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Qi K, Imparato C, Almjasheva O, Khataee A, Zheng W. TiO 2-based photocatalysts from type-II to S-scheme heterojunction and their applications. J Colloid Interface Sci 2024; 675:150-191. [PMID: 38968635 DOI: 10.1016/j.jcis.2024.06.204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 06/23/2024] [Accepted: 06/26/2024] [Indexed: 07/07/2024]
Abstract
Photocatalysis is a promising sustainable technology to remove organic pollution and convert solar energy into chemical energy. Titanium dioxide has drawn extensive attention in this field owing to its high activity under UV light, good chemical stability, large availability, low price and low toxicity. However, the poor quantum efficiency derived from fast electron/hole recombination, the limited utilization of sunlight, and a weak reducing ability still hinder its practical application. Among the modification strategies of TiO2 to enhance its performance, the construction of heterojunctions with other semiconductors is a powerful and versatile way to maximise the separation of photogenerated charge carriers and steer their transport toward enhanced efficiency and selectivity. Here, the research progress and current status of TiO2 modification are reviewed, focusing on heterojunctions. A rapid evolution of the understanding of the different charge transfer mechanisms is witnessed from traditional type II to the recently conceptualised S-scheme. Particular attention is paid to different synthetic approaches and interface engineering methods designed to improve and control the interfacial charge transfer, and several cases of TiO2 heterostructures with metal oxides, metal sulfides and carbon nitride are discussed. The application hotspots of TiO2-based photocatalysts are summarized, including hydrogen generation by water splitting, solar fuel production by CO2 conversion, and the degradation of organic water pollutants. Hints about less studied and emerging processes are also provided. Finally, the main issues and challenges related to the sustainability and scalability of photocatalytic technologies in view of their commercialization are highlighted, outlining future directions of development.
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Affiliation(s)
- Kezhen Qi
- College of Pharmacy, Dali University, Dali 671000, Yunnan, China
| | - Claudio Imparato
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, 80125 Naples, Italy.
| | - Oksana Almjasheva
- Department of Physical Chemistry, Saint Petersburg Electrotechnical University "LETI", Saint Petersburg, 197022, Russia
| | - Alireza Khataee
- Department of Chemical Engineering, Istanbul Technical University, 34469 Istanbul, Turkey; Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya Street, Moscow, 117198, Russian Federation.
| | - Wenjun Zheng
- College of Chemistry, Nankai University, Tianjin 300071, Tianjin, China.
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2
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Khalid K, Zahra A, Amara U, Khalid M, Hanif M, Aziz M, Mahmood K, Ajmal M, Asif M, Saeed K, Qayyum MF, Abbas W. Titanium doped cobalt ferrite fabricated graphene oxide nanocomposite for efficient photocatalytic and antibacterial activities. CHEMOSPHERE 2023; 338:139531. [PMID: 37459929 DOI: 10.1016/j.chemosphere.2023.139531] [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: 02/02/2023] [Revised: 07/06/2023] [Accepted: 07/14/2023] [Indexed: 07/22/2023]
Abstract
Dyes and microbes are the main sources of water pollution and their treatment with titanium doped cobalt ferrite nanoparticles (CoTixFe2-xO4 NPs) is highly challenging due to the recombination ability of their electron-hole pairs which could be mitigated by making their composite with graphene oxide (GO). In the present study, titanium doped cobalt ferrite was fabricated on GO (CoTi0.2Fe1.8O4/GO NC) via the facile ultrasonication method and its confirmation was done by various analytical studies. Homogeneous dispersion of spherical CoTi0.2Fe1.8O4 NPs on the GO surface was realized by SEM analysis. Excellent crystallinity was corroborated by XRD while a Zeta Potential value -21.52 mV depicted exceptional stability. The photocatalytic power of CoTi0.2Fe1.8O/GO NC against Congo Red (CR) dye showed 91% degradation efficiency after 120 min visible light irradiation under optimum conditions of pH 9 and dye concentration 1 mg L-1 which was reasonably higher as compared to bare CoTi0.2Fe1.8O NPs (78% degradation efficiency). The improved photocatalytic performance is accredited to its narrow bandgap value (1.07 eV) and enhanced charge separation as indicated by the Tauc plot and Photoluminescence analysis, respectively. Additionally, CoTi0.2Fe1.8O/GO NC could be readily regenerated and reused five times with only ∼2% performance loss. Meanwhile, MICs of CoTi0.2Fe1.8O4/GO NC against P. aeruginosa and S. aureus were 0.046 and 0.093 mg mL-1 while MBCs were 0.093 and 0.187 mg mL-1, respectively. Thereby, optimized NC can open new avenues for the degradation of dyes from polluted water besides acting as a promising antimicrobial agent by rupturing the cell walls of pathogens.
