Metal/Graphitic Carbon Nitride Composites: Synthesis, Structures, and Applications

Wang, Luona; Wang, Chengyin; Hu, Xiaoyun; Xue, Huaiguo; Pang, Huan

doi:10.1002/asia.201601178

Cited by 113 publications

(71 citation statements)

References 197 publications

(376 reference statements)

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“…[173] Furthermore, since the discovery of g-C 3 N 4 as an ew generation of metal-free photocatalysts for water splitting under visible light, [174,175] its dramatic visible-light-driven photocatalytic properties have aroused the interesto fm any researchers. [170][171][172][176][177][178][179] The photoinactivation of bacteria was pioneered by Matsunaga et al in 1985 by using TiO 2 /Pt particles and aU Vl ight source. [180] Generally only as emiconductor material and light are involved in the photodisinfection process, during which the semiconductors generate highly active ROS under light irradiation.…”

Section: Graphitic Carbon Nitride(g-c 3 N 4 )mentioning

confidence: 99%

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Sun

2018

Chemistry An Asian Journal

123

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Since the "birth" of graphene in 2004, two-dimensional (2D) materials have attracted unprecedented research interest from scientists and have stimulated numerous applications in various fields, such as electronic/optical devices, energy storage, catalysis, sensors, and biomedicine. In this review, we summarize recent advances in the antimicrobial applications of 2D materials, such as graphene materials (GMs), layered double hydroxides (LDHs), transition-metal dichalcogenides (TMDs), graphitic carbon nitride (g-C N ), MXenes, black phosphorus (BP), and their derivatives. This review also correlates the unique physicochemical properties of 2D materials with their antimicrobial activities. Finally, some current challenges and future perspectives in this field are also presented.

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Section: Graphitic Carbon Nitride(g-c 3 N 4 )mentioning

confidence: 99%

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Sun

2018

Chemistry An Asian Journal

123

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“…After the discovery of water splitting by Fujishima and Honda, the photocatalysis technology becomes known as most promising new technology in a fuel cell, purification of air, organic pollutant degradation, self‐cleaning, and antibacterial activity . For the last four decades, various semiconductor photocatalysts, including TiO 2 , WO 3 , SnO 2 and ZnO have been studied in environmental purposes .…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Synthesis of g‐C₃N₄/NiFe₂O₄ Nanocomposite and Its Enhanced Photocatalytic Activity

Gebreslassie

Bharali

Chandra

et al. 2019

Applied Organom Chemis

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Herein, for the first time, a direct Z-scheme g-C 3 N 4 /NiFe 2 O 4 nanocomposite photocatalyst was prepared using facile one-pot hydrothermal method and characterized using XRD, FT-IR, DRS, PL, SEM, EDS, TEM, HRTEM, XPS, BET and VSM characterized techniques. The result reveals that the NiFe 2 O 4 nanoparticles are loaded on the g-C 3 N 4 sheets successfully. The photocatalytic activities of the as-prepared photocatalysts were evaluated for the degradation of methyl orange (MO) under visible light irradiation. It was shown that the photocatalytic activity of the g-C 3 N 4 /NiFe 2 O 4 nanocomposite is about 4.4 and 3 times higher than those of the pristine NiFe 2 O 4 and g-C 3 N 4 respectively. The enhanced photocatalytic activity could be ascribed to the formation of g-C 3 N 4 /NiFe 2 O 4 direct Z-scheme photocatalyst, which results in efficient space separation of photogenerated charge carriers. More importantly, the as-prepared Z-scheme photocatalyst can be recoverable easily from the solution by an external magnetic field and it shows almost the same activity for three consecutive cycles. Considering the simplicity of preparation method, this work will provide new insights into the design of high-performance magnetic Z-scheme photocatalysts for organic contaminate removal.

