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Zhang X, Tong L, Shi X, Li Z, Xiao Z, Liu Y, Zhang T, Lin S. Tailoring atomically local electric field of NiFe layered double hydroxides with Ag dopants to boost oxygen evolution kinetics. J Colloid Interface Sci 2024; 668:502-511. [PMID: 38691960 DOI: 10.1016/j.jcis.2024.04.180] [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: 01/09/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/03/2024]
Abstract
The demand for clean energy sources has driven focus towards advanced electrochemical systems. However, the sluggish kinetics of the oxygen evolution reaction (OER) constrain the energy conversion efficiency of relevant devices. Herein, a one-step method is reported to grow oxygen vacancies (Vo) rich NiFeAg layered double hydroxides nanoclusters on carbon cloth (Vo-NiFeAg-LDH/CC) for serving as the self-supporting electrode to catalyze OER. The OER performance of Vo-NiFeAg-LDH/CC has been remarkably enhanced through Ag and Vo co-modification compared with pristine NiFe-LDH, achieving a low Tafel slope of 49.7 mV dec-1 in 1 m KOH solution. Additionally, the current density of Vo-NiFeAg-LDH/CC is 3.23 times higher than that of the state-of-art IrO2 at 2 V under an alkaline flow electrolyzer setup. Theoretical calculations and experimental results collectively demonstrate that Ag dopant and Vo strengthen the O* adsorption with active sites, further promoting the deprotonation step from OH* to O* and accelerating the catalytic reaction. In a word, this work clarifies the structural correlation and synergistic mechanism of Ag dopant and Vo, providing valuable insights for the rational design of catalyst for renewable energy applications.
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Affiliation(s)
- Xu Zhang
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China
| | - Li Tong
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China
| | - Xiahui Shi
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China
| | - Zhaosheng Li
- College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, Jiangsu, PR China
| | - Zhaohui Xiao
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China
| | - Yipu Liu
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China.
| | - Tao Zhang
- School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore.
| | - Shiwei Lin
- School of Materials Science and Engineering, Key Laboratory of Pico Electron Microscopy of Hainan Province, Hainan University, Haikou 570228, PR China.
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2
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Singha K, Kumari G, Jagadevan S, Sarkar AN, Pal S. In Situ Synthesis of Exfoliated Ni(OH) 2 Nanosheets and AgNPs-Embedded Functionalized Polyindole-Based Trinary Hybrid Microspheres: A Z-Scheme Photocatalyst for the Sunlight-Driven Degradation of Organic Pollutants with Enhanced Antibacterial Efficacy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:16208-16225. [PMID: 39046098 DOI: 10.1021/acs.langmuir.4c01293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2024]
Abstract
Advancing a facile one-pot synthetic approach for the fabrication of a hybrid heterojunction photocatalyst remains a significant challenge in research pursuits. Herein, a microsphere-like trinary hybrid nanocomposite has been synthesized (NH/PIn/MAA/Ag). It comprises exfoliated single- and a few-layered Ni(OH)2 (NH nanosheets), mercaptoacetate-functionalized polyindole (PIn/MAA), and Ag nanoparticles (AgNPs) through an in situ approach. The formation mechanism is based on the exfoliation of stacked Ni(OH)2 multilayers [i.e., Ni(OH)2 microflowers] and stabilization of NH nanosheets through host-guest formation of PIn/MAA, followed by the adsorption-reduction of Ag+ ions in a one-pot reaction at low temperature. Surface morphological analyses of hybrid nanocomposite microspheres have exhibited that highly dense Ni(OH)2 microflowers have been transformed into low-density layered forms (NH nanosheets) within the polymeric platform (PIn/MAA) with deposited AgNPs. An interfacial heterojunction has been developed between the components in the depletion region, leading to an improvement in photocatalytic efficiency through a synergistic effect over the components for charge separation and transfer through the heterojunction interface via solid-state mediator Ag-based Z-scheme charge transfer dynamics. The superior photocatalytic degradation of tetracycline (98.2%) by trinary hybrid microspheres can be attributed to the deteriorated recombination rate of electron-hole pairs with reduced charge transfer resistance of the heterojunction in the photocatalyst, as obvious from photoluminescence, electrochemical impedance spectroscopy, chronoamperometry, and time-resolved photoluminescence (TRPL) analyses. Moreover, the antibacterial properties of microspheres against Bacillus pumilus (Gram-positive) and Escherichia coli (Gram-negative) bacteria have validated their potential as promising materials for the overall purification of aquatic systems.
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Affiliation(s)
- Koushik Singha
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Dhanbad 826004, India
| | - Gitanjalee Kumari
- Department of Environmental Science and Engineering, Indian Institute of Technology (ISM) Dhanbad, Dhanbad 826004, India
| | - Sheeja Jagadevan
- Department of Environmental Science and Engineering, Indian Institute of Technology (ISM) Dhanbad, Dhanbad 826004, India
| | - Abanindra Nath Sarkar
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Dhanbad 826004, India
| | - Sagar Pal
- Department of Chemistry and Chemical Biology, Indian Institute of Technology (ISM) Dhanbad, Dhanbad 826004, India
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3
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Zhang R, Han Y, Wu Q, Lu M, Liu G, Guo Z, Zhang Y, Zeng J, Wu X, Zhang D, Wu L, Song N, Yuan P, Du A, Huang K, Chen J, Yao X. Electron Accumulation Induced by Electron Injection-Incomplete Discharge on NiFe LDH for Enhanced Oxygen Evolution Reaction. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2402397. [PMID: 38634268 DOI: 10.1002/smll.202402397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Indexed: 04/19/2024]
Abstract
Optimizing the local electronic structure of electrocatalysts can effectively lower the energy barrier of electrochemical reactions, thus enhancing the electrocatalytic activity. However, the intrinsic contribution of the electronic effect is still experimentally unclear. In this work, the electron injection-incomplete discharge approach to achieve the electron accumulation (EA) degree on the nickel-iron layered double hydroxide (NiFe LDH) is proposed, to reveal the intrinsic contribution of EA toward oxygen evolution reaction (OER). Such NiFe LDH with EA effect results in only 262 mV overpotential to reach 50 mA cm-2, which is 51 mV-lower compared with pristine NiFe LDH (313 mV), and reduced Tafel slope of 54.8 mV dec-1 than NiFe LDH (107.5 mV dec-1). Spectroscopy characterizations combined with theoretical calculations confirm that the EA near concomitant Vo can induce a narrower energy gap and lower thermodynamic barrier to enhance OER performance. This study clarifies the mechanism of the EA effect on OER activity, providing a direct electronic structure modulation guideline for effective electrocatalyst design.
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Affiliation(s)
- Rongrong Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yun Han
- Queensland Micro- and Nanotechnology Centre, School of Engineering and Built Environment, Griffith University, Nathan Campus, Nathan, QLD, 4111, Australia
| | - Qilong Wu
- IPRI, AIIM Facility, Innovation Campus, University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Min Lu
- State Key Laboratory of Applied Organic Chemistry, Frontiers Science Center for Rare Isotopes, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Guangsheng Liu
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, PA, 15282, USA
| | - Zhangtao Guo
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yaowen Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Jianrong Zeng
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201204, P. R. China
| | - Xiaofeng Wu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Dongdong Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Liyun Wu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Nan Song
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Pei Yuan
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350002, P. R. China
| | - Aijun Du
- School of Chemistry and Physics and Centre for Materials Science, Queensland University of Technology Gardens Point Campus, Brisbane, 4001, Australia
| | - Keke Huang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Jun Chen
- IPRI, AIIM Facility, Innovation Campus, University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Xiangdong Yao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- School of Advanced Energy and IGCME, Shenzhen Campus, Sun Yat-Sen University (SYSU), Shenzhen, Guangdong, 518100, China
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou, 515063, P. R. China
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4
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Lu Q, Zhang B, Lin J. Wide-direct-band-gap monolayer carbon nitride CN 2: a potential metal-free photocatalyst for overall water splitting. RSC Adv 2024; 14:24226-24235. [PMID: 39104560 PMCID: PMC11299055 DOI: 10.1039/d4ra04756g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2024] [Accepted: 07/29/2024] [Indexed: 08/07/2024] Open
Abstract
Two dimensional metal-free semiconductors with high work function have attracted extensive research interest in the field of photocatalytic water splitting. Herein, we have proposed a kind of highly stable monolayer carbon nitride CN2 with an anisotropic structure based on first principles density functional theory. The calculations of electronic structure properties, performed using the HSE06 functional, indicate that monolayer CN2 has a wide direct band gap of 2.836 eV and a high work function of 6.54 eV. And the suitable band edge alignment, high electron mobility (∼103 cm2 V-1 s-1) and visible-light optical absorption suggest that monolayer CN2 has potential on visible-light photocatalytic water splitting at pH ranging from 0 to 14. Moreover, we have observed that uniaxial strain can effectively control the electronic structure properties and optical absorption of monolayer CN2, which can further improve its solar to hydrogen efficiency from 9.6% to 16.02% under 5% uniaxial tension strain along the Y direction. Our calculations have not only proposed a new type of potential metal-free photocatalyst for water splitting but also provided a functional part with high work function for type-I and scheme-Z heterojunction applied in photocatalytic water splitting.