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Affiliation(s)
- Kiran Khalid
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Anam Zahra
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Umay Amara
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Muhammad Khalid
- Department of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | - Muhammad Hanif
- Department of Pharmaceutics, faculty of Pharmacy, Bahauddin Zakariya University, Multan 608000, Pakistan.
| | - Mubashir Aziz
- Department of Microbiology and Molecular Genetics, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Khalid Mahmood
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan.
| | - Muhammad Ajmal
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan
| | - Muhammad Asif
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Kinza Saeed
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan 60800, Pakistan
| | | | - Waseem Abbas
- Department of Physics, Bahauddin Zakariya University, Multan 60800, Pakistan
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3
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Zhang J, Zhao Y, Zhang K, Zada A, Qi K. Sonocatalytic degradation of tetracycline hydrochloride with CoFe 2O 4/g-C 3N 4 composite. ULTRASONICS SONOCHEMISTRY 2023; 94:106325. [PMID: 36801673 PMCID: PMC9945770 DOI: 10.1016/j.ultsonch.2023.106325] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/22/2023] [Accepted: 02/08/2023] [Indexed: 05/23/2023]
Abstract
In this work, different mass percent ratios of CoFe2O4 coupled g-C3N4 (w%-CoFe2O4/g-C3N4, CFO/CN) nanocomposites were integrated through a hydrothermal process for the sonocatalytic eradication of tetracycline hydrochloride (TCH) from aqueous media. The prepared sonocatalysts were subjected to various techniques to investigate their morphology, crystallinity, ultrasound wave capturing activity and charge conductivity. From the investigated activity of the composite materials, it has been registered that the best sonocatalytic degradation efficiency of 26.71 % in 10 min was delivered when the amount of CoFe2O4 was 25% in the nanocomposite. The delivered efficiency was higher than that of bare CoFe2O4 and g-C3N4. This enriched sonocatalytic efficiency was credited to the accelerated charge transfer and separation of e--h+ pair through the S-scheme heterojunctional interface. The trapping experiments confirmed that all the three species i.e. •OH, h+ and •O2- were involved in the eradication of antibiotics. A strong interaction was shown up between CoFe2O4 and g-C3N4 in the FTIR study to support charge transfer as confirmed from the photoluminescence and photocurrent analysis of the samples. This work will provide an easy approach for fabricating highly efficient low-cost magnetic sonocatalysts for the eradication of hazardous materials present in our environment.
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Affiliation(s)
- Jingjing Zhang
- College of Pharmacy, Dali University, Dali 671000, Yunnan, China
| | - Yue Zhao
- College of Pharmacy, Dali University, Dali 671000, Yunnan, China
| | - Kai Zhang
- College of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000 China; College of Science and Technology, Hebei Agricultural University, Cangzhou 061100 China.
| | - Amir Zada
- Department of Chemistry, Abdul Wali Khan University, Mardan, Khyber Pakhtunkhwa, 23200, Pakistan.
| | - Kezhen Qi
- College of Pharmacy, Dali University, Dali 671000, Yunnan, China.
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Zhang J, Gu X, Zhao Y, Zhang K, Yan Y, Qi K. Photocatalytic Hydrogen Production and Tetracycline Degradation Using ZnIn 2S 4 Quantum Dots Modified g-C 3N 4 Composites. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13020305. [PMID: 36678056 PMCID: PMC9866619 DOI: 10.3390/nano13020305] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 05/12/2023]
Abstract
In this work, ZnIn2S4/g-C3N4 (ZIS/CN) composites were synthesized by in-situ growth method, which showed excellent photocatalytic activity in the degradation of tetracycline and hydrogen production from water under visible light irradiation. ZnIn2S4 quantum dots (ZIS QDs) tightly combined with sheet g-C3N4 (CN) to accelerate the separation and transportation of photogenerated charges for enhanced photocatalytic activity. Among the prepared nanocomposites, 20%ZnIn2S4 QDs/g-C3N4 (20%ZIS/CN) delivered the highest photocatalytic activity. After 120 min of irradiation, the degradation rate of tetracycline with 20%ZIS/CN was 54.82%, 3.1 times that of CN while the rate of hydrogen production was 75.2 μmol·g-1·h-1. According to the optical and electrochemical characterization analysis, it was concluded that the excellent photocatalytic activities of the composite materials were mainly due to the following three points: enhancement in light absorption capacity, acceleration in the charge transport, and reduction in the carrier recombination rate through the formation of S-scheme heterojunction in the composite system. The high photocatalytic activity of ZIS/CN composites provides a new idea to develop highly efficient photocatalysts.
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Affiliation(s)
- Jingjing Zhang
- College of Pharmacy, Dali University, Dali 671000, China
| | - Xinyue Gu
- College of Pharmacy, Dali University, Dali 671000, China
| | - Yue Zhao
- College of Pharmacy, Dali University, Dali 671000, China
| | - Kai Zhang
- College of Biochemistry and Environmental Engineering, Baoding University, Baoding 071000, China
- College of Science and Technology, Hebei Agricultural University, Cangzhou 061100, China
- Correspondence: (K.Z.); (Y.Y.); (K.Q.)
| | - Ya Yan
- College of Pharmacy, Dali University, Dali 671000, China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
- Correspondence: (K.Z.); (Y.Y.); (K.Q.)
| | - Kezhen Qi
- College of Pharmacy, Dali University, Dali 671000, China
- Correspondence: (K.Z.); (Y.Y.); (K.Q.)
