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Kang L, Wang Y, Du R, Zhang J, Kang C. Construction of S/g-C 3N 4@β-Bi 2O 3 heterojunction and its photocatalytic degradation of toluene in the gas phase. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-34840-3. [PMID: 39245673 DOI: 10.1007/s11356-024-34840-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 08/25/2024] [Indexed: 09/10/2024]
Abstract
In this paper, a modification of g-C3N4 was carried out by combining non-metal doping with the construction of heterojunctions, and a type II heterojunction composite, S/g-C3N4@β-Bi2O3, was prepared. The phase structure, morphology, elemental composition, valence band structure, and light absorption performance of the photocatalyst were analyzed using characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). The performance of the composite photocatalyst in the photocatalytic degradation of gaseous toluene, one of the typical volatile organic compounds (VOCs), under simulated solar light was studied. The effects of preparation conditions, toluene concentration, and recycling on the photocatalytic performance of the composite photocatalyst were investigated. The results show that under the optimal preparation conditions, S/g-C3N4@β-Bi2O3 achieved a degradation efficiency of 74.0% for 5 ppm toluene after 5 h of light irradiation. Although the degradation efficiency decreased to 61.2% after five cycles, it maintained 83% of its initial activity, indicating good stability of the composite photocatalyst. Free radical quenching experiments demonstrated that h+ was the main active species in the photocatalytic degradation of toluene, followed by ·O2-. Based on all experimental results, the migration law of photo-generated charges was analyzed, and a possible photocatalytic mechanism was proposed. In this study, a new material was obtained for the photocatalytic removal of VOCs by improving the photocatalytic properties of g-C3N4.
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Affiliation(s)
- Lu Kang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
- Jilin Provincial Key Laboratory of Water Resources and Water Environment, Jilin University, Changchun, 130021, China
| | - Ying Wang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Ruihan Du
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Jinpu Zhang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
| | - Chunli Kang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China.
- Jilin Provincial Key Laboratory of Water Resources and Water Environment, Jilin University, Changchun, 130021, China.
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2
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Ganesh PS, Elugoke SE, Lee SH, Ko HU, Kim SY, Ebenso EE. A bifunctional MoS 2/SGCN nanocatalyst for the electrochemical detection and degradation of hazardous 4-nitrophenol. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 282:116701. [PMID: 39018731 DOI: 10.1016/j.ecoenv.2024.116701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 07/04/2024] [Accepted: 07/06/2024] [Indexed: 07/19/2024]
Abstract
Herein, we reported the dual functions of molybdenum disulfide/sulfur-doped graphitic carbon nitride (MoS2/SGCN) composite as a sensing material for electrochemical detection of 4-NP and a catalyst for 4-NP degradation. The MoS2 nanosheet, sulfur-doped graphitic carbon nitride (SGCN) and MoS2/SGCN were characterized using field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) spectroscopy and X-ray photoelectron spectroscopy (XPS). Electrochemical characterization of these materials with electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) in 1 mM K4[Fe(CN)6]3-/4- show that the composite has the lowest charge transfer resistance and the best electrocatalytic activity. The limit of detection (LOD) and the linear range of 4-nitrophenol at MoS2/SGCN modified glassy carbon electrode (MoS2/SGCN/GCE) were computed as 12.8 nM and 0.1 - 2.6 μM, respectively. Also, the percentage recoveries of 4-NP in spiked tap water samples ranged from 97.8 - 99.1 %. The electroanalysis of 4-NP in the presence of notable interferons shows that the proposed electrochemical sensor features outstanding selectivity toward 4-NP. Additionally, the results of the catalytic degradation of 4-NP at MoS2/SGCN show that the nanocatalyst catalyzed the transformation of 4-NP to 4-aminophenol (4-AP) with a first-order rate constant (k) estimated to be 4.2 ×10-2 s-1. The results of this study confirm that the MoS2/SGCN nanocatalyst is a useful implement for electroanalytical monitoring and catalytic degradation of the hazardous 4-NP in water samples.
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Affiliation(s)
- Pattan-Siddappa Ganesh
- Interaction Laboratory, Advanced Technology Research Center, Future Convergence Engineering, Korea University of Technology and Education, Cheonan 31253, Republic of Korea.
| | - Saheed Eluwale Elugoke
- Centre for Material Science, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1709, South Africa; Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1709, South Africa
| | - Seok-Han Lee
- Interaction Laboratory, Advanced Technology Research Center, Future Convergence Engineering, Korea University of Technology and Education, Cheonan 31253, Republic of Korea
| | - Hyun-U Ko
- Interaction Laboratory, Advanced Technology Research Center, Future Convergence Engineering, Korea University of Technology and Education, Cheonan 31253, Republic of Korea
| | - Sang-Youn Kim
- Interaction Laboratory, Advanced Technology Research Center, Future Convergence Engineering, Korea University of Technology and Education, Cheonan 31253, Republic of Korea.
| | - Eno E Ebenso
- Centre for Material Science, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1709, South Africa; Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Johannesburg 1709, South Africa
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3
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Ko JW. Graphitic Carbon Nitride as Reinforcement of Photopolymer Resin for 3D Printing. Polymers (Basel) 2024; 16:370. [PMID: 38337259 DOI: 10.3390/polym16030370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/17/2024] [Accepted: 01/24/2024] [Indexed: 02/12/2024] Open
Abstract
Digital light processing (DLP) has the advantages of higher printing speed and product precision than other 3D printing technologies. However, DLP products have low mechanical strength owing to the inherent properties of photocurable materials. Graphitic carbon nitride (GCN), which is an abundant hydrogen bonding motif (-NH2, -NH), has low solubility in most solvents; thus, to use GCN as a reinforcement of the polymer matrix, optimal dispersion processes must be applied. In this study, GCN was proposed as a novel reinforcing material to improve the mechanical properties of photocurable epoxy acrylate (EA) resins for DLP. Herein, two-step (planetary mixing and ultrasonication) processes were applied to disperse GCN within EA, and the dispersion performance was identified by checking the degree of precipitation over time. To test the printability of the dispersed GCN/EA composites subjected to DLP 3D printing, cube specimens of GCN/EA composites were prepared, and the dispersed GCN/EA output had a low dimensional error of 0.3-1.3%, while the undispersed composite output showed larger dimensional errors of 27.7-36.2%. Additionally, in the mechanical test of the DLP-3D-printed sample (dispersed GCN/EA composite), the tensile strength and elastic modulus of the dispersed GCN/EA composite specimen were measured to be 75.56 MPa and 3396 MPa, respectively, which were improved by 22% (tensile strength) and 34% (modulus of elasticity) in relation to those of the neat EA specimen. This study is the first to use GCN as a reinforcement and manufacture a composite product for DLP with excellent performance (22% increased tensile strength) through the optimal dispersion of GCN. Considering the high mechanical performance, DLP products using the GCN/EA composites can be used in industries such as automobiles, shipbuilding, and aviation.
