related mechanisms via different techniques (adsorption, photocatalysis, electrocatalysis, photoelectrocatalysis and membrane separation).
Journal ArticleDOI
Characterization of BiOBr/g-C3N4 heterostructures immobilized on flexible electrospun polyacrylonitrile nanofibers for photocatalytic applications
Guihua Chen,Ngie Hing Wong,Jaka Sunarso,Yong Wang,Xiaojian Huang,Xianqiang Xiong,Fengxiang Wang +6 more
TL;DR: In this paper, 3-BiOBr/g-C3N4/polyacrylonitrile nanofibers (PAN NFs) were obtained.
Journal ArticleDOI
Modulation of BiOBr-based Photocatalysts for Energy and Environmental Application: A Critical Review
TL;DR: In this paper , a critical review summarized the structure information, design and synthesis strategy as well as the photocatalytic applications of BiOBr-based composites for energy and environmental applications was comprehensively summarized.
Journal ArticleDOI
In situ topotactic fabrication of ZnS nanosheet by using ZnAl- layered double hydroxide template for enhanced tetracycline pollutant degradation activity
TL;DR: In this paper, a novel ZnS nanosheet was synthesized by using ZnAl-layered double hydroxide template for UV-light-driven photocatalytic degradation of tetracycline pollutant.
References
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Journal ArticleDOI
Graphitic Carbon Nitride (g-C3N4)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are We a Step Closer To Achieving Sustainability?
TL;DR: It is anticipated that this review can stimulate a new research doorway to facilitate the next generation of g-C3N4-based photocatalysts with ameliorated performances by harnessing the outstanding structural, electronic, and optical properties for the development of a sustainable future without environmental detriment.
Journal ArticleDOI
An Advanced Ni–Fe Layered Double Hydroxide Electrocatalyst for Water Oxidation
Ming Gong,Yanguang Li,Hailiang Wang,Yongye Liang,Justin Z. Wu,Jigang Zhou,Jian Wang,Tom Regier,Fei Wei,Hongjie Dai +9 more
TL;DR: The synthesis of ultrathin nickel-iron layered double hydroxide nanoplates on mildly oxidized multiwalled carbon nanotubes (CNTs) induced the formation of NiFe-LDH, which exhibits higher electrocatalytic activity and stability for oxygen evolution than commercial precious metal Ir catalysts.
Journal ArticleDOI
Metallic Iron–Nickel Sulfide Ultrathin Nanosheets As a Highly Active Electrocatalyst for Hydrogen Evolution Reaction in Acidic Media
TL;DR: The high specific surface area, facile ion transport and charge transfer, abundant electrochemical active sites, suitable H(+) adsorption, and H2 formation kinetics and energetics are proposed to contribute to the high activity of the INS ultrathin nanosheets toward HER.
Journal ArticleDOI
In situ growing Bi2MoO6 on g-C3N4 nanosheets with enhanced photocatalytic hydrogen evolution and disinfection of bacteria under visible light irradiation.
TL;DR: The results indicate that exfoliating bulk g-C3N4 to g-N4 nanosheets greatly enlarges the specific surface area and shortens the diffusion distance for photogenerated charges, which could not only promote the photocatalytic performance but also benefit the sufficient interaction with Bi2MoO6.
Journal ArticleDOI
Two-step synthesis of binary Ni–Fe sulfides supported on nickel foam as highly efficient electrocatalysts for the oxygen evolution reaction
Bin Dong,Xin Zhao,Guan-Qun Han,Xiao Li,Xiao Shang,Yan-Ru Liu,Wen-Hui Hu,Yong-Ming Chai,Hui Zhao,Chen-Guang Liu +9 more
TL;DR: In this article, a facile two-step method has been used to synthesize binary Ni-Fe sulfides supported on nickel foam (NF) as electrocatalysts for the oxygen evolution reaction (OER), and as-prepared NiFe/NF has been subjected to a hydrothermal sulfuration process in order to prepare NiFeS/NF as an efficient electrocatalyst for the OER.