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5
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Wang J, Jiang Z. Ultrasonic-assisted synthesis of porous S-doped carbon nitride ribbons for photocatalytic reduction of CO 2. ULTRASONICS SONOCHEMISTRY 2023; 92:106273. [PMID: 36603463 PMCID: PMC9826939 DOI: 10.1016/j.ultsonch.2022.106273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/06/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
A series of porous S-doped carbon nitride ribbons (PSCN) were prepared by one-pot hydrothermal and sonochemical synthesis techniques. The morphologies and nanostructures of the catalysts were characterized by SEM, XRD and IR, which confirmed the pristine graphitic structures of carbon nitrides retained in the products. Due to sonication treatment, PSCN has porous structures in the thin ribbon and larger specific surface areas (PSCN 43.5 m2/g, SCN 26.6 m2/g and GCN 6.5 m2/g). XPS and elemental mappings verified that sulfur atoms were successfully introduced into the carbon nitride framework. Diffuse reflectance spectroscopy (DRS) results showed S-doping in the carbon nitride reduced the bandgap energy and enhanced their capability of the utilization of visible light, which contributed to higher photo-generated current. Photoluminescence (PL) analysis indicates the recombination of photogenerated carriers was suppressed in PSCN. Moreover, the photocatalytic performance showed that S-doping and porous and thin ribbon nanostructures may effectively boost the CO2 reduction rate (to as much as 5.8 times of GCN) when illuminated byvisible light (>420 nm) without the need of sacrificial materials. The preliminary mechanisms of the formation of PSCN and its applications in photocatalytic CO2 reduction are proposed. It highlights the potential of the current technique to produce effective, nonmetal-doped carbon nitride photocatalysts.
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Affiliation(s)
- Jiabei Wang
- School of Materials Science and Chemical Engineering, Ningbo University of Technology, 201 Fenghua Road, Jiangbei, Ningbo, Zhejiang, 315211, China
| | - Zhiqiang Jiang
- School of Materials Science and Chemical Engineering, Ningbo University of Technology, 201 Fenghua Road, Jiangbei, Ningbo, Zhejiang, 315211, China.
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6
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Tang C, Cheng M, Lai C, Li L, Yang X, Du L, Zhang G, Wang G, Yang L. Recent progress in the applications of non-metal modified graphitic carbon nitride in photocatalysis. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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7
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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:ijms232315129. [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] [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
- Correspondence:
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8
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Wang Q, Hu Y, Zeng D, Tian L, Song J, Cui E, Yuan H, Rongfeng G. Ionic liquid assisted construction of B and P double doped porous g-C3N4 nanosheets with significantly enhanced photocatalytic H2 production. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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9
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Song J, Zhao K, Yin X, Liu Y, Khan I, Liu SY. Photocatalytic degradation of tetracycline hydrochloride with g-C 3N 4/Ag/AgBr composites. Front Chem 2022; 10:1069816. [PMID: 36451930 PMCID: PMC9702527 DOI: 10.3389/fchem.2022.1069816] [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: 10/17/2022] [Accepted: 10/28/2022] [Indexed: 07/30/2023] Open
Abstract
Graphite carbon nitride (g-C3N4), as a polymer semiconductor photocatalyst, is widely used in the treatment of photocatalytic environmental pollution. In this work, a Z-scheme g-C3N4/Ag/AgBr heterojunction photocatalyst was prepared based on the preparation of a g-C3N4-based heterojunction via in-situ loading through photoreduction method. The g-C3N4/Ag/AgBr composite showed an excellent photocatalytic performance in the degradation of tetracycline hydrochloride pollutants. Among the prepared samples, g-C3N4/Ag/AgBr-8% showed the best photocatalytic ability for the degradation of tetracycline hydrochloride, whose photocatalytic degradation kinetic constant was 0.02764 min-1, which was 9.8 times that of g-C3N4, 2.4 times that of AgBr, and 1.9 times that of Ag/AgBr. In the photocatalytic process, •O2- and •OH are main active oxygen species involved in the degradation of organic pollutants. The photocatalytic mechanism of g-C3N4/Ag/AgBr is mainly through the formation of Z-scheme heterojunctions, which not only effectively improves the separation efficiency of photogenerated electron-hole pairs, but also maintains the oxidation and reduction capability of AgBr and g-C3N4, respectively.
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Affiliation(s)
- Jiahe Song
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
| | - Kun Zhao
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
| | - Xiangbin Yin
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
| | - Ying Liu
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
| | - Iltaf Khan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, China
| | - Shu-Yuan Liu
- Department of Pharmacology, Shenyang Medical College, Shenyang, China
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Liu SY, Zada A, Yu X, Liu F, Jin G. NiFe 2O 4/g-C 3N 4 heterostructure with an enhanced ability for photocatalytic degradation of tetracycline hydrochloride and antibacterial performance. CHEMOSPHERE 2022; 307:135717. [PMID: 35863405 DOI: 10.1016/j.chemosphere.2022.135717] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/22/2022] [Accepted: 07/11/2022] [Indexed: 05/26/2023]
Abstract
In this work, NiFe2O4/g-C3N4 heterostructure was prepared and used for the photocatalytic decomposition of tetracycline hydrochloride antibiotic and for inactivation of E. coli bacteria. The fabricated NiFe2O4/g-C3N4 composite displayed enhanced ability for photodegradation of organic pollutants and disinfection activities compared to the bare samples, because of the enhancement of visible light absorbance, heterojunction formation and photo-Fenton process. The optimized sample 10%-NiFe2O4/g-C3N4 has photodegraded 94.5% of tetracycline hydrochloride in 80 min. The active species trapping experiments revels that ·O2-, h+ and •OH are key decomposing species participated in the antibiotic degradation. It is hoped that the present study will provide a better understanding to fabricate efficient photocatalysts for the decomposition of organic pollutants and disinfection of bacteria.