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Affiliation(s)
- Jong Wan Ko
- 3D Printing Manufacturing Process Center, Smart Forming Process Group, Korea Institute of Industrial Technology (KITECH), Ulsan 44776, Republic of Korea
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4
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Chu X, Sathish CI, Yang JH, Guan X, Zhang X, Qiao L, Domen K, Wang S, Vinu A, Yi J. Strategies for Improving the Photocatalytic Hydrogen Evolution Reaction of Carbon Nitride-Based Catalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302875. [PMID: 37309270 DOI: 10.1002/smll.202302875] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/27/2023] [Indexed: 06/14/2023]
Abstract
Due to the depletion of fossil fuels and their-related environmental issues, sustainable, clean, and renewable energy is urgently needed to replace fossil fuel as the primary energy resource. Hydrogen is considered as one of the cleanest energies. Among the approaches to hydrogen production, photocatalysis is the most sustainable and renewable solar energy technique. Considering the low cost of fabrication, earth abundance, appropriate bandgap, and high performance, carbon nitride has attracted extensive attention as the catalyst for photocatalytic hydrogen production in the last two decades. In this review, the carbon nitride-based photocatalytic hydrogen production system, including the catalytic mechanism and the strategies for improving the photocatalytic performance is discussed. According to the photocatalytic processes, the strengthened mechanism of carbon nitride-based catalysts is particularly described in terms of boosting the excitation of electrons and holes, suppressing carriers recombination, and enhancing the utilization efficiency of photon-excited electron-hole. Finally, the current trends related to the screening design of superior photocatalytic hydrogen production systems are outlined, and the development direction of carbon nitride for hydrogen production is clarified.
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Affiliation(s)
- Xueze Chu
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - C I Sathish
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Jae-Hun Yang
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Xinwei Guan
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Xiangwei Zhang
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Liang Qiao
- School of Physics, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China
| | - Kazunari Domen
- Research Initiative for Supra-Materials Interdisciplinary Cluster for Cutting Edge Research, Shinshu University, 4-17-1, Wakasato, Nagano-shi, Nagano, 380-8533, Japan
| | - Shaobin Wang
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA, 5005, Australia
| | - Ajayan Vinu
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Jiabao Yi
- Global Innovative Center of Advanced Nanomaterials, School of Engineering, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW, 2308, Australia
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Yan Z, Liu Y, Zhang L, Luan J, Ke X. Green Synthesis Strategy of Template-Free S-Doped g-C 3N 4 with Cystine for Efficient Photocatalytic Degradation of RhB. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:13705-13716. [PMID: 37698060 DOI: 10.1021/acs.langmuir.3c01935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2023]
Abstract
Constructing a nanostructure with a high surface area and regulating the band gap by nonmetallic doping are two effective methods for improving the photocatalytic activity of catalysts. A green template-free synthesis strategy of S-doped g-C3N4 nanosheets is proposed via doping cystine as both the structural additive and S source. The features of S-doped samples (GCN-x%) were systematically studied, including morphology and textural and photoelectric properties, which demonstrated that the introduction of cystine and simple manipulation of the preparation process could realize self-exfoliation of g-C3N4 into nanosheets. The GCN-3% sample showed a surface area (131.88 m2·g-1) 10.7 times enlarged compared with bulk g-C3N4 (bulk-phase carbon nitride). Obvious redshift on the absorption edge induced by S doping can be observed, revealing a narrowed band gap and enhanced efficiency of photogenerated charge carrier separation. The DFT calculation results also verified that the introduced C-S site could lead to polarization of the local electric field and thus decrease the bandgap of g-C3N4 nanosheets. GCN-3% showed a 99.3% photocatalytic degradation ratio of rhodamine B in 60 min at a rate of 0.17 min-1. By scavengers experiment revealed that superoxide anion (·O2-) radicals and holes (h+) were vital active components during the photocatalytic degradation.
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Affiliation(s)
- Zheng Yan
- Liaoning Key Laboratory of Clean Energy and Institute of Clean Energy and Environmental Engineering, College of Energy and Environment, Shenyang Aerospace University, Shenyang 110034, P. R. China
| | - Yang Liu
- Liaoning Key Laboratory of Clean Energy and Institute of Clean Energy and Environmental Engineering, College of Energy and Environment, Shenyang Aerospace University, Shenyang 110034, P. R. China
| | - Leixin Zhang
- Liaoning Key Laboratory of Clean Energy and Institute of Clean Energy and Environmental Engineering, College of Energy and Environment, Shenyang Aerospace University, Shenyang 110034, P. R. China
| | - Jingde Luan
- Liaoning Key Laboratory of Clean Energy and Institute of Clean Energy and Environmental Engineering, College of Energy and Environment, Shenyang Aerospace University, Shenyang 110034, P. R. China
| | - Xin Ke
- Liaoning Key Laboratory of Clean Energy and Institute of Clean Energy and Environmental Engineering, College of Energy and Environment, Shenyang Aerospace University, Shenyang 110034, P. R. China
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Gai Q, Ren S, Zheng X, Liu W. Enhanced plasmonic photocatalytic performance of C 3N 4/Cu by the introduction of a reduced graphene oxide interlayer. Phys Chem Chem Phys 2023; 25:12754-12766. [PMID: 37128700 DOI: 10.1039/d3cp01118f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Cu nanoparticles (NPs) are low-cost surface plasmonic resonance (SPR) metal nanostructures, and their SPR properties can be used to enhance the photocatalytic hydrogen evolution performance of carbon nitride (C3N4). But their actual performance is usually limited, and one key factor is their poor interfacial quality. In this work, a highly conductive reduced graphene oxide (RGO) interlayer is introduced between protonated C3N4 (PCN) nanosheets and Cu NPs, which can act as an efficient sink for photogenerated electrons from C3N4 and hot electrons from Cu NPs, and simultaneously serve as reaction sites for the hydrogen evolution reaction, and accelerate the charge transport by the formed C-O-C and C-O-Cu bonds. The optimal hydrogen evolution rate of the optimized PCN/RGO/Cu is 1.30 mmol g-1 h-1, which is 6.76, 2.47 and 2.41 times that of PCN, PCN/RGO and PCN/Cu, respectively, and it can further reach up to 13.22 mmol g-1 h-1 by loading moderate Pt NPs. Meanwhile, the introduced RGO can effectively anchor Cu NPs to enhance the stability of the photocatalyst. In addition, due to the broad SPR response of Cu NPs, a near-infrared photocatalytic performance is realized for PCN/RGO/Cu with an apparent quantum efficiency of 0.46% at 765 nm.
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Affiliation(s)
- Qixiao Gai
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, P. R. China.
- Department of Physics, Harbin Institute of Technology, Harbin 150001, P. R. China
| | - Shoutian Ren
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, P. R. China.
| | - Xiaochun Zheng
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, P. R. China.
- Department of Physics, Harbin Institute of Technology, Harbin 150001, P. R. China
| | - Wenjun Liu
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, P. R. China.
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7
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Gao Y, Li Y, Shangguan L, Mou Z, Zhang H, Ge D, Sun J, Xia F, Lei W. Optimizing the band structure of sponge-like S-doped poly(heptazine imide) with quantum confinement effect towards boosting visible-light photocatalytic H 2 generation. J Colloid Interface Sci 2023; 644:116-123. [PMID: 37105035 DOI: 10.1016/j.jcis.2023.03.208] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/27/2023] [Accepted: 03/31/2023] [Indexed: 04/29/2023]
Abstract
Simultaneously manipulating the nanostructure and band structure of semiconductors for boosting the photocatalytic performance of photocatalyts is highly desirable. Herein, a series of hierarchical sponge-like S-doped poly(heptazine imide) (HS-SPHI) assembled by ultrathin nanosheets were successfully fabricated via a facile bottom-up supramolecular preassembly approach using melamine (MA) and trithiocyanuric acid (TTCA) as precursors. Benefiting from the synergistic effect of the S-doping and their unique hierarchical porous structure coupled with quantum confinement effect, the as-obtained HS-SPHIs are endowed with extended visible-light response, improved charge separation efficiency, enlarged specific surface area, and enhanced thermodynamic driving force for water reduction. As a result, all the HS-SPHIs exhibit remarkable boosting visible-light (>420 nm) photocatalytic H2evolution (PHE). The maximum PHE rate achieved by HS-SPHI-650 can be up to 3584.2 μmol g-1h-1, with an apparent quantum efficiency (AQE) of 14.67 % at 420 nm, which is about 22.4 times than that of pristine bulk g-C3N4 (B-GCN). We believe that this work will provide a significant strategy for optimizing the band structure of PCN in order to improve its photocatalytic performance.