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“…Second, the photogenerated charge carriers separate and transfer to the surface of photocatalysts. [20][21][22][23][24][25] Bulk gC 3 N 4 powder can be prepared by the thermal poly condensation of lowcost nitrogencontaining organic pre cursors, e.g., urea, thiourea, melamine, cyanamide, dicyan diamide, guanidine hydrochloride, and so on. [12,13] Thus, the improvements of the three aforementioned processes play impor tant roles in enhancing the photocatalytic performance.…”

mentioning

confidence: 99%

g‐C₃N₄‐Based Heterostructured Photocatalysts

Wang

Jiang

et al. 2017

Advanced Energy Materials

2,174

937

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Thereafter, the photocatalytic degrada tion of polychlorobiphenyls [2] and photo electrocatalytic reduction of CO 2 into hydrocarbon compounds [3] in aqueous semiconductor suspensions greatly broad ened the applications of photocatalysis. Although the photocatalytic technology has got worldwide attention for its eco nomic, clean, safe, and renewable charac teristics, the photocatalytic performance of currently known photocatalysts is still far from commercial applications, especially in solartofuel conversion. [4][5][6][7][8][9][10][11] Generally, the photocatalytic reactions can be divided into three basic processes. First, the semiconductor photocatalysts absorb effective photons whose energy (h v ) is equal to or above their bandgap (E g ), resulting in the generation of electronhole pairs. Second, the photogenerated charge carriers separate and transfer to the surface of photocatalysts. Third, the photogenerated electrons and holes partic ipate in reactions of substances adsorbed on the surface of the photocatalysts. [12,13] Thus, the improvements of the three aforementioned processes play impor tant roles in enhancing the photocatalytic performance. Light absorption is the first essential step of photocatalysis process. The traditional anatase phase TiO 2 photocatalyst is active only under UV light with wavelength below 387 nm due to its wide bandgap (3.2 eV). However, solar energy is mainly concentrated in the visible light region, and UV light accounts for less than 4% of the solar spectrum. [7] In order to achieve maximum utilization efficiency of solar energy, the exploration of visiblelightresponsive photo catalysts is an urgent task. Graphitic carbon nitride (gC 3 N 4 ) as a promising visiblelightresponsive photocatalyst has received worldwide attention due to its fascinating merits, such as moderate bandgap (≈2.7 eV), proper electronic band structure, nontoxicity, low cost, good stability, and easy preparation. [14][15][16][17][18] Since the first report on photocatalytic H 2 evolution over gC 3 N 4 by Wang et al. in 2009, [19] research endeavors toward improving the photocatalytic performance of gC 3 N 4 based photocatalysts have formed a forefront of photocatalysis research. [20][21][22][23][24][25] Bulk gC 3 N 4 powder can be prepared by the thermal poly condensation of lowcost nitrogencontaining organic pre cursors, e.g., urea, thiourea, melamine, cyanamide, dicyan diamide, guanidine hydrochloride, and so on. [26][27][28][29][30][31][32] The pure bulk gC 3 N 4 prepared by this method suffers from several shortcomings, including low specific surface area, insufficient visible light utilization, and, particularly, rapid recombination Photocatalysis is considered as one of the promising routes to solve the energy and environmental crises by utilizing solar energy. Graphitic carbon nitride (g-C 3 N 4 ) has attracted worldwide attention due to its visible-light activity, facile synthesis from low-cost materials, chemical stability, and unique layered structure. However, the pure g-C 3 N 4 photocatalys...

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Metal/Graphitic Carbon Nitride Composites: Synthesis, Structures, and Applications

Cited by 113 publications

References 197 publications

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Hydrothermal Synthesis of g‐C₃N₄/NiFe₂O₄ Nanocomposite and Its Enhanced Photocatalytic Activity

g‐C₃N₄‐Based Heterostructured Photocatalysts

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Metal/Graphitic Carbon Nitride Composites: Synthesis, Structures, and Applications

Cited by 113 publications

References 197 publications

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Two‐Dimensional Materials for Antimicrobial Applications: Graphene Materials and Beyond

Hydrothermal Synthesis of g‐C3N4/NiFe2O4 Nanocomposite and Its Enhanced Photocatalytic Activity

g‐C3N4‐Based Heterostructured Photocatalysts

Contact Info

Product

Resources

About

Hydrothermal Synthesis of g‐C₃N₄/NiFe₂O₄ Nanocomposite and Its Enhanced Photocatalytic Activity

g‐C₃N₄‐Based Heterostructured Photocatalysts