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Affiliation(s)
- Shu-Yuan Liu
- Department of Pharmacology, Shenyang Medical College, Shenyang, 110034, China.
| | - Amir Zada
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Xinyuan Yu
- Department of Pharmacology, Shenyang Medical College, Shenyang, 110034, China
| | - Fanzhe Liu
- Department of Pharmacology, Shenyang Medical College, Shenyang, 110034, China
| | - Ge Jin
- Department of Pharmacology, Shenyang Medical College, Shenyang, 110034, China.
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11
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Behera P, Ray A, Prakash Tripathy S, Acharya L, Subudhi S, Parida K. ZIF-8 derived porous C, N co-doped ZnO modified B-g-C3N4: A Z-Scheme charge dynamics approach operative towards photocatalytic Hydrogen evolution and Ciprofloxacin degradation. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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12
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Gao RH, Ge Q, Jiang N, Cong H, Liu M, Zhang YQ. Graphitic carbon nitride (g-C 3N 4)-based photocatalytic materials for hydrogen evolution. Front Chem 2022; 10:1048504. [PMID: 36386003 PMCID: PMC9640947 DOI: 10.3389/fchem.2022.1048504] [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: 09/19/2022] [Accepted: 10/14/2022] [Indexed: 07/30/2023] Open
Abstract
The semiconductors, such as TiO2, CdS, ZnO, BiVO4, graphene, produce good applications in photocatalytic water splitting for hydrogen production, and great progress have been made in the synthesis and modification of the materials. As a two-dimensional layered structure material, graphitic carbon nitride (g-C3N4), with the unique properties of high thermostability and chemical inertness, excellent semiconductive ability, affords good potential in photocatalytic hydrogen evolution. However, the related low efficiency of g-C3N4 with fast recombination rate of photogenerated charge carriers, limited visible-light absorption, and low surface area of prepared bulk g-C3N4, has called out the challenge issues to synthesize and modify novel g-C3N4-block photocatalyst. In this review, we have summarized several strategies to improve the photocatalytic performance of pristine g-C3N4 such as pH, morphology control, doping with metal or non-metal elements, metal deposition, constructing a heterojunction or homojunction, dye-sensitization, and so forth. The performances for photocatalytic hydrogen evolution and possible development of g-C3N4 materials are shared with the researchers interested in the relevant fields hereinto.
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Affiliation(s)
- Rui-Han Gao
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, China
| | - Qingmei Ge
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
| | - Nan Jiang
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
| | - Hang Cong
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
| | - Mao Liu
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
| | - Yun-Qian Zhang
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang, China
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, China
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13
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Combined transcriptome and metabolite profiling analyses provide insights into the chronic toxicity of carbaryl and acetamiprid to Apis mellifera larvae. Sci Rep 2022; 12:16898. [PMID: 36207421 PMCID: PMC9543932 DOI: 10.1038/s41598-022-21403-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 09/27/2022] [Indexed: 11/21/2022] Open
Abstract
Despite many studies have revealed that developing honey bee (Apis mellifera) larvae are posting a high risk on exposure to insecticides, the toxicology information on bee larvae remain limited. The present study demonstrated the first assessment of the effects of no observed adverse effect concentration (NOAEC) of carbaryl (CR) and acetamiprid (ACE) on transcriptome and metabolome in honeybee larvae reared in vitro. Chronic exposure to carbaryl caused transcriptional disorders associated with oxidative stress. In addition, a series of metabolic homeostasis were disrupted by carbaryl stress, such amino acid metabolism, purine and pyrimidine metabolism and flavone and flavonol biosynthesis. The activities of enzymic biomarkers including GST, P450, CAT, AChE and SOD were not influenced by ACE stress, while the CR exposure slightly decreased the activity of CAT and SOD. Our results clearly show that ACE and CR display different potential to modulate transcriptome and metabolome associated with their different toxicity against bee larvae.
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14
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Gu X, Tan C, He L, Guo J, Zhao X, Qi K, Yan Y. Mn 2+ doped AgInS 2 photocatalyst for formaldehyde degradation and hydrogen production from water splitting by carbon tube enhancement. CHEMOSPHERE 2022; 304:135292. [PMID: 35691399 DOI: 10.1016/j.chemosphere.2022.135292] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/28/2022] [Accepted: 06/07/2022] [Indexed: 05/26/2023]
Abstract
In this work, AgInS2 and Mn2+ doped AgInS2 (Mn-AgInS2) with different Mn2+: (Ag+ + In3+) ratios were synthesized via a low temperature liquid method. The photocatalytic activity of the obtained samples was followed by taking formaldehyde as the target pollutant under visible light irradiation. The photocatalysts were passed through various characterization procedures to investigate their morphological, structural and photophysical characteristics. The optimal proportion sample [with the ratio n (Mn2+): n (Ag+ + In3+) = 1:100] photodegraded about 79% formaldehyde in 150 min. These upgraded activities are attributed to the enhanced visible light absorption and superior charge separation due to the presence of Mn2+ as confirmed site from charge separation measurements. In addition, a possible mechanism for the photodegradation of formaldehyde is proposed based on the experimental results. Furthermore, the photocatalytic water splitting performance of Mn-AgInS2 and multi-walled carbon nanotubes (MWCNTs) modified Mn-AgInS2 is investigated and compared under simulated sunlight irradiation, and remarkable hydrogen production is achieved (105 μmol h-1 g-1) by using the latter.