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Affiliation(s)
- Yang Gao
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Yuxuan Li
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Li Shangguan
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Zhigang Mou
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Hui Zhang
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Dachuan Ge
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Jianhua Sun
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China.
| | - Feifei Xia
- School of Chemistry and Chemical Engineering, Institute of Advanced Functional Materials for Energy, Jiangsu University of Technology, Changzhou 213001, Jiangsu Province, PR China
| | - Weiwei Lei
- Institute for Frontier Materials, Deakin University, Waurn Ponds, Victoria 3216, Australia.
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8
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Zhang WJ, Wang FJ, Liu H, Wang Y, Chen M. Removing unreacted amino groups in graphitic carbon nitride through residual heating to improve the photocatalytic performance. RSC Adv 2023; 13:6688-6698. [PMID: 36860530 PMCID: PMC9969336 DOI: 10.1039/d2ra08324h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 02/21/2023] [Indexed: 03/03/2023] Open
Abstract
In most of the research about graphitic carbon nitride (g-C3N4), g-C3N4 is prepared through the calcination of nitrogen-rich precursors. However, such a preparation method is time-consuming, and the photocatalytic performance of pristine g-C3N4 is lackluster due to the unreacted amino groups on the surface of g-C3N4. Therefore, a modified preparation method, calcination through residual heating, was developed to achieve rapid preparation and thermal exfoliation of g-C3N4 simultaneously. Compared with pristine g-C3N4, the samples prepared by residual heating had fewer residual amino groups, a thinner 2D structure, and higher crystallinity, which led to a better photocatalytic performance. The photocatalytic degradation rate of the optimal sample for rhodamine B could reach 7.8 times higher than that of pristine g-C3N4.
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Affiliation(s)
- Wen-Jun Zhang
- Department of Materials Science, Fudan University Shanghai 200433 China
| | - Feng-Jue Wang
- Department of Materials Science, Fudan University Shanghai 200433 China
| | - Han Liu
- Department of Materials Science, Fudan University Shanghai 200433 China
| | - Yue Wang
- Department of Materials Science, Fudan University Shanghai 200433 China
| | - Meng Chen
- Department of Materials Science, Fudan University Shanghai 200433 China
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Dual S-scheme graphitic carbon-doped α-Bi2O3/β-Bi2O3/Bi5O7I ternary heterojunction photocatalyst for the degradation of Bisphenol A. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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10
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Non-Conventional Synthesis and Repetitive Application of Magnetic Visible Light Photocatalyst Powder Consisting of Bi-Layered C-Doped TiO2 and Ni Particles. Catalysts 2023. [DOI: 10.3390/catal13010169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
In the current study, a non-conventional application of the magnetron sputtering technique was proposed. A four-step synthesis procedure allowed us to produce a magnetic photocatalyst powder consisting of bi-layered particles with carbon-doped TiO2 on one side, and metallic Ni on the other side. XRD, SEM and EDS methods were used for sample characterization. It was determined, that after the sputtering process optimization, the bandgap of carbon-doped TiO2 was reduced to approximately 3.1 eV and its light adsorption increased over the whole visible light spectrum. The repetitive Rhodamine B solution bleaching with magnetic photocatalyst powder and visible light showed interesting evolvement of photocatalyst efficiency. After the first cycle, Rhodamine B concentration was reduced by just 35%. However, after the second cycle, the reduction had already reached nearly 50%. Photocatalytic bleaching efficiency continued to improve rapidly until higher than 95% of Rhodamine B concentration reduction was achieved (at tenth cycle). For the next ten cycles, photocatalytic bleaching efficiency remained relatively stable. The initial gain in efficiency was attributed to the magnetic photocatalyst particle size reduction from an initial diameter of 100–150 µm to 5 µm. Naturally, the 20–30 times size reduction resulted in a remarkably increased active surface area, which was a key factor for the increased performance.
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Kumar S, Yadav RK, Yeon Choi S, Singh P, Wu Kim T. An Efficient Polydopamine Modified Sulphur Doped GCN Photocatalyst for Generation of HCOOH from CO2 Under Sun Ray Irradiation. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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12
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Khedr TM, El-Sheikh SM, Endo-Kimura M, Wang K, Ohtani B, Kowalska E. Development of Sulfur-Doped Graphitic Carbon Nitride for Hydrogen Evolution under Visible-Light Irradiation. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:62. [PMID: 36615972 PMCID: PMC9824438 DOI: 10.3390/nano13010062] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/16/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Developing eco-friendly strategies to produce green fuel has attracted continuous and extensive attention. In this study, a novel gas-templating method was developed to prepare 2D porous S-doped g-C3N4 photocatalyst through simultaneous pyrolysis of urea (main g-C3N4 precursor) and ammonium sulfate (sulfur source and structure promoter). Different content of ammonium sulfate was examined to find the optimal synthesis conditions and to investigate the property-governed activity. The physicochemical properties of the obtained photocatalysts were analyzed by X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM), scanning transmission electron microscopy (STEM), specific surface area (BET) measurement, ultraviolet-visible light diffuse reflectance spectroscopy (UV/vis DRS), X-ray photoelectron spectroscopy (XPS), photoluminescence (PL) spectroscopy and reversed double-beam photo-acoustic spectroscopy (RDB-PAS). The as-prepared S-doped g-C3N4 photocatalysts were applied for photocatalytic H2 evolution under vis irradiation. The condition-dependent activity was probed to achieve the best photocatalytic performance. It was demonstrated that ammonium sulfate played a crucial role to achieve concurrently 2D morphology, controlled nanostructure, and S-doping of g-C3N4 in a one-pot process. The 2D nanoporous S-doped g-C3N4 of crumpled lamellar-like structure with large specific surface area (73.8 m2 g-1) and improved electron-hole separation showed a remarkable H2 generation rate, which was almost one order in magnitude higher than that of pristine g-C3N4. It has been found that though all properties are crucial for the overall photocatalytic performance, efficient doping is probably a key factor for high photocatalytic activity. Moreover, the photocatalysts exhibit significant stability during recycling. Accordingly, a significant potential of S-doped g-C3N4 has been revealed for practical use under natural solar radiation.