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Affiliation(s)
- Qiang Lu
- School of Science, Jimei University Xiamen 361021 China
| | - Bofeng Zhang
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University Xiamen 361005 China
| | - Jiahe Lin
- School of Science, Jimei University Xiamen 361021 China
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5
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Texter J, Li Q, Yan F. Leaflet-heterostructures by MWCNT self-assembly following electrospinning. iScience 2024; 27:110186. [PMID: 39021789 PMCID: PMC11253149 DOI: 10.1016/j.isci.2024.110186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 04/01/2024] [Accepted: 06/03/2024] [Indexed: 07/20/2024] Open
Abstract
Electrospinning of nanocarbons such as graphene and carbon nanotubes typically produces mats composed of one-dimensional fibers where the carrier polymer encapsulates the nanocarbons. Recently it was found that decreasing the amount of carrier polymer in approaching the electrospinning-electrospray boundary for graphene suspensions resulted in retention of the graphene two-dimensional anisotropy with one-dimensional carrier polymer fibers connecting flakes. We explored a similar decrease in carrier polymer in MWCNT suspensions to investigate the network topology that might ensue. Unexpectedly, two-dimensional leaflet meso-networks were obtained wherein the leaflets comprise laterally aligned MWCNTs one to several nanotubes thick. A mechanism based on capillary force-driven MWCNT self-assembly activated by menisci formed during drying of electrospun fibers is presented. Such materials offer new approaches to producing high surface-area coatings for catalytic and energy applications and suggest ways of formulating two-dimensional MWCNT assemblies in metal foams and other open-cell porous materials.
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Affiliation(s)
- John Texter
- Strider Research Corporation, Rochester, NY 14610-2246, USA
- Coating Research Institute, School of Engineering, Eastern Michigan University, Ypsilanti, MI 48197, USA
| | - Qi Li
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Feng Yan
- Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
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6
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Yu Y, Li W, Huang Y, Yang H, Lv C, Yan HX, Lin D, Jiao S, Hou L, Wu Z. Simultaneous Efficient Photocatalytic Hydrogen Evolution and Degradation of Dye Wastewater without Cocatalysts and Sacrificial Agents Based on g-C 3N 5 and Hybridized Ni-MOF Derivative-CdS-DETA. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309577. [PMID: 38348936 DOI: 10.1002/smll.202309577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/08/2024] [Indexed: 07/19/2024]
Abstract
Inspired by energy conversion and waste reuse, hybridized Ni-MOF derivative-CdS-DETA/g-C3N5, a type-II heterojunction photocatalyst, is synthesized by a hydrothermal method for simultaneous and highly efficient photocatalytic degradation and hydrogen evolution in dye wastewater. Without the addition of cocatalysts and sacrificial agents, the optimal MOF-CD(2)/CN5 (i.e. Ni-MOF derivative-CdS-DETA (20 wt.%)/g-C3N5) exhibit good bifunctional catalytic activity, with a H2 evolution rate of 2974.4 µmol g-1 h-1 during the degradation of rhodamine B (RhB), and a removal rate of 99.97% for RhB. In the process of H2-evolution-only, triethanolamine is used as a sacrificial agent, exhibiting a high H2 evolution rate (19663.1 µmol g-1 h-1) in the absence of a cocatalyst, and outperforming most similar related materials (such as MOF/g-C3N5, MOF-CdS, CdS/g-C3N5). With the help of type-II heterojunction, holes are scavenged for the oxidative degradation of RhB, and electrons are used in the decomposition of water for H2 evolution during illumination. This work opens a new path for photocatalysts with dual functions of simultaneous efficient degradation and hydrogen evolution.
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Affiliation(s)
- Yongzhuo Yu
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Wei Li
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Yuxin Huang
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Huixing Yang
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Chaoyu Lv
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Hui Xiang Yan
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Di Lin
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Shichao Jiao
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Linlin Hou
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
| | - Zhiliang Wu
- Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, Guangdong Engineering Technology Research Center of Efficient Green Energy and Environmental Protection Materials, School of Physics, School of Electronic and Information Engineering, South China Normal University, Guangzhou, 510006, P. R. China
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7
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Kurnosenko SA, Silyukov OI, Rodionov IA, Baeva AS, Burov AA, Kulagina AV, Novikov SS, Zvereva IA. Hydrothermally Synthesized ZnCr- and NiCr-Layered Double Hydroxides as Hydrogen Evolution Photocatalysts. Molecules 2024; 29:2108. [PMID: 38731599 PMCID: PMC11085494 DOI: 10.3390/molecules29092108] [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: 02/26/2024] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 05/13/2024] Open
Abstract
The layered double hydroxides (LDHs) of transition metals are of great interest as building blocks for the creation of composite photocatalytic materials for hydrogen production, environmental remediation and other applications. However, the synthesis of most LDHs is reported only by the conventional coprecipitation method, which makes it difficult to control the catalyst's crystallinity. In the present study, ZnCr- and NiCr-LDHs have been successfully prepared using a facile hydrothermal approach. Varying the hydrothermal synthesis conditions allowed us to obtain target products with a controllable crystallite size in the range of 2-26 nm and a specific surface area of 45-83 m2∙g-1. The LDHs synthesized were investigated as photocatalysts of hydrogen generation from aqueous methanol. It was revealed that the photocatalytic activity of ZnCr-LDH samples grows monotonically with the increase in their average crystallite size, while that of NiCr-LDH ones reaches a maximum with intermediate-sized crystallites and then decreases due to the specific surface area reduction. The concentration dependence of the hydrogen evolution activity is generally consistent with the standard Langmuir-Hinshelwood model for heterogeneous catalysis. At a methanol content of 50 mol. %, the rate of hydrogen generation over ZnCr- and NiCr-LDHs reaches 88 and 41 μmol∙h-1∙g-1, respectively. The hydrothermally synthesized LDHs with enhanced crystallinity may be of interest for further fabrication of their nanosheets being promising components of new composite photocatalysts.
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Affiliation(s)
| | - Oleg I. Silyukov
- Department of Chemical Thermodynamics and Kinetics, Institute of Chemistry, Saint Petersburg State University, 199034 Saint Petersburg, Russia; (S.A.K.); (I.A.R.); (A.S.B.); (A.A.B.); (A.V.K.); (S.S.N.); (I.A.Z.)
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8
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Rana S, Kumar A, Lai CW, Sharma G, Dhiman P. Recent progress in ZnCr and NiCr layered double hydroxides and based photocatalysts for water treatment and clean energy production. CHEMOSPHERE 2024; 356:141800. [PMID: 38554860 DOI: 10.1016/j.chemosphere.2024.141800] [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: 09/11/2023] [Revised: 02/29/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
In pursuit of advancing photocatalysts for superior performance in water treatment and clean energy generation, researchers are increasingly focusing on layered double hydroxides (LDHs) which have garnered significant attention due to their customizable properties, morphologies, distinctive 2D layered structure and flexible options for modifying anions and cations. No review has previously delved specifically into ZnCr and NiCr LDH-based photocatalysts and therefore, this review highlights the recent surge in ZnCr and NiCr-based LDHs as potential photocatalysts for their applications in water purification and renewable energy generation. The structural and fundamental characteristics of layered double hydroxides and especially ZnCr-LDHs and NiCr-LDHs are outlined. Further, the various synthesis techniques for the preparation of ZnCr-LDHs, NiCr-LDHs and their composite and heterostructure materials have been briefly discussed. The applicability of ZnCr-LDH and NiCr-LDH based photocatalysts in tackling significant issues in water treatment and sustainable energy generation is the main emphasis of this review. It focuses on photocatalytic degradation of organic pollutants in wastewater, elucidating the principles and advancements for enhancing the efficiency of these materials. It also explores their role in H2 production through water splitting, conversion of CO2 into valuable fuels and NH3 synthesis from N2, shedding light on their potential for clean energy solutions. The insights presented herein offer valuable guidance for researchers working towards sustainable solutions for environmental remediation and renewable energy generation.
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Affiliation(s)
- Sahil Rana
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India, 173229
| | - Amit Kumar
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India, 173229.
| | - Chin Wei Lai
- Nanotechnology & Catalysis Research Centre (NANOCAT), Institute for Advanced Studies (IAS), University of Malaya (UM), 50603, Kuala Lumpur, Malaysia
| | - Gaurav Sharma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India, 173229
| | - Pooja Dhiman
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, India, 173229
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9
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Wang ZJ, Xie H, Jun SC, Li J, Wei LC, Fang YC, Liu S, Ma M, Xing Z. Heterostructured grafting of NiFe-layered double hydroxide@TiO 2 for boosting photoelectrochemical cathodic protection. MATERIALS HORIZONS 2024; 11:1808-1816. [PMID: 38323653 DOI: 10.1039/d3mh02134c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Accelerating the oxidation process at photoanode-electrolyte interfaces can prolong the lifetime of photoexcited electrons and improve the efficiency of photoelectrochemical cathodic protection (PECCP) systems without relying on hole scavengers. However, the systematic design of precisely structured heterostructures for efficient photoanodes remains challenging. Here we meticulously engineered a type-II heterostructure featuring precise spatial organization, wherein NiFe-layered double hydroxide nanosheets (NiFe-LDH NSs) were assembled onto annealed TiO2 nanorod arrays (ATNAs), demonstrating their effectiveness in achieving efficient PECCP. The interfacial electronic coupling and appropriate energy alignment between the NiFe-LDH NSs and ATNAs allowed rapid hole extraction from the ATNAs to the NiFe-LDH NSs. Furthermore, the uniform distribution of the NiFe-LDH NSs on top of ATNAs drastically reduced the overpotential of oxygen evolution reactions (OER) from 370 to 200 mV and Tafel slope from 162 to 56 mV dec-1, leading to significantly improved cathodic protection of 304 stainless steel (SS) under extended illumination and interesting post-illumination protection. In addition, with the increase of testing cycles, the as-prepared NiFe-LDH NSs@ATNAs demonstrated a progressively enhanced cathodic protection potential from 0.15 to 0.13 V vs. RHE over 50 cycles. These findings provide important guidelines for the design of future high-efficiency green metal protection through rational photoanode design.