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Affiliation(s)
- Xinyue Gu
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China
| | - Chen Tan
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China
| | - Lixian He
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China
| | - Jie Guo
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China
| | - Xia Zhao
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China
| | - Kezhen Qi
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China.
| | - Ya Yan
- College of Pharmacy, Dali University, Dali, 671000, Yunnan, PR China.
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15
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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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16
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Pham TH, Myung Y, Van Le Q, Kim T. Visible-light photocatalysis of Ag-doped graphitic carbon nitride for photodegradation of micropollutants in wastewater. CHEMOSPHERE 2022; 301:134626. [PMID: 35436454 DOI: 10.1016/j.chemosphere.2022.134626] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/29/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
This work reports on graphitic carbon nitride (C3N4) modified with silver to investigate its visible-light-driven photocatalysis for decomposition of micropollutants in wastewater. Various characterization methods were conducted to examine the physico-chemical properties of Ag-doped C3N4 (Ag-C3N4) photocatalyst. The results from structural, morphological, and surface chemical analysis indicated that C3N4 was successfully doped with Ag. Photoluminescence and transient photocurrent density studies revealed that the recombination rate of electron-hole pairs was reduced, leading to the enhancement of photocatalytic activities of the photocatalyst. Ag-C3N4 showed high photocatalytic performance for photodegradation of our target micropollutant, bisphenol A (BA). It could completely remove BA in 1 h with kinetic constant 6.2 times higher than that of the undoped C3N4 photocatalyst. Recycling test and the assessment of the photocatalyst in wastewater further confirmed the excellent stability and applicability of the Ag-C3N4 photocatalyst. This work could provide a new solution to the practical application of photocatalyts for the degradation of micropollutants in wastewater.
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Affiliation(s)
- Thi Huong Pham
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea
| | - Yusik Myung
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - TaeYoung Kim
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam, 13120, South Korea.
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17
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Li C, Mei T, Song TS, Xie J. Removal of petroleum hydrocarbon-contaminated soil using a solid-phase microbial fuel cell with a 3D corn stem carbon electrode modified with carbon nanotubes. Bioprocess Biosyst Eng 2022; 45:1137-1147. [PMID: 35624323 DOI: 10.1007/s00449-022-02730-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 04/15/2022] [Indexed: 11/02/2022]
Abstract
Solid-phase microbial fuel cell (SMFC) can accelerate the removal of organic pollutants through the electrons transfer between microorganisms and anodes in the process of generating electricity. Thus, the characteristics of the anode material will affect the performance of SMFCs. In this study, corn stem (CS) is first calcined into a 3D macroporous electrode, and then modified with carbon nanotubes (CNTs) through electrochemical deposition method. Scanning electron microscope analysis showed the CS/CNT anode could increase the contact area on the surface. Furthermore, electrochemical impedance spectroscopy and cyclic voltammetry analysis indicated the electrochemical double-layer capacitance of the CS/CNT anode increased while its internal resistance decreased significantly. These characteristics are crucial for increasing bacterial adhesion capability and electron transfer rate. The maximum output voltage of the SMFC with CS/CNT anode was 158.42 mV, and the removal rate of petroleum hydrocarbon (PH) reached 42.17%, 2.72 times that of unmodified CS. In conclusion, CNT-modified CS is conducive to improve electron transfer rate and microbial attachment, enhancing the removal efficiency of PH in soil.
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Affiliation(s)
- Chenrong Li
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Ting Mei
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China.,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Tian-Shun Song
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China. .,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China. .,State Key Laboratory of Pollution Control and Resource Reuse, Nanjing University, Nanjing, 210093, Jiangsu, China.
| | - Jingjing Xie
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China. .,College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China. .,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing, 211816, People's Republic of China.
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18
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Mao Y, Qiu J, Zhang P, Fei Z, Bian C, Janani BJ, Fakhri A. A strategy of silver Ferrite/Bismuth ferrite nano-hybrids synthesis for synergetic white-light photocatalysis, antibacterial systems and peroxidase-like activity. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113756] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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19
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Hajiahmadi M, Zarei M, Khataee A. An effective natural mineral-catalyzed heterogeneous electro-Fenton method for degradation of an antineoplastic drug: Modeling by a neural network. CHEMOSPHERE 2022; 291:132810. [PMID: 34767845 DOI: 10.1016/j.chemosphere.2021.132810] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Abstract
In this study, the heterogeneous electro-Fenton method was used to remove Paclitaxel as an antineoplastic medicine. The cathode based on three-dimensional graphene (3DG) was applied as a gas diffusion electrode. The potential of five eco-friendly and recyclable iron minerals derived from nature (Magnetite, Siderite, Hematite, Limonite, and Pyrite) was investigated. Among the applied iron minerals, Pyrite showed the best, and Magnetite and Siderite showed good catalytic activity at pH 3.0. The current intensity of 300 mA, pHi 7.0, Paclitaxel concentration of 3 mg L-1, amount of Pyrite 4.5 g L-1, and time of 120 min was the optimum condition of the process with the removal efficiency of 99.13% in the presence of Pyrite. Repeating the experiments eight times revealed the reusability of the prepared 3DG as a cathode. Also, using radical scavengers indicated the principal role of the hydroxyl radicals (OH) in the treatment process. Analysis of total organic carbon reached 77.64% mineralization of 3 mg L-1 Paclitaxel at 360 min. Finally, ten by-products of small molecules were identified by gas chromatography-mass spectrometry device.