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Affiliation(s)
- Tamer M. Khedr
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
- Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), Cairo 11421, Egypt
| | - Said M. El-Sheikh
- Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), Cairo 11421, Egypt
| | - Maya Endo-Kimura
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Kunlei Wang
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Bunsho Ohtani
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
| | - Ewa Kowalska
- Institute for Catalysis, Hokkaido University, N21, W10, Sapporo 001-0021, Japan
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
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13
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Lu Q, Abdelgawad A, Li J, Eid K. Non-Metal-Doped Porous Carbon Nitride Nanostructures for Photocatalytic Green Hydrogen Production. Int J Mol Sci 2022; 23:15129. [PMID: 36499453 PMCID: PMC9735614 DOI: 10.3390/ijms232315129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 12/04/2022] Open
Abstract
Photocatalytic green hydrogen (H2) production through water electrolysis is deemed as green, efficient, and renewable fuel or energy carrier due to its great energy density and zero greenhouse emissions. However, developing efficient and low-cost noble-metal-free photocatalysts remains one of the daunting challenges in low-cost H2 production. Porous graphitic carbon nitride (gCN) nanostructures have drawn broad multidisciplinary attention as metal-free photocatalysts in the arena of H2 production and other environmental remediation. This is due to their impressive catalytic/photocatalytic properties (i.e., high surface area, narrow bandgap, and visible light absorption), unique physicochemical durability, tunable electronic properties, and feasibility to synthesize in high yield from inexpensive and earth-abundant resources. The physicochemical and photocatalytic properties of porous gCNs can be easily optimized via the integration of earth-abundant heteroatoms. Although there are various reviews on porous gCN-based photocatalysts for various applications, to the best of our knowledge, there are no reviews on heteroatom-doped porous gCN nanostructures for the photocatalytic H2 evolution reaction (HER). It is essential to provide timely updates in this research area to highlight the research related to fabrication of novel gCNs for large-scale applications and address the current barriers in this field. This review emphasizes a panorama of recent advances in the rational design of heteroatom (i.e., P, O, S, N, and B)-doped porous gCN nanostructures including mono, binary, and ternary dopants for photocatalytic HERs and their optimized parameters. This is in addition to H2 energy storage, non-metal configuration, HER fundamental, mechanism, and calculations. This review is expected to inspire a new research entryway to the fabrication of porous gCN-based photocatalysts with ameliorated activity and durability for practical H2 production.
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Affiliation(s)
- Qingqing Lu
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Ahmed Abdelgawad
- Gas Processing Center (GPC), College of Engineering, Qatar University, Doha 2713, Qatar
| | - Jiaojiao Li
- Engineering & Technology Center of Electrochemistry, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Kamel Eid
- Gas Processing Center (GPC), College of Engineering, Qatar University, Doha 2713, Qatar
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Ren S, Cheng S, Wang Q, Zheng Z. Molecularly imprinted voltammetric sensor sensibilized by nitrogen-vacancy graphitized carbon nitride and Ag-MWCNTs towards the detection of acetaminophen. J Mol Recognit 2022; 35:e2992. [PMID: 36089774 DOI: 10.1002/jmr.2992] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/06/2022] [Accepted: 09/07/2022] [Indexed: 01/05/2023]
Abstract
The overdose of acetaminophen (AP) can cause serious acute liver injury even the irreversible liver necrosis. The quantitative detection of AP is of great significance not only for clinical applications but also for the quantity control of its pharmaceutical formulations. In this paper, a sensitive molecularly imprinted voltammetric sensor towards AP was constructed based on synergistic enhancement of nitrogen-vacancy graphitized carbon nitride (NV-g-C3 N4 ) and carboxylated MWCNTs loaded with silver nanoparticles (Ag-MWCNTs). The powder X-Ray diffraction spectrum, field emission scanning and transmission electron microscopes, cyclic voltammetry (CV), and electrochemical impedance spectrum were used to characterize the composites. The results show that NV-g-C3 N4 and Ag-MWCNTs closely embedded each other, forming loose porous hybrid structure by hydrogen bond. The prepared sensor molecular imprinting polymer (MIP)/C3 N4 /Ag-CNTs/GCE shows a strong synergistic enhancement of electroanalytical response by CV and differential pulse voltammetry (DPV) tests when compared with NV-g-C3 N4 /GCE, Ag-CNTs/GCE, and MIP/GCE. Through the optimization of the ratio of monomer and template, electropolymerization cycle, elution cycle, incubation time, and pH, linear ranges of 0.007-5 and 5-100 μM were found with the limit of detection of 2.33 nM by DPV. Moreover, its selectivity towards AP was satisfied when compared with detection towards ascorbic acid, dopamine, and glucose. The recovery range of 96.3%-100.5% was obtained in the spiked human serum and urine samples with the SD below 3.0%. In addition, the prepared sensor shows great detecting robustness with good anti-interference, reproducibility, and stability.
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Affiliation(s)
- Shufang Ren
- Key Laboratory of Evidence Science Techniques Research and Application of Gansu Province, Gansu University of Political Science and Law, Lanzhou, China
| | - Shounian Cheng
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, China
| | - Qingtao Wang
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, China
| | - Zhixiang Zheng
- Key Laboratory of Evidence Science Techniques Research and Application of Gansu Province, Gansu University of Political Science and Law, Lanzhou, China
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15
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Self-supporting porous S-doped graphitic carbon nitride as a multifunctional support of Au catalyst: Application to highly sensitive and selective determination of arsenic (III) in a wide range of pH. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Zeng Y, Zhan X, Li H, Xiong X, Hong B, Xia Y, Ding Y, Wang X. Bottom-to-Up Synthesis of Functional Carbon Nitride Polymer: Design Principles, Controlled Synthesis and Applications. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Kumar Y, Kumar R, Raizada P, Parwaz Khan AA, Nguyen VH, Kim SY, Le QV, Selvasembian R, Singh A, Gautam S, Nguyen CC, Singh P. Recent progress on elemental sulfur based photocatalysts for energy and environmental applications. CHEMOSPHERE 2022; 305:135477. [PMID: 35760133 DOI: 10.1016/j.chemosphere.2022.135477] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 06/03/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
The growing needs of the rising population and blatant misuse of resources have contributed enormously to environmental problems. Among the various methods, photocatalysis has emerged as one of the effective remediation methods. The continuous search for effective photocatalysts that can be made from abundant, cheap, non-toxic materials is going on. Although sulfur is a known insulator, recent sulfur use as a visible light photocatalyst has ushered a new era in this direction. Sulfur is a non-toxic, cheap, and abundant photocatalyst, exhibiting significant photocatalytic properties. But, hydrophobicity, poor light-harvesting and high recombination rate of charge carriers in elemental sulfur photocatalyst are some of the major drawbacks of the elemental sulfur photocatalyst. The photocatalytic activity of sulfur as a single element was low, but various methods such as nanoscaling, heterojunction formation, doping and surface modifications have been used to enhance it. The review highlights sulfur's crystal structure, electronic and optical properties, and morphological changes, making it an excellent visible light photocatalyst. The article points to the limitations of sulfur as a single photocatalyst and various strategies to improve the shortcomings. More recently, there has been an emphasis on the synthesis of metal-free photocatalysts. This review provides its readers with a comprehensive detail of sulfur being used as a dopant in improving the photocatalytic properties of metal-free photocatalysts and their environmental remediation use. Finally, the conclusion and future perspectives for sulfur-based nanostructures are presented.
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Affiliation(s)
- Yogesh Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India; Department of Chemistry, Government Degree College, Solan, HP, 173212, India
| | - Rohit Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P. O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district, 603103, Tamil Nadu, India.
| | - Soo Young Kim
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea.
| | - Rangabhashiyam Selvasembian
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, 613401, Tamil Nadu, India
| | - Archana Singh
- CSIR Advanced Materials and Processes Research Institute, Bhopal, India
| | - Sourav Gautam
- Department of Chemistry, School of Basic & Applied Sciences, Maharaja Agrasen University, H.P, 174103, India
| | - Chinh Chien Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173212, India.