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Affiliation(s)
- Zhi-Jun Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Hui Xie
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Seong Chan Jun
- School of Mechanical Engineering, Yonsei University, Seoul 120-749, South Korea
| | - Jiang Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Li Cheng Wei
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Yu Chen Fang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
| | - Shude Liu
- College of Textiles, Donghua University, Shanghai 201620, P.R. China.
| | - Ming Ma
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Zheng Xing
- School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China.
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10
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Mohammadpour S, Moghadam PN, Gharbani P. Preparation, characterization, and photocatalytic performance of a PVDF/cellulose membrane modified with nano Fe 3O 4 for removal of methylene blue using RSM under visible light. RSC Adv 2024; 14:8801-8809. [PMID: 38495979 PMCID: PMC10941093 DOI: 10.1039/d3ra08599f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 03/07/2024] [Indexed: 03/19/2024] Open
Abstract
In this work, a polymeric membrane-based polyvinylidene fluoride coated with cellulose and loaded with iron oxide nanoparticles (PVDF/cellulose/Fe3O4) was synthesized and was characterized using FESEM, XRD, AFM, and contact angle measurements. The activity and modification of the PVDF/cellulose/Fe3O4 membrane under visible light for the removal of methylene blue were studied using the central composite design. The effect of influential variables such as pH, methylene blue concentration, amount of Fe3O4 in the membrane, and irradiation time on MB removal was investigated. Analysis of variance was used to determine the significance of experimental factors and their interactions. About 72.5% methylene blue removal using the PVDF/cellulose/Fe3O4 membrane under visible light was achieved at optimum conditions of a pH of 9, methylene blue concentration of 600 mg L-1, Fe3O4 amount of 0.03 g, and irradiation time of 117 min. Finally, results confirmed that the proposed membrane has good performance for methylene blue removal under visible light.
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Affiliation(s)
- Shaghayegh Mohammadpour
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia 57153-165 Iran
| | - Peyman Najafi Moghadam
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University Urmia 57153-165 Iran
| | - Parvin Gharbani
- Department Chemistry, Ahar Branch, Islamic Azad University Ahar Iran
- Industrial Nanotechnology Research Center, Tabriz Branch, Islamic Azad University Tabriz Iran
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Ma S, Kong J, Luo X, Xie J, Zhou Z, Bai X. Recent progress on bismuth-based light-triggered antibacterial nanocomposites: Synthesis, characterization, optical properties and bactericidal applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170125. [PMID: 38242469 DOI: 10.1016/j.scitotenv.2024.170125] [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: 12/12/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/21/2024]
Abstract
Bacterial infections pose a seriously threat to the safety of the environment and human health. In particular, the emergence of drug-resistant pathogens as a result of antibiotic abuse and high trauma risk has rendered conventional therapeutic techniques insufficient for treating infections by these so-called "superbugs". Therefore, there is an urgent need to develop highly efficient and environmentally-friendly antimicrobial agents. Bismuth-based nanomaterials with unique structures and physicochemical characteristics have attracted considerable attention as promising antimicrobial candidates, with many demonstratingoutstanding antibacterial effects upon being triggered by broad-spectrum light. These nanomaterials have also exhibited satisfactory energy band gaps and electronic density distribution with improved photonic properties for extensive and comprehensive applications after being modified through various engineering methods. This review summarizes the latest research progress made on bismuth-based nanomaterials with different morphologies, structures and compositions as well as the different methods used for their synthesis to meet their rapidly increasing demand, especially for antibacterial applications. Moreover, the future prospects and challenges regarding the application of these nanomaterials are discussed. The aim of this review is to stimulate interest in the development and experimental transformation of novel bismuth-based nanomaterials to expand the arsenal of effective antimicrobials.
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Affiliation(s)
- Sihan Ma
- College of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China.
| | - Jianglong Kong
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Xian Luo
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen 361002, China
| | - Jun Xie
- Department of Respiratory and Critical Care Medicine, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu 322000, China
| | - Zonglang Zhou
- Department of Nephrology, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu 322000, China
| | - Xue Bai
- School of Biomedical Engineering, Capital Medical University, Beijing 100069, China.
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12
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Duraisamy V, Pounsamy M, Subramani T, Krishnamoorthy A. Discerning the catalytic treatment of cationic dye wastewater in photoreactor comprising ternary (Co 3+/Co 2+)-embedded SnO 2/ZnFe 2O 4 composite sensitive toward ultra-violet illumination. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:20568-20585. [PMID: 38374503 DOI: 10.1007/s11356-024-32460-5] [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: 08/19/2023] [Accepted: 02/08/2024] [Indexed: 02/21/2024]
Abstract
Herein, magnetic (Co3+/Co2+)-integrated SnO2, SnO2/ZnFe2O4, and ZnFe2O4 composites have been prepared from triply distilled water and 30% of isopropanol in the water medium. The phase evolution, microstructure, and magnetism were investigated successfully and tested for cationic dye wastewater degradation containing Rhodamine 6G and Methylene Blue under ultra-violet irradiation. Composite spheres are attributed to efficient heterojunction interfaces between ZnFe2O4 and SnO2 semiconductors with the support of (Co3+/Co2+) nanoparticles. The results provide a simple, low-cost, environmentally friendly, and scalable method of ternary composites to degrade mixed dyes. Co3+/Co2+-implanted SnO2/ZnFe2O4 offered narrowed bandgap energy, more light absorption, diminishing electron-hole recombination, and more charge carriers toward cationic dye wastewater than the binary components. The rate constant of Rhodamine 6G degradation was observed at 0.0237 min-1, and Methylene Blue degradation was observed at 0.0187 min-1 at 90 min under UV (λ = 365 nm) irradiation. Capturing studies of various organic reactive species and mechanisms of composites was also proposed in detail.
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Affiliation(s)
- Venkatesh Duraisamy
- Nanomaterial Photocatalysis Lab, Department of Chemistry, Pondicherry University, Pondicherry, 605014, India.
- Department of Chemistry, Vel Tech High Tech Dr R. Rangarajan & Dr R. Sakunthala Engineering College, Avadi, Chennai, 620062, Tamil Nadu, India.
| | - Maharaja Pounsamy
- Environmental Engineering Department, Council of Scientific & Industrial Research-Central Leather Research Institute (CLRI), Chennai, 600020, Tamil Nadu, India
| | - Thirumurugan Subramani
- Nanomaterial Photocatalysis Lab, Department of Chemistry, Pondicherry University, Pondicherry, 605014, India
- Department of Chemistry, Sri Shanmuga College of Engineering &Technology, Salem, 637304, Tamil Nadu, India
| | - Anbalagan Krishnamoorthy
- Nanomaterial Photocatalysis Lab, Department of Chemistry, Pondicherry University, Pondicherry, 605014, India
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Farhan A, Khalid A, Maqsood N, Iftekhar S, Sharif HMA, Qi F, Sillanpää M, Asif MB. Progress in layered double hydroxides (LDHs): Synthesis and application in adsorption, catalysis and photoreduction. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169160. [PMID: 38086474 DOI: 10.1016/j.scitotenv.2023.169160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/23/2023] [Accepted: 12/05/2023] [Indexed: 12/17/2023]
Abstract
Layered double hydroxides (LDHs), also known as anionic clays, have attracted significant attention in energy and environmental applications due to their exceptional physicochemical properties. These materials possess a unique structure with surface hydroxyl groups, tunable properties, and high stability, making them highly desirable. In this review, the synthesis and functionalization of LDHs have been explored including co-precipitation and hydrothermal methods. Furthermore, extensive research on LDH application in toxic pollutant removal has shown that modifying or functionalizing LDHs using materials such as activated carbon, polymers, and inorganics is crucial for achieving efficient pollutant adsorption, improved cyclic performance, as well as effective catalytic oxidation of organics and photoreduction. This study offers a comprehensive overview of the progress made in the field of LDHs and LDH-based composites for water and wastewater treatment. It critically discusses and explains both direct and indirect synthesis and modification techniques, highlighting their advantages and disadvantages. Additionally, this review critically discusses and explains the potential of LDH-based composites as absorbents. Importantly, it focuses on the capability of LDH and LDH-based composites in heterogeneous catalysis, including the Fenton reaction, Fenton-like reactions, photocatalysis, and photoreduction, for the removal of organic dyes, organic micropollutants, and heavy metals. The mechanisms involved in pollutant removal, such as adsorption, electrostatic interaction, complexation, and degradation, are thoroughly explained. Finally, this study outlines future research directions in the field.