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Affiliation(s)
- Mahsa Hajiahmadi
- Research Laboratory of Environmental Remediation, Department of Applied Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran.
| | - Mahmoud Zarei
- Research Laboratory of Environmental Remediation, Department of Applied Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran.
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Material Science and Physical Chemistry of Materials, South Ural State University, 454080 Chelyabinsk, Russian Federation.
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20
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Qureshi WA, Hong X, He X, Liu Q, Xu D, Maouche C, Sun Z, Yang J. Dual plasmonic Au and TiN cocatalysts to boost photocatalytic hydrogen evolution. CHEMOSPHERE 2022; 291:132987. [PMID: 34838831 DOI: 10.1016/j.chemosphere.2021.132987] [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: 08/26/2021] [Revised: 11/11/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Employing a suitable cocatalyst is very important to improve photocatalytic H2 evolution activity. Herein, two plasmonic cocatalysts, Au nanoparticles and TiN nanoparticles were in-situ coupled over the g-C3N4 nanotube to form a ternary 0D/0D/1D Au/TiN/g-C3N4 composite via a successive thermal polycondensation and chemical reduction method. The g-C3N4 nanotube acted as a support for the growth of Au and TiN nanoparticles, leading to intimate contact between g-C3N4 nanotube with Au nanoparticles and TiN nanoparticles. As a result, multiple interfaces and dual-junctions of Au/g-C3N4 Schottky-junction and TiN/g-C3N4 ohmic-junction were constructed, which helped to promote the charged carriers' separation and enhanced the photocatalytic performance. Furthermore, loading plasmonic cocatalysts of Au nanoparticles and TiN nanoparticles can enhance the light absorption capacity. Consequently, the Au/TiN/g-C3N4 composite exhibited significantly enhanced photocatalytic H2 evolution activity (596 μmol g-1 h-1) compared to g-C3N4 or binary composites of Au/g-C3N4 and TiN/g-C3N4. This work highlights the significant role of cocatalysts in photocatalysis.
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Affiliation(s)
- Waqar Ahmad Qureshi
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Xiaoyang Hong
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Xudong He
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Qinqin Liu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; Hunan Key Laboratory of Applied Environmental Photocatalysis, Changsha University, Changsha, Hunan, 410022, PR China.
| | - Difa Xu
- Hunan Key Laboratory of Applied Environmental Photocatalysis, Changsha University, Changsha, Hunan, 410022, PR China
| | - Chanez Maouche
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Zhongti Sun
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Juan Yang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China.
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21
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Jiang L, Guo Y, Pan J, Zhao J, Ling Y, Xie Y, Zhou Y, Zhao J. N, P, O co-doped carbon filling into carbon nitride microtubes to promote photocatalytic hydrogen production. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 809:151114. [PMID: 34688745 DOI: 10.1016/j.scitotenv.2021.151114] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 10/13/2021] [Accepted: 10/17/2021] [Indexed: 06/13/2023]
Abstract
Carbon nitride (CN) as the photocatalytic hydrogen production catalyst has attracted great attentions but suffering from a poor performance due to the unsatisfied energy band gap and the low separation efficiency of photogenerated carriers. Herein, we create a simple method to construct a novel CN-based photocatalyst, i.e., the N, P, O co-doped carbon filled CN microtube, which presents a narrow band gap, a high separation efficiency of photogenerated carriers, and a good stability. In this novel structure, the tubular morphology of CN ensures a narrow band gap, and the N, P, O co-doped carbon facilitates the transfer of photogenerated electrons. Coupling these two further reduces the energy band gap and improves the separation efficiency. For the photocatalytic hydrogen evolution under the visible light, the optimal sample presents an ultrahigh hydrogen evolution rate of 1149.71 μmol g-1 h-1 ranking at the top level, which is 112.60 times that of traditional bulk CN. In addition, it also has a high reusability and good stability after four cycle experiments. This study has provided a new viewpoint to design or develop the high-efficient photocatalysts for hydrogen production.
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Affiliation(s)
- Liushan Jiang
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Yue Guo
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jianfei Pan
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Jie Zhao
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China; School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Yun Ling
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Yu Xie
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China.
| | - Yipeng Zhou
- College of Environment and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Jinsheng Zhao
- Shandong Key Laboratory of Chemical Energy Storage and Novel Cell Technology, Liaocheng University, Liaocheng 252059, China.