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. P, Kumar N, Kapoor A, Rajput J, Singh D, . V. Fabrication and Characterization of Sulphur‐Doped Graphitic Carbon Nitride Nanosheets as a Highly Selective and Ultrasensitive Electrochemical Sensor for Detection of 2,4‐Dinitrophenol in Real Gym Supplements. ELECTROANAL 2022. [DOI: 10.1002/elan.202200283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Photocatalytic Applications of g-C3N4 Based on Bibliometric Analysis. Catalysts 2022. [DOI: 10.3390/catal12091017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
To further understand the application of g-C3N4 in the field of photocatalysis, this study focuses on the visualization and analysis of articles in this field using VOSviewer and Citespace. These articles were analyzed in terms of number of articles, journals, authors, countries and keywords, respectively. The results show that there is little collaboration among the core authors in this field and insufficient cross-directional communication; the current applications of g-C3N4 are concentrated on hydrogen evolution, CO2 reduction and water treatment. The developing trend is in the direction of constructing Z-scheme structures, regulating the separation of photogenerated carriers and reducing the recombination rate, to which more and more attention is being paid. In the future, cross-directional communication among scholars can be strengthened to promote faster development of the field of photocatalytic applications of g-C3N4.
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20
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Synergizing n → π* electronic transition and plasmonic hot electron injection enhances carrier generation of S-doped carbon nitride decorated with Au nanoparticles for Cr(VI) degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Kumar Singh A, Das C, Indra A. Scope and prospect of transition metal-based cocatalysts for visible light-driven photocatalytic hydrogen evolution with graphitic carbon nitride. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214516] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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22
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Zhang W, Xu D, Wang F, Liu H, Chen M. Enhanced photocatalytic performance of S/Cd co-doped g-C3N4 nanorods for degradation of dyes. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Cao S, Zhang Y, Ding K, Xu J, Zhao Y, Wang Y, Xie X, Wang H. Efficient visible light driven degradation of antibiotic pollutants by oxygen-doped graphitic carbon nitride via the homogeneous supramolecular assembly of urea. ENVIRONMENTAL RESEARCH 2022; 210:112920. [PMID: 35167850 DOI: 10.1016/j.envres.2022.112920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/01/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
Graphitic carbon nitride (CN), as a non-metal material, has emerged as a promising photocatalyst to address environmental issues with the favorable band gap and chemical stability. The porous oxygen-doped CN nanosheets (CNO) were synthesized by an ecofriendly and efficient self-assembled approach using a sole urea as the precursor. The CNO photocatalysts were derived from the hydrogen-bonded cyanuric acid-urea supramolecular complex, which were obtained by pretreatment of urea at high temperature and pressure. The homogeneous supramolecular assembly was advantageous to the formation of uniform porous and oxygen-doped CN nanosheets. The formation process of the supramolecular intermediate and the CNO nanosheets were investigated. Moreover, doping amount of O in CNO could be controlled by the time of the high-pressure thermal polymerization of urea. The characterization results shown that the O atoms were successfully doped into the framework of CN by substitution the N atoms to form the C-O structures. The obtained CNO photocatalysts demonstrated the excellent visible-light photocatalytic performances for sulfamerazine (SMR) degradation, which was ascribed to synergistic interaction of porous structure and O doping. The degradation intermediates of SMR were identified and the degradation pathway were also proposed. Furthermore, density functional theory (DFT) calculations proved that O doping changed the electronic structure of CN, resulting in more easier to activate O2. This work provides a novel perceptive for the development of high-performance nonmetal photocatalysts by using the homogeneous supramolecular assembly, which exhibits great potential in the environmental treatment.
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Affiliation(s)
- Shihai Cao
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Yu Zhang
- Key Laboratory of Jiangsu Province for Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Keqiang Ding
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Jianhua Xu
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), College of Chemical Engineering, Nanjing Forestry University, 210037, China
| | - Yuqi Zhao
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Yi Wang
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Xianchuan Xie
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resources Environmental & Chemical Engineering, Nanchang University, Nanchang, 330031, China; Jiangxi Nanxin Environmental Protection Technology Co. LTD, Jiujiang City of Jiangxi Province, 330300, China.
| | - Huiya Wang
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China.
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24
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Tian Y, Zhang J, Wang W, Liu J, Zheng X, Li J, Guan X. Facile assembly and excellent elimination behavior of porous BiOBr-g-C 3N 4 heterojunctions for organic pollutants. ENVIRONMENTAL RESEARCH 2022; 209:112889. [PMID: 35131321 DOI: 10.1016/j.envres.2022.112889] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 01/29/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
Photocatalysis can be an effective technique for eliminating organic contaminants from water. In this study, BiOBr flower-spheres coupled with porous graphite carbon nitride (g-C3N4) were synthesized by controlling the dosage of cetyltrimethylammonium bromide (CTAB). Various characterization techniques were then applied to elucidate the structure-performance relationships of the resulting heterojunction photocatalysts in degrading organic dyes. Experimental results established an optimal molar ratio for KBr to CTAB of 5:1. Benefiting from a remarkable porous structure and tight coupling between porous g-C3N4 and BiOBr, the optimal BiOBr-g-C3N4(2%) exhibited enhanced visible light absorption capability and promoted the separation of photoinduced carriers. Total removal efficiency for rhodamine B (RhB, 25.0 mL, 20.0 mg L-1) reached 87% within 30 min in the presence of BiOBr-g-C3N4(2%) (20.0 mg) (i.e., 1.51 μmol (gphotocatalyst min)-1), which is superior to the performance of BiOBr (72%) (i.e., 1.25 μmol (gphotocatalyst min)-1), g-C3N4 (21%) (i.e., 0.37 μmol (gphotocatalyst min)-1). Furthermore, the photocatalytic reaction rate constant over the optimal heterojunction was 0.034 min-1, which is significantly larger than those of porous g-C3N4 (0.003 min-1) and BiOBr (0.015 min-1). Moreover, this type II heterojunction showed good universality for other organic dyes (such as methyl violet, methylene blue, and crystal violet), highlighting a promising potential role in the elimination of environmental pollutants.
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Affiliation(s)
- Yanan Tian
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Junyang Zhang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Wanyi Wang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Jianhui Liu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiucheng Zheng
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
| | - Jun Li
- Henan Institutes of Advanced Technology, Zhengzhou University, Zhengzhou, 450003, China.
| | - Xinxin Guan
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.
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25
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Zhang H, Liu J, Jiang L. Photocatalytic hydrogen evolution based on carbon nitride and organic semiconductors. NANOTECHNOLOGY 2022; 33:322001. [PMID: 35447618 DOI: 10.1088/1361-6528/ac68f6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 04/21/2022] [Indexed: 06/14/2023]
Abstract
Photocatalytic hydrogen evolution (PHE) presents a promising way to solve the global energy crisis. Metal-free carbon nitride (CN) and organic semiconductors photocatalysts have drawn intense interests due to their fascinating properties such as tunable molecular structure, electronic states, strong visible-light absorption, low-cost etc. In this paper, the recent progresses of photocatalytic hydrogen production based on organic photocatalysts, including CN, linear polymers, conjugated porous polymers and small molecules, are reviewed, with emphasis on the various strategies to improve PHE efficiency. Finally, the possible future research trends in the organic photocatalysts are prospected.