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Affiliation(s)
- Ahmad Farhan
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Aman Khalid
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Nimra Maqsood
- Department of Chemistry, University of Science and Technology, Hefei, China
| | - Sidra Iftekhar
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | | | - Fei Qi
- Beijing Key Lab for Source Control Technology of Water Pollution, College of Environmental Science and Engineering, Beijing Forestry University, Beijing, China
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, Doornfontein, South Africa; Sustainability Cluster, School of Advanced Engineering, UPES, Bidholi, Dehradun, Uttarakhand, India; Department of Civil Engineering, University Centre for Research & Development, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Muhammad Bilal Asif
- Advanced Membranes and Porous Materials Center (AMPMC), Physical Sciences and Engineering (PSE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia.
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14
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Liu L, Jia K, Su W, Zhao H, Huang Z, Wang G, Fan W, Zhang R, Bai H. Nitrate Reduction by NiFe-LDH/CeO 2: Understanding the Synergistic Effect between Dual-Metal Sites and Dual Adsorption. Inorg Chem 2024; 63:2756-2765. [PMID: 38252459 DOI: 10.1021/acs.inorgchem.3c04266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Electrocatalytic nitrate reduction reaction (EC-NITRR) shows a significant advantage for green reuse of the nitrate (NO3-) pollutant. However, the slow diffusion reaction limits the reaction rate in practical EC-NITRR, causing an unsatisfactory ammonia (NH3) yield. In this work, a multifunctional NiFe-LDH/CeO2 with the dual adsorption effect (physisorption and chemisorption) and dual-metal sites (Ce3+ and Fe2+) was fabricated by the electrodeposition method. NiFe-LDH/CeO2 performed an expected ability of enrichment for NO3- through the pseudo-first-order and pseudo-second-order kinetic models, and the polymetallic structure provided abundant sites for effective reaction of NO3-. At-0.6 V vs RHE, the ammonia (NH3) yield of NiFe-LDH/CeO2 reached 335.3 μg h-1 cm-2 and the selectivity of NH3 was 24.2 times that of NO2-. The nitrogen source of NH3 was confirmed by 15NO3- isotopic labeling. Therefore, this work achieved the recycling of the NO3- pollutant by synergy of enrichment and catalysis, providing an alternative approach for the recovery of NO3- from wastewater.
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Affiliation(s)
- Lijing Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Kangkang Jia
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Wenyang Su
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Huaiquan Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Zhenzhen Huang
- College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Guanhua Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Weiqiang Fan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Rongxian Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Hongye Bai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
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15
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Zhao G, Sun X, Li S, Zheng J, Liu J, Huang M. Water-stable perovskite CsPb 2Br 5/CdSe quantum dot-based photoelectrochemical sensors for the sensitive determination of dopamine. NANOSCALE 2024; 16:2621-2631. [PMID: 38226862 DOI: 10.1039/d3nr05024f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
A heterojunction of CdSe quantum dots in situ grown on the perovskite CsPb2Br5 (CsPb2Br5/CdSe) for water-stable photoelectrochemical (PEC) sensing was simply synthesized using the hot-injection method. Due to the inherent built-in electric field and the matching band structure between CsPb2Br5 and CdSe, the CsPb2Br5/CdSe p-n heterojunction demonstrates enhanced photoelectrochemical properties. Accelerated interfacial charge transfer and increased electron-hole pair separation enable hydrolysis-resistant CsPb2Br5/CdSe sensors to exhibit heightened sensitivity with an ultra-low detection limit (0.0124 μM) and a wide linear range (0.4-303.9 μM) in subsequent dopamine detection. Moreover, the CsPb2Br5/CdSe sensors show excellent anti-interference ability, as well as remarkable stability and reproducibility in water solvent. It is noteworthy that this work is conducted in an aqueous environment, which provides an inspiring and convenient way for photoelectric and photoelectrocatalysis applications based on water-resistant perovskites.
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Affiliation(s)
- Gang Zhao
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Xinhang Sun
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Songyuan Li
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Jiale Zheng
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Junhui Liu
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
| | - Mingju Huang
- Henan Joint International Research Laboratory of New Energy Materials and Devices, School of Physics and Electronics, Henan University, Kaifeng 475004, China.
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16
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Zhao W, Liu S, Liu Y, Yang S, Liu B, Hong X, Shen J, Sun C. Integration of ohmic junction and step-scheme heterojunction for enhanced photocatalysis. J Colloid Interface Sci 2024; 654:134-149. [PMID: 37837850 DOI: 10.1016/j.jcis.2023.09.158] [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: 07/26/2023] [Revised: 09/18/2023] [Accepted: 09/26/2023] [Indexed: 10/16/2023]
Abstract
A novel and efficient photocatalyst, Cu2WS4/MoS2-Au plasmonic Step-scheme (S-scheme) heterojunction, was constructed for the first time and applied to remove environmental pollutants. Among all the prepared photocatalysts, the. Cu2WS4/MoS2-Au-5 exhibited the highest catalytic activity with an 89.1% reduction efficiency for Cr6+ and a 98.7% oxidation efficiency for Benzophenone-1 (BP-1) under visible light irradiation. The Cu2WS4/MoS2-Au photocatalyst exhibits stable performance and efficient photocatalytic activity due to effective charge separation, enhanced light absorption from localized surface plasmon resonance (LSPR) of gold nanoparticles, and the formation of an S-scheme heterojunction with strong oxidation-reduction capabilities. In addition, through analysis of experiments and theoretical calculations, it is speculated that the Cu2WS4/MoS2-Au follows a typical S-scheme photogenerated carrier transferring mechanism, which is verified by the finite difference time domain simulation, the free radical quenching experiments, the electron paramagnetic resonance analysis and the simulated charge density distribution. More importantly, the simulations of the work function and charge density distribution confirm the built-in electric field and the ohmic junction have been established at the interfaces between the Cu2WS4 and MoS2 (Cu2WS4/MoS2) as well as the interface between MoS2 and Au (MoS2-Au), respectively. The built-in electric field and ohmic junction enable efficient separation of photogenerated electrons and holes, ensuring the superior catalytic oxidation and reduction activities of the Cu2WS4/MoS2-Au photocatalyst. Finally, we propose a photocatalytic mechanism for the Cu2WS4/MoS2-Au plasmonic S-scheme heterojunction based on experimental results and simulated calculations. The research results of this study are significance for the development of the plasmonic S-scheme photocatalytic system.
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Affiliation(s)
- Wei Zhao
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China.
| | - Siying Liu
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China
| | - Yun Liu
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China
| | - Shuo Yang
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China
| | - Benzhi Liu
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu Province, China
| | - Xuekun Hong
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China
| | - Junyu Shen
- School of Materials Engineering, Jiangsu Key Laboratory of Advanced Functional Materials, School of Electronic and Information Engineering, Changshu Institute of Technology, Changshu, China.
| | - Cheng Sun
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China.
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17
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Keyikoğlu R, Khataee A, Yoon Y. Enhanced generation of reactive radicals and electrocatalytic oxidation of levofloxacin using a trimetallic CuFeV layered double hydroxide-containing electrode. CHEMOSPHERE 2023; 340:139817. [PMID: 37586485 DOI: 10.1016/j.chemosphere.2023.139817] [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: 06/28/2023] [Revised: 08/03/2023] [Accepted: 08/12/2023] [Indexed: 08/18/2023]
Abstract
In Electro-Fenton (EF) processes, the use of iron as a catalyst under acidic conditions results in increased costs and potential secondary pollution. To address these issues, we developed a CuFeV layered double hydroxide (LDH) coating on graphite felt (GF) (CuFeV LDH@GF) that offers an effective performance across a broad pH range without causing metal pollution. The CuFeV LDH@GF cathode exhibited a good oxygen reduction performance, high stability, and an efficient removal of levofloxacin (LEV) over a wide pH range (pH = 3-10). The simultaneous presence of Cu2+/Cu3+, Fe2+/Fe3+, and V4+/V5+ redox pairs played a crucial role in facilitating interfacial electron transfer, thereby enhancing the production and subsequent activation of H2O2 within the system. The apparent rate constant (kapp) of LEV removal under neutral conditions with the CuFeV LDH@GF electrode was more than twice that of the raw GF electrode. This improvement can be attributed to the CuFeV LDH coating, which increased the generation of hydroxyl radicals (•OH) from 0.64 to 1.27 mM. Importantly, the CuFeV LDH@GF electrode maintained its efficiency and stability even after 10 reuse cycles. Additionally, GC-MS analyses revealed the degradation of intermediate compounds, which included cyclic and aliphatic compounds. This study provides significant insights into the synergistic effects of trimetallic LDHs, contributing to the development of high-performance cathodes.