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22
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Dong J, Zhang Y, Hussain MI, Zhou W, Chen Y, Wang LN. g-C 3N 4: Properties, Pore Modifications, and Photocatalytic Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:121. [PMID: 35010072 PMCID: PMC8746910 DOI: 10.3390/nano12010121] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 11/17/2022]
Abstract
Graphitic carbon nitride (g-C3N4), as a polymeric semiconductor, is promising for ecological and economical photocatalytic applications because of its suitable electronic structures, together with the low cost, facile preparation, and metal-free feature. By modifying porous g-C3N4, its photoelectric behaviors could be facilitated with transport channels for photogenerated carriers, reactive substances, and abundant active sites for redox reactions, thus further improving photocatalytic performance. There are three types of methods to modify the pore structure of g-C3N4: hard-template method, soft-template method, and template-free method. Among them, the hard-template method may produce uniform and tunable pores, but requires toxic and environmentally hazardous chemicals to remove the template. In comparison, the soft templates could be removed at high temperatures during the preparation process without any additional steps. However, the soft-template method cannot strictly control the size and morphology of the pores, so prepared samples are not as orderly as the hard-template method. The template-free method does not involve any template, and the pore structure can be formed by designing precursors and exfoliation from bulk g-C3N4 (BCN). Without template support, there was no significant improvement in specific surface area (SSA). In this review, we first demonstrate the impact of pore structure on photoelectric performance. We then discuss pore modification methods, emphasizing comparison of their advantages and disadvantages. Each method's changing trend and development direction is also summarized in combination with the commonly used functional modification methods. Furthermore, we introduce the application prospects of porous g-C3N4 in the subsequent studies. Overall, porous g-C3N4 as an excellent photocatalyst has a huge development space in photocatalysis in the future.
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Affiliation(s)
- Jiaqi Dong
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China; (J.D.); (M.I.H.)
| | - Yue Zhang
- Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China; (Y.Z.); (W.Z.)
| | - Muhammad Irfan Hussain
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China; (J.D.); (M.I.H.)
| | - Wenjie Zhou
- Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China; (Y.Z.); (W.Z.)
| | - Yingzhi Chen
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China; (J.D.); (M.I.H.)
- Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China; (Y.Z.); (W.Z.)
| | - Lu-Ning Wang
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China; (J.D.); (M.I.H.)
- Shunde Graduate School, University of Science and Technology Beijing, Foshan 528399, China; (Y.Z.); (W.Z.)
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23
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Zhao Y, Zada A, Yang Y, Pan J, Wang Y, Yan Z, Xu Z, Qi K. Photocatalytic Removal of Antibiotics on g-C 3N 4 Using Amorphous CuO as Cocatalysts. Front Chem 2021; 9:797738. [PMID: 34957051 PMCID: PMC8692713 DOI: 10.3389/fchem.2021.797738] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 11/01/2021] [Indexed: 11/13/2022] Open
Abstract
Amorphous CuO is considered as an excellent cocatalyst, owing to its large surface area and superior conductivity compared with its crystalline counterpart. The current work demonstrates a facile method to prepare amorphous CuO, which is grown on the surface of graphitic carbon nitride (g-C3N4) and is then applied for the photocatalytic degradation of tetracycline hydrochloride. The prepared CuO/g-C3N4 composite shows higher photocatalytic activities compared with bare g-C3N4. Efficient charge transfer between g-C3N4 and CuO is confirmed by the photocurrent response spectra and photoluminescence spectra. This work provides a facile approach to prepare low-cost composites for the photocatalytic degradation of antibiotics to safeguard the environment.
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Affiliation(s)
- Yue Zhao
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, and Hubei Key Laboratory of Industrial Fume and Pollution Control, Jianghan University, Wuhan, China
- College of Life Science, Shenyang Normal University, Shenyang, China
| | - Amir Zada
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Yang Yang
- College of Physical Science and Technology, Shenyang Normal University, Shenyang, China
| | - Jing Pan
- College of Life Science, Shenyang Normal University, Shenyang, China
| | - Yan Wang
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
| | - Zhaoxiong Yan
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, and Hubei Key Laboratory of Industrial Fume and Pollution Control, Jianghan University, Wuhan, China
| | - Zhihua Xu
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, and Hubei Key Laboratory of Industrial Fume and Pollution Control, Jianghan University, Wuhan, China
| | - Kezhen Qi
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, and Hubei Key Laboratory of Industrial Fume and Pollution Control, Jianghan University, Wuhan, China
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang, China
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24
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Li Q, Ren C, Qiu C, He T, Zhang Q, Ling X, Xu Y, Su C. Promoting near-infrared photocatalytic activity of carbon-doped carbon nitride via solid alkali activation. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.05.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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25
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Khan S, Wan C, Chen J, Khan I, Luo M, Wang C. Eriobotrya japonica
assisted green synthesis of
g‐C
3
N
4
nanocomposites and its exceptional photoactivities for doxycycline and rhodamine B degradation with mechanism insight. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Shoaib Khan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, College of Agronomy Jiangxi Agricultural University Nanchang China
| | - Chunpeng Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, College of Agronomy Jiangxi Agricultural University Nanchang China
| | - Jinyin Chen
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits and Vegetables, College of Agronomy Jiangxi Agricultural University Nanchang China
- College of Materials and Chemical Engineering Pingxiang University Pingxiang China
| | - Iltaf Khan
- School of Chemistry and Environment Beijing University of Aeronautics and Astronautics Beijing China
- School of Chemical Engineering Beijing Institute of Petrochemical Technology Beijing China
| | - Mingsheng Luo
- School of Chemical Engineering Beijing Institute of Petrochemical Technology Beijing China
| | - Chunjuan Wang
- College of Agriculture, Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization Shihezi University Shihezi China
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26
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Tang J, Fu H, Jiang X, Cheng Z, Liao Y, Pu Q, Duan M. Conjugated Cationic Pp- x Formed on g-C 3N 4 for Photocatalyzed Water Splitting. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:7668-7680. [PMID: 34126011 DOI: 10.1021/acs.langmuir.1c00594] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Polycationic Pp-x@g-C3N4 composite was synthesized through an in situ polymerization process of N-alkylpyridinium acetylenic alcohol bromide (p-x) above the surface of g-C3N4. The structure of p-0 and the Pp-x@g-C3N4 properties were checked by modern technologies. Photocatalytic tests of Pp-x@g-C3N4 in water splitting unveiled much better Pp-x@g-C3N4 hydrogen evolution activities by comparison with both g-C3N4 and Pp-0. The hydrogen production by Pp-0@g-C3N4 was 1654.5 μmol h-1 g-1, which is ∼26- and 22-fold greater in relation to what g-C3N4 and Pp-0 produced (62.7 and 75.0 μmol h-1 g-1, respectively), suggesting strong bilateral and synergistic interactions of g-C3N4 with Pp-0. Although the lengthening methylene chain in the polymers weakened the hydrogen generation ability of Pp-x@g-C3N4, the conjugated double bonds, solubilization, and dispersion of Pp-x polycationic surfactants made Pp-x@g-C3N4 superior to g-C3N4 in water splitting. Due to the readily available raw materials, a simple way of preparation (starting chemicals to p-0 to Pp-0@g-C3N4), high photocatalysis efficiency, light irritation stability, recyclable ability, and low toxicity, Pp-0@g-C3N4 is a good candidate for water splitting.