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Affiliation(s)
- Hantang Zhang
- College of Chemistry and Material Science, Shandong Agriculture University, Taian 271000, People's Republic of China
| | - Jie Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Science, Beijing 100190, People's Republic of China
| | - Lang Jiang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Science, Beijing 100190, People's Republic of China
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26
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Gai Q, Ren S, Zheng X, Liu W, Dong Q. Optimized hot electron injection from Cu nanoparticles to S-doped C 3N 4 by the formed S-Cu bonds for an enhanced photocatalytic performance. Phys Chem Chem Phys 2022; 24:7521-7530. [PMID: 35289814 DOI: 10.1039/d1cp05743j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Low-cost and high-abundance Cu nanostructures are potential near-infrared (NIR) surface plasmonic resonance (SPR) photosensitizers for carbon nitride (C3N4) photocatalysts, but their low activity and stability need to be improved. In this article, doping S into C3N4 (S-C3N4) creates anchoring sites for photo-deposited Cu nanoparticles (NPs), and the spontaneous construction of S-Cu bonds is realized between S-C3N4 and Cu NPs. The optimal hydrogen evolution rate of 1.64 mmol g-1 h-1 is obtained for S-C3N4-Cu, which is 5.5, 4.6 and 1.7 times that of pure C3N4, S-C3N4 and S-C3N4-Cu, respectively. With further loading of a Pt co-catalyst to confirm the role of Cu NPs and improve the photocatalytic activity of the SCN-Cu, the photocatalytic rate can reach up to 14.34 mmol g-1 h-1. Due to the NIR SPR effect of Cu NPs, the apparent quantum efficiency (AQE) of S-C3N4-Cu at 600 and 765 nm is 2.02% and 0.47%, respectively. The enhanced photocatalytic performance of S-C3N4-Cu compared with C3N4-Cu is mainly due to the introduced S-Cu bonds that improve the injection rate of hot electrons. This solution provides a simple and efficient interface optimization strategy for the construction of efficient NIR-driven photocatalysts.
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Affiliation(s)
- Qixiao Gai
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, People's Republic of China. .,Department of Physics, Harbin Institute of Technology, Harbin 150001, People's Republic of China
| | - Shoutian Ren
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, People's Republic of China.
| | - Xiaochun Zheng
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, People's Republic of China. .,Department of Physics, Harbin Institute of Technology, Harbin 150001, People's Republic of China
| | - Wenjun Liu
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, People's Republic of China.
| | - Quanli Dong
- Department of Optoelectronic Science, Harbin Institute of Technology at Weihai, Weihai 264209, People's Republic of China.
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27
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Wang H, Li X, Zhao X, Li C, Song X, Zhang P, Huo P, Li X. A review on heterogeneous photocatalysis for environmental remediation: From semiconductors to modification strategies. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63910-4] [Citation(s) in RCA: 108] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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28
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Gao LJ, Weng CC, Wang YS, Lv XW, Ren JT, Yuan ZY. Defect-rich cobalt pyrophosphate hybrids decorated Cd 0.5Zn 0.5S for efficient photocatalytic hydrogen evolution: Defect and interface engineering. J Colloid Interface Sci 2022; 606:544-555. [PMID: 34416450 DOI: 10.1016/j.jcis.2021.08.041] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 01/19/2023]
Abstract
Photocatalysts with highly efficient charge separation are of critical significance for improving photocatalytic hydrogen production performance. Herein, a cost-effective and high-performance composite photocatalyst, cobalt-phosphonate-derived defect-rich cobalt pyrophosphate hybrids (CoPPi-M) modified Cd0.5Zn0.5S is rationally devised via defect and interface engineering, in which the co-catalyst CoPPi-M delivers a strong interaction with host photocatalyst Cd0.5Zn0.5S, rendering Cd0.5Zn0.5S/CoPPi-M with a remarkably improved efficiency of charge separation and migration. Besides, Cd0.5Zn0.5S/CoPPi-M exhibits a hydrophilic surface with ample access to electrons and a strong reduction ability of electrons. Benefiting from these advantages, the integration of defect-rich cobalt pyrophosphate and Cd0.5Zn0.5S enables Cd0.5Zn0.5S/CoPPi-M-5% with high photocatalytic H2 production rate of 6.87 mmol g-1h-1, which is 2.46 times higher than that of pristine Cd0.5Zn0.5S, and the notable apparent quantum efficiency (AQE) is 20.7% at 420 nm. This work provides a promising route for promoting the photocatalytic performance of non-precious hybrid photocatalyst via defect and interface engineering, and advances energy-generation and environment-restoration devices.
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Affiliation(s)
- Li-Jiao Gao
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Chen-Chen Weng
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Yan-Su Wang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Xian-Wei Lv
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Jin-Tao Ren
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China
| | - Zhong-Yong Yuan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), School of Materials Science and Engineering, Nankai University, Tianjin 300350, China.
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Mousavi H. A comprehensive survey upon diverse and prolific applications of chitosan-based catalytic systems in one-pot multi-component synthesis of heterocyclic rings. Int J Biol Macromol 2021; 186:1003-1166. [PMID: 34174311 DOI: 10.1016/j.ijbiomac.2021.06.123] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 05/16/2021] [Accepted: 06/16/2021] [Indexed: 12/12/2022]
Abstract
Heterocyclic compounds are among the most prestigious and valuable chemical molecules with diverse and magnificent applications in various sciences. Due to the remarkable and numerous properties of the heterocyclic frameworks, the development of efficient and convenient synthetic methods for the preparation of such outstanding compounds is of great importance. Undoubtedly, catalysis has a conspicuous role in modern chemical synthesis and green chemistry. Therefore, when designing a chemical reaction, choosing and or preparing powerful and environmentally benign simple catalysts or complicated catalytic systems for an acceleration of the chemical reaction is a pivotal part of work for synthetic chemists. Chitosan, as a biocompatible and biodegradable pseudo-natural polysaccharide is one of the excellent choices for the preparation of suitable catalytic systems due to its unique properties. In this review paper, every effort has been made to cover all research articles in the field of one-pot synthesis of heterocyclic frameworks in the presence of chitosan-based catalytic systems, which were published roughly by the first quarter of 2020. It is hoped that this review paper can be a little help to synthetic scientists, methodologists, and catalyst designers, both on the laboratory and industrial scales.
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Affiliation(s)
- Hossein Mousavi
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran.