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Affiliation(s)
- Ramazan Keyikoğlu
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Environmental Engineering, Helmholtz Centre for Environmental Research - UFZ, 04318 Leipzig, Germany
| | - Alireza Khataee
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Yeojoon Yoon
- Department of Environmental and Energy Engineering, Yonsei University, Wonju, Republic of Korea
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Vennapoosa CS, Varangane S, Gonuguntla S, Abraham BM, Ahmadipour M, Pal U. S-Scheme ZIF-67/CuFe-LDH Heterojunction for High-Performance Photocatalytic H 2 Evolution and CO 2 to MeOH Production. Inorg Chem 2023; 62:16451-16463. [PMID: 37737088 DOI: 10.1021/acs.inorgchem.3c02126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
The S-scheme heterojunction photocatalyst holds potential for better photocatalysis owing to its capacity to broaden the light absorption range, ease electron-hole separation, extend the charge carrier lifespan, and maximize the redox ability. In this study, we integrate zeolitic imidazolate frameworks (ZIFs-67) with the CuFe-LDH composite, offering a straightforward approach towards creating a novel hybrid nanostructure, enabling remarkable performance in both photocatalytic hydrogen (H2) evolution and carbon dioxide (CO2) to methanol (MeOH) conversion. The ZIF-67/CuFe-LDH photocatalyst exhibits an enhanced photocatalytic hydrogen evolution rate of 7.4 mmol g-1 h-1 and an AQY of 4.8%. The superior activity of CO2 reduction to MeOH generation was 227 μmol g-1 h-1 and an AQY of 5.1%, and it still exhibited superior activity after continuously working for 4 runs with nearly negligible decay in activity. The combined spectroscopic analysis, electrochemical study, and computational data strongly demonstrate that this hybrid material integrates the advantageous properties of the individual ZIF-67 and CuFe-LDH exhibiting distinguished photon harvesting, suppression of the photoinduced electron-hole recombination kinetics, extended lifetime, and efficient charge transfer, subsequently boosting higher photocatalytic activities.
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Affiliation(s)
- Chandra Shobha Vennapoosa
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Telangana 500007, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Sagar Varangane
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Telangana 500007, India
| | - Spandana Gonuguntla
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Telangana 500007, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - B Moses Abraham
- Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Mohsen Ahmadipour
- Institute of Power Engineering, Universiti Tenaga Nasional, Kajang 43000, Selangor, Malaysia
| | - Ujjwal Pal
- Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad, Telangana 500007, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
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19
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Jena M, Mallick S, Rath A, Dalai MK, Das DP. GQD@NiFe-LDH Nanosheets for Photocatalytic Activity towards Textile Dye Degradation via Lattice Contraction. Chempluschem 2023; 88:e202300276. [PMID: 37592812 DOI: 10.1002/cplu.202300276] [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: 06/07/2023] [Revised: 08/14/2023] [Accepted: 08/17/2023] [Indexed: 08/19/2023]
Abstract
The functionalized NiFe-LDH with photosensitized GQDs were synthesized through the hydrothermal route by differing the amount of GQDs solution and studied its efficacy towards the mineralization of textile dyes under visible light. The synthesized samples were characterized by XRD, FESEM, HRTEM, DRUV-Vis, RAMAN, XPS, and BET. The combined effect of the hexagonal carbon lattice in GQD and open layered porous structure of NiFe-LDH nanosheets results in the contraction of the lattice. Different reactive and conventional dyes were taken as representative dyes to evaluate the activity of the as-synthesized photocatalysts. The enhanced electron absorption/donor effect between GQDs and NiFe-LDH, and the growth of oxygen-bridged Ni/Fe-C moieties enable the composite to exhibit better photocatalytic activity. Both photocatalytic activity and characterization results confirmed that the GQD@NiFe-LDH nanocomposite heterostructure synthesized at 160 °C by taking 10 mL of GQDs aqueous solution named GNFLDH10 has a higher degree of crystallinity and has the best photocatalytic efficiency compared to other reported visible light catalysts. Specifically, the above optimized GQD@NiFe-LDH photocatalyst is capable of photo-mineralizing 50 ppm of Reactive Green in 20 min, Reactive Red in 20 min, and Congo Red in 25 min respectively following a direct Z-scheme mechanism with substantial reusability.
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Affiliation(s)
- Manasi Jena
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Sagar Mallick
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Ashutosh Rath
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Manas Kumar Dalai
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
| | - Dipti P Das
- Central Characterisation Department, CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), Bhubaneswar, 751013, Odisha, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, -201002, India
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20
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Mao Y, Lin L, Chen Y, Yang M, Zhang L, Dai X, He Q, Jiang Y, Chen H, Liao J, Zhang Y, Wang Y. Preparation of site-specific Z-scheme g-C 3N 4/PAN/PANI@LaFeO 3 cable nanofiber membranes by coaxial electrospinning: Enhancing filtration and photocatalysis performance. CHEMOSPHERE 2023; 328:138553. [PMID: 37004820 DOI: 10.1016/j.chemosphere.2023.138553] [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: 12/23/2022] [Revised: 03/26/2023] [Accepted: 03/29/2023] [Indexed: 06/19/2023]
Abstract
The coaxial electrospinning method for preparation of g-C3N4/polyacrylonitrile (PAN)/polyaniline (PANI)@LaFeO3 cable fiber membrane (PC@PL) was designed for adsorption-filtration-photodegradation of pollutants. A series of characterization results show that LaFeO3 and g-C3N4 nanoparticles (NPs) are respectively loaded in the inner and outer layers of PAN/PANI composite fibers to construct the site-specific Z-type heterojunction system with spatially separated morphologies. The PANI in cable not only possesses abundant exposed amino/imino functional groups for adsorption of contaminant molecules but also due to the excellent electrical conductivity works as a redox medium for collecting and consuming the electrons and holes from LaFeO3 and g-C3N4, which can efficiently promote photo-generated charge carriers separation and improve the catalytic performance. Further investigations demonstrate that as a photo-Fenton catalyst LaFeO3 in PC@PL catalyzes/activates the H2O2 generated in situ by LaFeO3/g-C3N4, further enhancing the decontamination efficiency of the PC@PL. The porous, hydrophilic, antifouling, flexible and reusable properties of the PC@PL membrane significantly enhance the mass transfer efficiency of reactants by filtration effect and increase the amount of dissolved oxygen, thus producing massive •OH for degradation of pollutants, which maintains the water flux (1184 L m-2. h-1 (LMH)) and the rejection rate (98.5%). Profiting from its unique synergistic effect of adsorption, photo-Fenton and filtration, PC@PL exhibits wonderful self-cleaning performance and distinguished removal rate for methylene blue (97.0%), methyl violet (94.3%), ciprofloxacin (87.6%) and acetamiprid (88.9%) within 75 min, disinfection (100% Escherichia coli (E. coli) and 80% Staphylococcus aureus (S.aureus) inactivation)) and excellent cycle stability.
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Affiliation(s)
- Yihang Mao
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Li Lin
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yuexing Chen
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa 32000, Israel
| | - Mingrui Yang
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Li Zhang
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Xianxiang Dai
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Qing He
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yuanyuan Jiang
- College of Science, Sichuan Agricultural University, Yaan 625014, China
| | - Hui Chen
- College of Life Science, Sichuan Agricultural University, Yaan 625014, China
| | - Jinqiu Liao
- College of Life Science, Sichuan Agricultural University, Yaan 625014, China
| | - Yunsong Zhang
- College of Science, Sichuan Agricultural University, Yaan 625014, China.
| | - Ying Wang
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Yaan 625014, China.
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21
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Zhang H, Cui D, Shen T, He T, Chen X, An S, Qi B, Song YF. Insight into the In-Situ Encapsulation-Reassembly Strategy To Fabricate PW 12@NiCo-LDH Acid-Base Bifunctional Catalysts. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37364053 DOI: 10.1021/acsami.3c03161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Acid-base bifunctional catalysts have attracted increasing attention due to the improved overall efficiency of synthetic reactions. Herein, we reported the successful fabrication of a PW12@NiCo-LDH acid-base bifunctional catalyst by using the in-situ encapsulation-reassembly strategy. The evolution process of morphology and structure was monitored carefully by various time-dependent characterizations. X-ray absorption fine structure (XAFS) and density functional theory (DFT) calculations demonstrated that the terminal oxygen of PW12 in PW12@NiCo-LDH preferred to assemble with the oxygen vacancies on NiCo-LDH. When applied for deacetalization-Knoevenagel condensation, the PW12@NiCo-LDH displayed >99% conversion of benzaldehyde dimethyl acetal (BDMA) and >99% yield of ethyl α-cyanocinnamate (ECC). Moreover, PW12@NiCo-LDH can be recycled at least 10 cycles without obvious structural change, which can be attributed to the confinement of PW12 into the NiCo-LDH nanocage. Such excellent catalytic activity of PW12@NiCo-LDH was benefited from the short mass transfer pathway between acid sites and base sites, which was caused by the stable assembly between PW12 and NiCo-LDH.