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Affiliation(s)
- Jing Tang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, Sichuan 637009, P. R. China
| | - Hongquan Fu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, Sichuan 637009, P. R. China
| | - Xiaohui Jiang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, Sichuan 637009, P. R. China
| | - Zhengjun Cheng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, Sichuan 637009, P. R. China
| | - Yunwen Liao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University, Nanchong, Sichuan 637009, P. R. China
| | - Qiang Pu
- China Petroleum Engineering Company, Limited Southwest Company, Chengdu, Sichuan 610213, P. R. China
| | - Ming Duan
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, P. R. China
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27
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Chen Y, Wang Q, Kou J, Lu C, Xu Z. Efficient photocatalytic H 2production realized by Mn xCd 1-xSe In situheterojunction. NANOTECHNOLOGY 2021; 32:365602. [PMID: 34087815 DOI: 10.1088/1361-6528/ac084e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 06/03/2021] [Indexed: 05/19/2023]
Abstract
Fast recombination of photoinduced carriers inhibits the performance of photocatalysts. By constructing heterojunctions, built-in electric fields can be formed to separate electrons and holes and finally enhance the photocatalytic efficiency. Herein, a MnxCd1-xSein situheterojunction was fabricated by a facile solvothermal method to draw upon this advantage. Absorption spectra show that the light absorption of CdSe raises up obviously after the doping of Mn2+. Best performance was achieved when the doping percent of Mn2+was 50%. This Mn0.5Cd0.5Se sample exhibits a 7.2 folds increase in hydrogen evolution against pure CdSe owing to the fast electron transportation. Moreover, it proves well stability in an 18 h cycling test and gains a 6.7% apparent quantum yield under 420 nm light. In summary, this work constructs anin situheterojunction to enhance the photocatalytic hydrogen evolution efficiency and sheds light on a feasible way for the application of photocatalysis.
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Affiliation(s)
- Yukai Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 210009, People's Republic of China
| | - Qian Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 210009, People's Republic of China
| | - Jiahui Kou
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 210009, People's Republic of China
| | - Chunhua Lu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 210009, People's Republic of China
| | - Zhongzi Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 210009, People's Republic of China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing 210009, People's Republic of China
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Khan I, Luo M, Guo L, Khan S, Wang C, Khan A, Saeed M, Zaman S, Qi K, Liu QL. Enhanced visible-light photoactivities of porous LaFeO 3 by synchronously doping Ni 2+ and coupling TS-1 for CO 2 reduction and 2,4,6-trinitrophenol degradation. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01112j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
TOC showing the enhanced visible-light photoactivities of porous LaFeO3 by synchronously doping with Ni2+ and coupling with TS-1 for CO2 reduction and 2,4,6-trinitrophenol degradation.
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Affiliation(s)
- Iltaf Khan
- School of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, P. R. China
- Beijing Academy of Safety Engineering and Technology, 19 Qing-Yuan North Road, Daxing District, Beijing, 102617, China
- School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Environmental Science and Engineering Research Center, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, P. R. China
| | - Mingsheng Luo
- School of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, P. R. China
- Beijing Key Laboratory of Clean Fuels and Efficient Catalytic Emission Reduction Technology, Beijing 102617, China
- Beijing Academy of Safety Engineering and Technology, 19 Qing-Yuan North Road, Daxing District, Beijing, 102617, China
| | - Lin Guo
- School of Chemistry and Environment, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
| | - Shoaib Khan
- Department of Horticulture, Jiangxi Agricultural University, Nanchang, China
| | - Chunjuan Wang
- College of Agriculture, Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Aftab Khan
- College of Agriculture, Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Shihezi University, Shihezi, Xinjiang 832003, China
| | - Muhmmad Saeed
- Department of Chemistry, Government College University Faisalabad, Faisalabad 38000, Pakistan
| | - Saeed Zaman
- Shenzhen Key Laboratory of Organic Pollution Prevention and Control, Environmental Science and Engineering Research Center, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, P. R. China
| | - Kezhen Qi
- Institute of Catalysis for Energy and Environment, College of Chemistry and Chemical Engineering, Shenyang Normal University, Shenyang 110034, China
| | - Qing long Liu
- School of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, P. R. China
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