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Chen T, Hu S, Xing Q, Yu X, Chen J, Li X, Xu X, Zhang B. In situ formation of 2-thiobarbituric acid incorporated g-C 3N 4 for enhanced visible-light-driven photocatalytic performance. RSC Adv 2021; 11:21084-21096. [PMID: 35479385 PMCID: PMC9034024 DOI: 10.1039/d1ra02121d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 05/08/2021] [Indexed: 12/28/2022] Open
Abstract
Embedding heterocycles into the skeleton of g-C3N4 has been proved to be a simple and efficient strategy for improving light response and the separation of photo-excited charges. Herein, 2-thiobarbituric acid incorporated g-C3N4 (TBA/CN) with good photocatalytic efficiency for Rh B degradation and H2 production was successfully achieved via a facile thermal copolymerization approach. The incorporation of aromatics and S atoms into the skeleton of g-C3N4 was identified via systematic characterizations. This unique structure contributed to the narrowed band-gap, extended delocalization of lone pair electrons and changed electron transition pathway, which led to the enhanced visible light utilization, accelerated charge migration and prolonged electron lifetime, subsequently resulting in the significant boost of photocatalytic activity. The optimal TBA/CN-3 sample yielded the largest Rh B degradation rate constant k value of 0.0273 min−1 and simultaneously highest rate of H2 evolution of 0.438 mmol g−1 h−1, which were almost 3.5 and 3.8 folds as fast as that of the pristine CN, respectively. Finally, the photocatalytic mechanism was proposed for the detailed elucidation of the process of Rh B degradation coupled with H2 production. Embedding heterocycles into the skeleton of g-C3N4 has been proved to be a simple and efficient strategy for improving light response and the separation of photo-excited charges.![]()
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Affiliation(s)
- Tingting Chen
- School of Environment and Safety Engineering, Jiangsu University Zhenjiang 212013 PR China
| | - Shan Hu
- School of Environment and Safety Engineering, Jiangsu University Zhenjiang 212013 PR China.,Jiangsu Province Synergistic Innovation Center of Modern Agricultural Equipment and Technology Zhenjiang 212013 PR China
| | - Quanfeng Xing
- School of Environment and Safety Engineering, Jiangsu University Zhenjiang 212013 PR China
| | - Xiaofeng Yu
- School of Pharmacy, Jiangsu University Zhenjiang 212013 PR China
| | - Jinming Chen
- School of Pharmacy, Jiangsu University Zhenjiang 212013 PR China
| | - Xiaolong Li
- School of Pharmacy, Jiangsu University Zhenjiang 212013 PR China
| | - Xiuquan Xu
- School of Pharmacy, Jiangsu University Zhenjiang 212013 PR China
| | - Bo Zhang
- School of Environment and Safety Engineering, Jiangsu University Zhenjiang 212013 PR China.,Jiangsu Province Synergistic Innovation Center of Modern Agricultural Equipment and Technology Zhenjiang 212013 PR China
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Zhang D, He W, Ye J, Gao X, Wang D, Song J. Polymeric Carbon Nitride-Derived Photocatalysts for Water Splitting and Nitrogen Fixation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2005149. [PMID: 33690963 DOI: 10.1002/smll.202005149] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/20/2020] [Indexed: 06/12/2023]
Abstract
Photocatalysis is a promising energy conversion and environmental restoration technology. The main focus of photocatalysis is the development and manufacture of highly efficient photocatalysts. Semiconductor-based photocatalysis technology based on harnessing solar energy is considered as an attractive approach to solve the problems of global energy shortage and environmental pollution. Since 2009 pioneering work has been carried out on polymeric carbon nitride (PCN) for visible photocatalytic water splitting, thus PCN-based photocatalysis has become a hot research topic, demanding significant research attention. This article reviews the physical and chemical properties, synthesis methods, and the methods to control the morphology, heteroatom doping, and construction of heterojunctions to improve the performance of PCN-based photocatalysts in water splitting and nitrogen fixation. Through different design strategies, the photo-generated electron-hole pair separation efficiency of PCN materials can be effectively improved, thereby improving their photocatalytic performance. Finally, the challenges of PCN-based photocatalysts in water splitting and nitrogen fixation applications are discussed herein. It is strongly believed that through different design strategies, efficient PCN-based photocatalysts can be constructed for both water splitting and nitrogen reduction. These excellent modification strategies can be used as a guiding theory for photocatalytic reactions of other promising catalysts and further promote the development of photocatalysis.
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Affiliation(s)
- Deliang Zhang
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science (MOE), and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Wen He
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
| | - Jiamin Ye
- MOE key Laboratory for Analytical Science of Food Safety and Biology College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
| | - Xing Gao
- School of Chemical and Biological Engineering, Qilu Institute of Technology, Jinan, 250200, P. R. China
| | - Debao Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science (MOE), and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Jibin Song
- MOE key Laboratory for Analytical Science of Food Safety and Biology College of Chemistry, Fuzhou University, Fuzhou, 350108, P. R. China
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32
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Kuila SK, Gorai DK, Gupta B, Gupta AK, Tiwary CS, Kundu TK. Lanthanum ions decorated 2-dimensional g-C 3N 4 for ciprofloxacin photodegradation. CHEMOSPHERE 2021; 268:128780. [PMID: 33187655 DOI: 10.1016/j.chemosphere.2020.128780] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/05/2020] [Accepted: 10/26/2020] [Indexed: 05/25/2023]
Abstract
The low band gap energy and high surface area two-dimensional materials allow it to tune its basic properties using surface decoration. Here, La3+ are decorated on two-dimensional graphitic carbon nitride using a simple and easily scalable chemisorption process with an adsorption capacity of 657.32 mg g-1. In the X-ray diffraction (XRD) study, the positive slope of the W-H plot elucidates the tensile strain generation (0.103) in La3+ ions decorated 2D-g-C3N4 (La3+-2D-g-C3N4). The high-resolution transmission electron microscope (HR-TEM) study and the higher ID/IG ratio (0.82) in the Raman spectroscopy study confirm the more defects intensification in La3+-2D-g-C3N4. The reduction in band gap energy for La3+-2D-g-C3N4 (from 2.83 eV to 2.21 eV) has shown a good correspondence with the band structures study as obtained from the DFT study. In the DFT study, the significant contributions of N atoms in charge transfer validate the N 1s findings from the X-ray photoelectron spectroscopy (XPS) study for La3+-2D-g-C3N4. La3+-2D-g-C3N4 shows the photodegradation efficiency (93%) of ciprofloxacin under UV irradiation, which is superior to pristine 2D-g-C3N4 (82%) as well as other g-C3N4 based nanocatalysts. Also, La3+ decoration results in enhancement (32.3%) in photodegradation kinetics rate. The degradation and kinetics studies in the presence of different scavengers ensure that the O2- and OH- radicals are mostly responsible for the ciprofloxacin photodegradation. The Liquid chromatographic-mass spectroscopy and the high-performance liquid chromatography studies confirm the photodegradation. The reusability of La3+-2D-g-C3N4 is tested up to the fifth cycle. FTIR and UV-visible absorption spectroscopy confirm the stability of the used photocatalyst.
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Affiliation(s)
- Saikat Kumar Kuila
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 721302
| | - Deepak Kumar Gorai
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 721302
| | - Bramha Gupta
- School of Water Resources, Indian Institute of Technology Kharagpur, West Bengal, India, 721302
| | - Ashok Kumar Gupta
- Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 721302
| | - Chandra Sekhar Tiwary
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 721302
| | - Tarun Kumar Kundu
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, West Bengal, India, 721302.
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Ashrafi H, Akhond M, Zare M, Absalan G. Characterizing Carbon Ring-C 3N 4 Nanosheets as a Light-Harvesting and Charge Carrier Transfer Agent: Photodegradation of Methylene Blue and Photoconversion of CO 2 to CH 4 as Case Studies. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05626] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hossein Ashrafi
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Morteza Akhond
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Maryam Zare
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
| | - Ghodratollah Absalan
- Professor Massoumi Laboratory, Department of Chemistry, College of Sciences, Shiraz University, Shiraz 71454, Iran
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Zhuang G, Fang Q, Wei J, Yang C, Chen M, Lyu Z, Zhuang Z, Yu Y. Branched In 2O 3 Mesocrystal of Ordered Architecture Derived from the Oriented Alignment of a Metal-Organic Framework for Accelerated Hydrogen Evolution over In 2O 3-ZnIn 2S 4. ACS APPLIED MATERIALS & INTERFACES 2021; 13:9804-9813. [PMID: 33601886 DOI: 10.1021/acsami.0c19806] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
It is fascinating yet challenging to assemble anisotropic nanowires into ordered architectures of high complexity and intriguing functions. We exploited a facile strategy involving oriented etching of a metal-organic fragment (MOF) to advance the rational design of highly ordered nanostructures. As a proof of concept, a microscale MIL-68(In) single crystal was etched with a K3[Co(CN)6] solution to give a microtube composed of aligned MIL-68(In) nanorods. Annealing such a MIL-68(In) microtube readily created an unprecedented branched In2O3 mesocrystal by assembly of In2O3 nanorods aligned in order. The derived ordered-In2O3-ZnIn2S4 is more efficient in catalyzing visible-light-driven H2 evolution (8753 μmol h-1 g-1) outperforming the disordered-In2O3-ZnIn2S4 counterpart (2700 μmol h-1 g-1) as well as many other state-of-the-art ZnIn2S4-based photocatalysts. The ordered architecture significantly boosts the short-range electron transfer in an In2O3-ZnIn2S4 heterojunction but has a negligible impact on the long-range electron transfer among In2O3 mesocrystals. The density functional theory (DFT) calculation reveals that the oriented etching is achieved by the selective binding of the [Co(CN)6]3- etchant on the (110) plane of MIL-68(In), which can drag the In atoms out of the framework in order. Our findings could broaden the technical sense toward advanced photocatalyst design and impose scientific impacts on unveiling how ordered photosystems operate.