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Affiliation(s)
- Huaiying Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Dongyuan Cui
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Tianyang Shen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Tong He
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xuejie Chen
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Sai An
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Bo Qi
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- Quzhou Institute for Innovation in Resource Chemical Engineering, Quzhou, Zhejiang Province 324000, P. R. China
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22
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Biswal L, Mishra BP, Das S, Acharya L, Nayak S, Parida K. Nanoarchitecture of a Ti 3C 2@TiO 2 Hybrid for Photocatalytic Antibiotic Degradation and Hydrogen Evolution: Stability, Kinetics, and Mechanistic Insights. Inorg Chem 2023; 62:7584-7597. [PMID: 37126844 DOI: 10.1021/acs.inorgchem.3c01138] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Designing of a visible-light-driven semiconductor-based heterojunction with suitable band alignment and well-defined interfacial contact is considered to be an effective strategy for the transformation of solar-to-chemical energy and environmental remediation. In this context, MXenes have received tremendous attention in the research community due to their merits of abundant derivatives, elemental composition, excellent metallic conductivity, and surface termination groups. Meanwhile, a facile synthetic strategy for MXene-derived TiO2 nanocomposites with stable framework and higher photocatalytic activity under visible-light irradiation still remains a challenge for researchers. Herein, we report a novel synthetic strategy of preparing a two-dimensional Ti3C2@TiO2 nanohybrid by a facile reflux method under acidic conditions. In this oxidation reaction, protonation of the hydroxyl terminal group of MXene creates Ti more electrophilic and susceptible to an oxidative nucleophilic addition reaction with the presence of both water and oxygen. The physicochemical properties of the nanohybrid Ti3C2@TiO2 were verified by varieties of characterization techniques. High-resolution transmission electron microscopy and X-ray photoelectron spectroscopy analysis specifically elucidated the intimate interfacial interaction between Ti3C2 and TiO2. The optimized Ti3C2@TiO2-48 h photocatalyst exhibited the highest tetracycline hydrochloride (TCH, 90% in 90 min) degradation efficiency in comparison to pristine TiO2 with a rate constant (k) of 0.02463 min-1. The major contribution of •O2- and •OH radicals throughout photocatalytic TCH degradation was confirmed by the trapping experiment. Moreover, the photocatalyst showed the highest hydrogen generation rate of 140.8 μmol h-1 along with an apparent conversion efficiency of 2.2%. The excellent photocatalytic activity of Ti3C2@TiO2 originated from the superior electrical conductivity of cocatalyst Ti3C2, which facilitated spatial photogenerated e-/h+ separation and transfer at the Ti3C2 MXene@TiO2 interface. Overall, this research work will describe a promising protocol of designing MXene-derived photocatalysts toward efficient environmental remediation and wastewater treatment applications.
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Affiliation(s)
- Lijarani Biswal
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
| | - Bhagyashree Priyadarshini Mishra
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
| | - Sarmistha Das
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
| | - Lopamudra Acharya
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
| | - Susanginee Nayak
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research, Siksha 'O' Anusandhan University, Bhubaneswar 751030, India
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23
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Nayak S, Kumar Das K, Parida K. Indulgent of the physiochemical features of MgCr-LDH nanosheets towards photodegradation process of methylene blue. J Colloid Interface Sci 2023; 634:121-137. [PMID: 36535152 DOI: 10.1016/j.jcis.2022.12.050] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 12/01/2022] [Accepted: 12/11/2022] [Indexed: 12/15/2022]
Abstract
In the present work, we report the preparatory strategy of MgCr-layered double hydroxide (LDH) nanosheets with 90% degree of delamination by employing a formamide-assisted co-precipitation and mild hydrothermal route for the degradation of methylene blue (MB) under solar light exposure. The as-synthesized MgCr-LDH nanosheets were characterized by assorted characterization techniques such as powder X-ray diffraction (PXRD), transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), Raman, thermogravimetric analysis (TGA), N2 adsorption-desorption measurement, X-ray photoelectron spectroscopy (XPS) and UV-Visible diffused reflectance spectroscopy (UV-DRS). The XRD pattern of MgCr-LDH nanosheets quantified the strain (ε) and dislocation density (δ) of 1.371 lines-2 m-4 and 0.5723 lines m-2 related to the (110) plane with d-spacing value of 1.6169 Ȧ. With a minimum band gap of ∼2.63 eV, the as-synthesized MgCr-LDH nanosheets displayed 90.6% MB photodegradation under the experimental protocols such as catalyst dosage of 30 mg/L, initial MB concentrations of 20 ppm, pH of 7 and time duration of 2 h under solar light exposure. Further, the recyclability test of the photocatalyst signifies material stability up to four successive cycles with 90% retention of MB degradation under sunlight exposure. The superior catalytic performances of the MgCr-LDH nanosheets could be ascertained to the suppression of excitonic recombination and effective light harvestation properties, synergistically contributed by the porous structural aspects via association of uni/multi-lamellar nanosheets, surface defect sites and photoactive Cr3+ cations. Additionally, the surface -OH groups of LDH contributed towards the generation of •OH radicals for triggering the catalytic performances. This type of work advances the novel ideas for establishing highly potent photocatalysts via synergizing structural and surface properties, paving towards effective wastewater treatment.
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Affiliation(s)
- Susanginee Nayak
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar 751030, Odisha, India
| | - Kundan Kumar Das
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar 751030, Odisha, India
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research (ITER), Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar 751030, Odisha, India.
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24
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Mureseanu M, Cioatera N, Carja G. Fe-Ce/Layered Double Hydroxide Heterostructures and Their Derived Oxides: Electrochemical Characterization and Light-Driven Catalysis for the Degradation of Phenol from Water. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:981. [PMID: 36985874 PMCID: PMC10051958 DOI: 10.3390/nano13060981] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Fe-Ce/layered double hydroxides (LDHs) were synthesized via a facile route by exploiting the "structural memory" of the LDH when the calcined MgAlLDH and ZnAlLDH were reconstructed in the aqueous solutions of FeSO4/Ce(SO4)2. XRD analysis shows the formation of heterostructured catalysts that entangle the structural characteristics of the LDHs with those of Fe2O3 and CeO2. Furthermore, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, TG/DTG, SEM/EDX and TEM results reveal a complex morphology defined by the large nano/microplates of the reconstructed LDHs that are tightly covered with nanoparticles of Fe2O3 and CeO2. Calcination at 850 °C promoted the formation of highly crystallized mixed oxides of Fe2O3/CeO2/ZnO and spinels. The photo-electrochemical behavior of Fe-Ce/LDHs and their derived oxides was studied in a three-electrode photo-electrochemical cell, using linear sweep voltammetry (LSV), Mott-Schottky (M-S) analysis and photo-electrochemical impedance spectroscopy (PEIS) measurements, in dark or under illumination. When tested as novel catalysts for the degradation of phenol from aqueous solutions, the light-driven catalytic heterojunctions of Fe-Ce/LDH and their derived oxides reveal their capabilities to efficiently remove phenol from water, under both UV and solar irradiation.
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Affiliation(s)
- Mihaela Mureseanu
- Department of Chemistry, Faculty of Sciences, University of Craiova, Calea Bucuresti, 107I, 200478 Craiova, Romania;
| | - Nicoleta Cioatera
- Department of Chemistry, Faculty of Sciences, University of Craiova, Calea Bucuresti, 107I, 200478 Craiova, Romania;
| | - Gabriela Carja
- Faculty of Chemical Engineering and Environmental Protection, Technical University of Iasi, 71 D. Mangeron, 700050 Iasi, Romania
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25
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Iqbal S, Liu J, Ma H, Liu W, Zuo S, Yu Y, Khan A. Development of TiO2 decorated Fe2O3QDs/g-C3N4 Ternary Z-scheme photocatalyst involving the investigation of phase analysis via strain mapping and its photocatalytic performance under visible light illumination. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-023-04987-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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26
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Trang TNQ, Bao NTG, Trinh NTP, Thu VTH. Synergistic combination of Au-loaded and the facet of 3D SrTiO3 nanocube-based charge carrier in plasmonic photocatalysis. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-023-02731-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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27
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Novel Thin-Film Nanocomposite Forward Osmosis Membranes Modified with WS2/CuAl LDH Nanocomposite to Enhance Desalination and Anti-fouling Performance. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02547-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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28
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Luo Y, Wang Y, Hua F, Xue M, Xie X, Xie Y, Yu S, Zhang L, Yin Z, Xie C, Hong Z. Adsorption and photodegradation of reactive red 120 with nickel-iron-layered double hydroxide/biochar composites. JOURNAL OF HAZARDOUS MATERIALS 2023; 443:130300. [PMID: 36345061 DOI: 10.1016/j.jhazmat.2022.130300] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/08/2022] [Accepted: 10/30/2022] [Indexed: 06/16/2023]
Abstract
Layered double hydroxide (LDH) materials were widely applied for adsorption and photodegradation of pollutants for wastewater treatment. New efficient LDH materials with adsorption and photodegradation abilities will be promising candidates for pollutants removal. Hence, a series of NiFe-LDH/biochar (NiFe/BC) were fabricated by the coprecipitation method for synergistic adsorption and photodegradation anionic dyes of reactive red 120 (RR120). The removal experiment showed that the addition of an appropriate amount of biochar into NiFe-LDH enhanced the adsorption capacity and its photocatalytic ability. The optimized NiFe/BC2 composite can remove 88.5 % of RR120 under visible light by adsorption and photocatalysis, which was much better than NiFe-LDH (63.3 %) and biochar (2.6 %). The photodegradation kinetic constant of the NiFe/BC2 composite was 3.1 and 104.8 times that of NiFe-LDH and BC. In addition, active species capture experiments and electron spin resonance (ESR) tests revealed the removal mechanisms of NiFe/BC composites for RR120 removal. This work affords a feasible strategy for preparing LDH-based photocatalyst with excellent adsorption and photocatalytic performance for wastewater treatment.
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Affiliation(s)
- Yidan Luo
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Yonghu Wang
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Feng Hua
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Mingshan Xue
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China.
| | - Xianchuan Xie
- Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, School of Resource and Environment, Nanchang University, Nanchang 330031, China.
| | - Yu Xie
- Department of Material Chemistry, Nanchang Hangkong University, Nanchang 330063, China
| | - Shuohan Yu
- Department of Material Chemistry, Nanchang Hangkong University, Nanchang 330063, China
| | - Longshuai Zhang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Zuozhu Yin
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Chan Xie
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Zhen Hong
- Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
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29
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In2S3/g-C3N4/CoZnAl-LDH composites with the lamellar dual S-scheme heterostructure and its enhanced photocatalytic performance. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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30
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Lin Y, Wang Y, Shi C, Zhang D, Liu G, Chen L, Yuan B, Hou A, Zou D, Liu X, Zhang Q. Degradation of ciprofloxacin by a constitutive g-C 3N 4/BiOCl heterojunction under a persulfate system. RSC Adv 2023; 13:4361-4375. [PMID: 36760283 PMCID: PMC9892887 DOI: 10.1039/d2ra06500b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 01/09/2023] [Indexed: 02/05/2023] Open
Abstract
Ciprofloxacin (CIP) is a third-generation quinolone antimicrobial with broad-spectrum antimicrobial activity, and is not fully metabolized in the human body, resulting in more than 70% of CIP being excreted into water as a prodrug. In this study, g-C3N4/BiOCl heterojunction structure composites were prepared to study the degradation effect of ciprofloxacin (CIP) under photocatalytic conditions. The results showed that CIP at 10 mg L-1 was best degraded after 90 min at 0.3 g L-1 g-C3N4/BiOCl-2, pH of 5.8 and PS dosing of 1 mM. The quenching experiments and electron spin resonance spectroscopy (ESR) confirmed that ˙OH, ˙SO4 - and h+ played a major role. After the photocatalytic degradation of this reaction system, the biological toxicity of CIP was effectively controlled. This material is stable and the CIP removal rate remained above 80% after four cycles of experiments.
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Affiliation(s)
- Yingzi Lin
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University Changchun 130118 China .,School of Municipal & Environmental Engineering, Jilin Jianzhu University Changchun 130118 China
| | - Yu Wang
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Chunyan Shi
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Dongyan Zhang
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Gen Liu
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Lei Chen
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Baoling Yuan
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Ao Hou
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Deqiang Zou
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Xiaochen Liu
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
| | - Qingyu Zhang
- School of Municipal & Environmental Engineering, Jilin Jianzhu UniversityChangchun 130118China
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31
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Dong Z, Su S, Zhang Z, Jiang Y, Xu J. NiFe-Layered Double Hydroxides/Lead-free Cs 2AgBiBr 6 Perovskite 2D/2D Heterojunction for Photocatalytic CO 2 Conversion. Inorg Chem 2023; 62:1752-1761. [PMID: 36644842 DOI: 10.1021/acs.inorgchem.2c04374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Designing of heterojunction photocatalysts with appropriate interfacial contact plays crucial roles in enhancing the interfacial charge transfer/separation. A two-dimensional (2D)/2D face-to-face heterojunction is an ideal option since this architecture with a large contact area can provide abundant reactive centers and promote the interfacial charge transfer/separation between layers. Herein, a novel 2D/2D heterojunction of NiFe-layered double hydroxides (NiFe-LDH)/Cs2AgBiBr6 (CABB) was fabricated by electrostatic self-assembly of NiFe-LDH and CABB nanosheets. This unique 2D/2D architecture endowed NiFe-LDH/CABB with a large contact area and a short charge transport distance, assuring remarkable interfacial charge transfer/separation rates. As a result, the 2D/2D NiFe-LDH/CABB heterojunction exhibited significant improvement in photocatalytic CO2 reduction under visible light than the pristine counterparts. Based on density functional theory calculations and various characterizations, a step scheme charge-transfer mechanism was proposed. This investigation sheds light on the designing and manufacturing of highly efficient 2D/2D heterostructure photocatalysts for artificial photosynthesis.
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Affiliation(s)
- Zhongliang Dong
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Shiwei Su
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Zhijie Zhang
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Ying Jiang
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
| | - Jiayue Xu
- School of Materials Science and Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P. R. China
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32
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Wu R, Song J, Lu J, Ji X, Tian G, Zhang F. Constructions of Fe3O4/HAp/Au Nanohybrids with Multifunctional Structure for Efficient Photocatalysis and Environmental Remediation of Organic Dyes. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.134908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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33
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Jemini, Singh S, Pal B. Efficient ZnCr LDH/monoclinic‐WO
3
composites for Degradation of Tetracycline under Visible Light. ChemistrySelect 2022. [DOI: 10.1002/slct.202203846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Jemini
- School of Chemistry and Biochemistry Thapar Institute of Engineering and Technology Patiala 147004 Punjab India
| | - Satnam Singh
- School of Chemistry and Biochemistry Thapar Institute of Engineering and Technology Patiala 147004 Punjab India
| | - Bonamali Pal
- School of Chemistry and Biochemistry Thapar Institute of Engineering and Technology Patiala 147004 Punjab India
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34
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Keyikoğlu R, Doğan IN, Khataee A, Orooji Y, Kobya M, Yoon Y. Synthesis of visible light responsive ZnCoFe layered double hydroxide towards enhanced photocatalytic activity in water treatment. CHEMOSPHERE 2022; 309:136534. [PMID: 36210593 DOI: 10.1016/j.chemosphere.2022.136534] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/05/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
In this study, a ternary layered double hydroxide containing Zn, Co, and Fe transition metals (ZnCoFe LDH) was developed using a co-precipitation procedure. The as-synthesized photocatalyst was evaluated for its performance in the degradation of methylene blue (MB) under visible light irradiation. The effects of various process conditions including photocatalyst dosage, pollutant concentration, pH, lamp distance, and lamp power were investigated. The ZnCoFe LDH achieved approximately 74% photodegradation efficiency owing to the narrow bandgap of 2.14 eV. The Langmuir-Hinselwood rate constants were calculated as 1.17 min-1 and 3.55 min-1 for photolysis by LED lamp alone and for photocatalysis by LED/ZnCoFe LDH, respectively. The photocatalytic ability of the LDH was attributed to the generation of radical species like •OH and O2•-. The photocatalytic degradation intermediates of MB were determined by GC-MS analysis. The catalyst retained its performance throughout seven reuse cycles with only a 4.17% reduction in removal efficiency. The energy per order EEO of the ZnCoFe/LED process in 180 min treatment time was determined as 5.41 kWh.m-3. order-1. This study shows that ZnCoFe LDH has sufficient activity and photostability for long-term application in photocatalytic water treatment.
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Affiliation(s)
- Ramazan Keyikoğlu
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Environmental Engineering, Faculty of Engineering and Natural Sciences, Bursa Technical University, 16310, Bursa, Turkey
| | - Irmak Naz Doğan
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey
| | - Alireza Khataee
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran.
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China.
| | - Mehmet Kobya
- Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Environmental Engineering, Kyrgyz-Turkish Manas University, 720038, Bishkek, Kyrgyzstan
| | - Yeojoon Yoon
- Department of Environmental and Energy Engineering, Yonsei University, Wonju, Republic of Korea.
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35
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Teng D, Qu J, Li P, Jin P, Zhang J, Zhang Y, Cao Y. Heterostructured α-Bi 2O 3/BiOCl Nanosheet for Photocatalytic Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3631. [PMID: 36296821 PMCID: PMC9608947 DOI: 10.3390/nano12203631] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
Photocatalytic degradation of organic pollutants in wastewater is recognized as a promising technology. However, photocatalyst Bi2O3 responds to visible light and suffers from low quantum yield. In this study, the α-Bi2O3 was synthetized and used for removing Cl- in acidic solutions to transform BiOCl. A heterostructured α-Bi2O3/BiOCl nanosheet can be fabricated by coupling Bi2O3 (narrow band gap) with layered BiOCl (rapid photoelectron transmission). During the degradation of Rhodamine B (RhB), the Bi2O3/BiOCl composite material presented excellent photocatalytic activity. Under visible light irradiation for 60 min, the Bi2O3/BiOCl photocatalyst delivered a superior removal rate of 99.9%, which was much higher than pristine Bi2O3 (36.0%) and BiOCl (74.4%). Radical quenching experiments and electron spin resonance spectra further confirmed the dominant effect of electron holes h+ and superoxide radical anions ·O2- for the photodegradation process. This work develops a green strategy to synthesize a high-performance photocatalyst for organic dye degradation.