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Affiliation(s)
- Guoxin Zhuang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Qihui Fang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Jinxin Wei
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Chengkai Yang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871 China
| | - Muqing Chen
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Zikun Lyu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Zanyong Zhuang
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
| | - Yan Yu
- College of Materials Science and Engineering, Fuzhou University, New Campus, Minhou, Fujian 350108, China
- Key Laboratory of Advanced Materials Technologies (Fuzhou University), Fujian Province University, Fuzhou 350108, China
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Yu Y, Wu K, Xu W, Chen D, Fang J, Zhu X, Sun J, Liang Y, Hu X, Li R, Fang Z. Adsorption-photocatalysis synergistic removal of contaminants under antibiotic and Cr(VI) coexistence environment using non-metal g-C 3N 4 based nanomaterial obtained by supramolecular self-assembly method. JOURNAL OF HAZARDOUS MATERIALS 2021; 404:124171. [PMID: 33049640 DOI: 10.1016/j.jhazmat.2020.124171] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/01/2020] [Accepted: 09/30/2020] [Indexed: 06/11/2023]
Abstract
Due to the rapid development of modern industry, the coexistence of antibiotics and inorganic heavy metals pollutants in wastewater has become a universal phenomenon. Therefore, developing efficient and eco-friendly photocatalyst for mixed pollutants degradation is significant. In this work, a well-designed phosphorus and sulfur co-doped g-C3N4 with feeble N vacancies catalyst (P/S-g-C3Nx) was fabricated by supramolecular self-assembly method, and was applied to remove berberine hydrochloride (BH) and Cr(VI) simultaneously with the synergy of adsorption-photocatalysis. A series of experiments was conducted to unveil the synergistic mechanism. The kinetic models indicated that the adsorption of P/S-g-C3Nx improved the BH removal process by accelerating the photo-degradation, because the adsorption rate > surface degradation rate > bulk degradation rate. Besides, the photo-degradation process improved the BH removal rate by regenerating the adsorption sites of P/S-g-C3Nx. Moreover, from the experiments in BH-Cr(VI) mixed solution system, the existence of BH also enhanced the surface adsorption of Cr(VI) in P/S-g-C3Nx sample, and the reduction rate of Cr(VI) was also promoted with the existence of BH. Overall, the results of this investigation suggest that the adsorption-photocatalysis synergy method is an efficient way to eliminate organic pollutant and Cr(VI) simultaneously.
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Affiliation(s)
- Yutang Yu
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Kun Wu
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Weicheng Xu
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Dongdong Chen
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Jianzhang Fang
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China; Guangdong provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Technology Research Center for Ecological Management and Remediation of Urban Water System, Guangzhou 510006, China.
| | - Ximiao Zhu
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China.
| | - Jianliang Sun
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Ying Liang
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Xingyu Hu
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Runqi Li
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Zhanqiang Fang
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China; Guangdong Technology Research Center for Ecological Management and Remediation of Urban Water System, Guangzhou 510006, China
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Liu X, Li J, Li N, Li B, Bu X. Recent Advances on Metal‐Organic Frameworks in the Conversion of Carbon Dioxide. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000357] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiongli Liu
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry, Nankai University Tianjin 300350 China
| | - Jinli Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry, Nankai University Tianjin 300350 China
| | - Na Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry, Nankai University Tianjin 300350 China
| | - Baiyan Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry, Nankai University Tianjin 300350 China
| | - Xian‐He Bu
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry, Nankai University Tianjin 300350 China
- College of Chemistry, State Key Laboratory of Elemento‐Organic Chemistry, Nankai University Tianjin 300071 China
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Thang NQ, Sabbah A, Chen LC, Chen KH, Hai LV, Thi CM, Viet PV. Localized surface plasmonic resonance role of silver nanoparticles in the enhancement of long-chain hydrocarbons of the CO2 reduction over Ag-gC3N4/ZnO nanorods photocatalysts. Chem Eng Sci 2021. [DOI: 10.1016/j.ces.2020.116049] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Efficient singlet oxygen generation by excitonic energy transfer on ultrathin g-C3N4 for selective photocatalytic oxidation of methyl-phenyl-sulfide with O2. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.07.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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39
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Doping of Graphitic Carbon Nitride with Non-Metal Elements and Its Applications in Photocatalysis. Catalysts 2020. [DOI: 10.3390/catal10101119] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
This review outlines the latest research into the design of graphitic carbon nitride (g-C3N4) with non-metal elements. The emphasis is put on modulation of composition and morphology of g-C3N4 doped with oxygen, sulfur, phosphor, nitrogen, carbon as well as nitrogen and carbon vacancies. Typically, the various methods of non-metal elements introducing in g-C3N4 have been explored to simultaneously tune the textural and electronic properties of g-C3N4 for improving its response to the entire visible light range, facilitating a charge separation, and prolonging a charge carrier lifetime. The application fields of such doped graphitic carbon nitride are summarized into three categories: CO2 reduction, H2-evolution, and organic contaminants degradation. This review shows some main directions and affords to design the g-C3N4 doping with non-metal elements for real photocatalytic applications.
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Lv H, Duan Y, Zhou X, Liu G, Wang X, Wang Y, Yuan M, Meng Q, Wang C. Visible-light-driven Ag/AgCl@In2O3: a ternary photocatalyst for the degradation of tetracycline antibiotics. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01293a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
After coupling with the Ag/AgCl, the obtained Ag/AgCl@In2O3 photocatalyst shows much higher photo-degradation of tetracycline antibiotics than that of In2O3.
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Affiliation(s)
- Haiqin Lv
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Guangdong Engineering and Technology Research Center for Environmental Purification and Functional Materials
- Guangzhou
| | - Yanyan Duan
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Laboratory of Environmental Science and Technology
- The Xinjiang Technical Institute of Physics and Chemistry
| | - Xin Zhou
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Guangdong Engineering and Technology Research Center for Environmental Purification and Functional Materials
- Guangzhou
| | - Guimei Liu
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Guangdong Engineering and Technology Research Center for Environmental Purification and Functional Materials
- Guangzhou
| | - Xin Wang
- International Academy of Optoelectronics at Zhaoqing
- South China Normal University
- Zhaoqing
- PR China
- Institute of Electronic Paper Displays
| | - Yuanhao Wang
- SUSTech Engineering Innovation Center
- School of Environmental Science and Engineering
- Southern University of Science and Technology
- Shenzhen
- PR China
| | - Mingzhe Yuan
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Guangdong Engineering and Technology Research Center for Environmental Purification and Functional Materials
- Guangzhou
| | - Qingguo Meng
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Guangdong Engineering and Technology Research Center for Environmental Purification and Functional Materials
- Guangzhou
| | - Chuanyi Wang
- Shenyang Institute of Automation, Guangzhou, Chinese Academy of Science
- Guangzhou
- PR China
- Laboratory of Environmental Science and Technology
- The Xinjiang Technical Institute of Physics and Chemistry
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