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Affiliation(s)
- Daoguang Teng
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Jie Qu
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Peng Li
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Peng Jin
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Jie Zhang
- School of Ecology and Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Ying Zhang
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Yijun Cao
- School of Chemical Engineering and Zhongyuan Critical Metals Laboratory, Zhengzhou University, Zhengzhou 450001, China
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Li C, Jing H, Wu Z, Jiang D. Layered Double Hydroxides for Photo(electro)catalytic Applications: A Mini Review. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12193525. [PMID: 36234654 PMCID: PMC9565588 DOI: 10.3390/nano12193525] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/25/2022] [Accepted: 10/05/2022] [Indexed: 05/16/2023]
Abstract
Chemical energy conversion strategies by photocatalysis and electrocatalysis are promising approaches to alleviating our energy shortages and environmental issues. Due to the 2D layer structure, adjustable composition, unique thermal decomposition and memory properties, abundant surface hydroxyl, and low cost, layered double hydroxides (LDHs) have attracted extensive attention in electrocatalysis, photocatalysis, and photoelectrocatalysis. This review summarizes the main structural characteristics of LDHs, including tunable composition, thermal decomposition and memory properties, delaminated layer, and surface hydroxyl. Next, the influences of the structural characteristics on the photo(electro)catalytic process are briefly introduced to understand the structure-performance correlations of LDHs materials. Recent progress and advances of LDHs in photocatalysis and photoelectrocatalysis applications are summarized. Finally, the challenges and future development of LDHs are prospected from the aspect of structural design and exploring structure-activity relationships in the photo(electro)catalysis applications.
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Affiliation(s)
- Cheng Li
- School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410114, China
| | - Huihua Jing
- Hunan Provincial Institute of Product and Goods Quality Inspection, Changsha 410116, China
| | - Zhong Wu
- Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
- Correspondence: (Z.W.); (D.J.)
| | - Denghui Jiang
- School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410114, China
- Hunan Provincial Key Laboratory of Flexible Electronic Materials Genome Engineering, Changsha University of Science and Technology, Changsha 410114, China
- Hunan Province Higher Education Key Laboratory of Modeling and Monitoring on the Near-Earth Electromagnetic Environments, Changsha University of Science and Technology, Changsha 410114, China
- Correspondence: (Z.W.); (D.J.)
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Zhong F, Yuan C, He Y, Sun Y, Sheng J, Dong F. Dual-quantum-dots heterostructure with confined active interface for promoted photocatalytic NO abatement. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129463. [PMID: 35780741 DOI: 10.1016/j.jhazmat.2022.129463] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 06/14/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Constructing heterostructure is an effective way to fabricate advanced photocatalysts. However, the catalytic performance of typical common multi-dimensional bulk heterostructure still suffers from the limited active interface and inefficient carrier migration. Herein, we successfully synthesize the SnO2/Cs3Bi2I9 dual-quantum-dots nanoheterostructure (labeled as SCX, X = 1, 2, 3) for efficiently and stably photocatalytic NO removal under visible light irradiation. The NO removal rate of SC2 is almost 8 and 17 times higher than that of the single SnO2 and Cs3Bi2I9, respectively. Moreover, the SC2 photocatalyst shows only 3 % attenuation after five consecutive cycles, demonstrating good photocatalytic stability. Systematic experimental characterization and theoretical density functional theory calculations revealed that the high activity and stability of SCX originated from the efficient charge transfer at the confined interface between SnO2 and Cs3Bi2I9 quantum dots. This work provides a new perspective for constructing innovative dual-quantum-dots nanoheterostructure and assesses their potential in photocatalytic environmental applications.
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Affiliation(s)
- Fengyi Zhong
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, Zhejiang, China; College of Environment and Resources & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Chaowei Yuan
- College of Environment and Ecology, Chongqing University, Chongqing 400044, China
| | - Ye He
- College of Environment and Resources & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Yanjuan Sun
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, Zhejiang, China; College of Environment and Resources & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
| | - Jianping Sheng
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, Zhejiang, China; College of Environment and Resources & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China.
| | - Fan Dong
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, Zhejiang, China; College of Environment and Resources & Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China
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Chen Y, Li T, Qiu X, Shang X. Eu3+-doped MgAl LDH with fluorescence as carrier for 5-fluorouracil: intercalation and release. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04828-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chaudhuri H, Yun YS. Synthesis and environmental applications of graphene oxide/layered double hydroxides and graphene oxide/MXenes: A critical review. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121518] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Balakumar S, Mahesh N, Kamaraj M, Shyamalagowri S, Manjunathan J, Murugesan S, Aravind J, Babu PS. Outlook on bismuth-based photocatalysts for environmental applications: A specific emphasis on Z-scheme mechanisms. CHEMOSPHERE 2022; 303:135052. [PMID: 35618054 DOI: 10.1016/j.chemosphere.2022.135052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/30/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Semiconductor photocatalysis is thought to be a viable solution for addressing the growing problem of environmental pollution. Bismuth (Bi) metal oxides can function as a direct plasmonic photocatalyst or cocatalyst to accelerate the photogenerated charge separation and thus improve their photocatalytic activity. Hence, Bi-based photocatalysts have received a lot of attention due to their extensive environmental applications, including pollutant remediation and energy concepts. Massive efforts have been undertaken in the recent decade to find superior Bi-metal oxides (Bi2XO6, X = MO, W, or Cr) and to uncover the corresponding photocatalytic reaction mechanism for the degradation of organic contaminants in water. Herein, the unique crystalline and electronic properties and main synthesis methods, as well as the major Bi-Based direct Z-scheme photocatalysts, are timely discussed and summarized in their usage in water treatment. Besides, the impact of Bi2XO6 in energy storage devices and solar energy conversion is reviewed as an energy application. Finally, the future development and challenges of Z-scheme-based Bi2XO6 photocatalysts are briefly explored, summarized, and forecasted.
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Affiliation(s)
- Srinivasan Balakumar
- Department of Chemistry and Biosciences, Srinivasa Ramanujan Centre, SASTRA Deemed to Be University, Kumbakonam, 612001, Tamil Nadu, India
| | - Narayanan Mahesh
- Department of Chemistry and Biosciences, Srinivasa Ramanujan Centre, SASTRA Deemed to Be University, Kumbakonam, 612001, Tamil Nadu, India.
| | - M Kamaraj
- Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology - Ramapuram Campus, Chennai, 600089, Tamil Nadu, India
| | - S Shyamalagowri
- PG and Research Department of Botany, Pachaiyappa's College, Chennai, 600030, Tamil Nadu, India
| | - J Manjunathan
- Department of Biotechnology, Vels Institute of Science, Technology and Advanced Studies (VISTAS), Chennai, 600117, Tamil Nadu, India
| | - S Murugesan
- PG and Research Department of Botany, Pachaiyappa's College, Chennai, 600030, Tamil Nadu, India
| | - J Aravind
- Department of Bio-Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602105, Tamil Nadu, India
| | - P Suresh Babu
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602105, Tamil Nadu, India; Faculty of Pharmaceutical Sciences, UCSI University, 56000, Cheras, Kuala Lumpur, Malaysia.
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Cong Y, Li Y, Wang X, Wei X, Che L, Lv SW. A newly-constructed double p-n heterojunction based on g-C3N4@NiO/Ni@MIL-101 ternary composite with enhanced photocatalytic performance for wastewater purification. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lee S, Shin EY, Jang D, Choi S, Park H, Kim J, Park S. Production of mesoporous carbon nitrides and their photocatalytic properties for degradation of organic pollutants. B KOREAN CHEM SOC 2022. [DOI: 10.1002/bkcs.12596] [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]
Affiliation(s)
- Suyeon Lee
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Eun Young Shin
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Dawoon Jang
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Seungjoo Choi
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Hyeju Park
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Jeongho Kim
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
| | - Sungjin Park
- Department of Chemistry and Chemical Engineering Institution Inha University Michuhol‐gu, Incheon Republic of Korea
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Luo J, Wu J, Liu Y, Yuan J, Wang F. Enhanced visible light photocatalytic hydrogen production over poly(dibenzothiophene- S, S-dioxide)-based heterostructures decorated by Earth-abundant layered double hydroxides. Dalton Trans 2022; 51:11768-11775. [PMID: 35858471 DOI: 10.1039/d2dt01465c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Layered double hydroxides (LDHs) have emerged as one of the promising catalyst substitutes to noble metals in photocatalytic water splitting due to their unique optoelectronic properties. Herein, a series of novel PSO@NiFeLDH composites have been designed and synthesized to investigate photocatalytic performance. Various physicochemical techniques characterized their structural, nanomorphological, and optical properties. These results demonstrated the existence of NiFeLDH particles on the surface of PSO and the strong interaction between NiFeLDH and PSO. The photocatalytic performance was much increased in the case of PSO@NiFeLDH as compared to that of Pt-modified PSO because of the synergistic effect between PSO and NiFeLDH. Remarkably, PSO@NiFeLDH-15 exhibits the highest photocatalytic activity with a rate of 52.8 mmol h-1 g-1 at an optimal content without a Pt cocatalyst under visible light irradiation.
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Affiliation(s)
- Jingsong Luo
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Jun Wu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Yuxiang Liu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Jiahuan Yuan
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
| | - Feng Wang
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, P. R. China.
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Jin Z, Li Q, Tang P, Li G, Liu L, Chen D, Wu J, Chai Z, Huang G, Chen X. Copper-doped carbon dots with enhanced Fenton reaction activity for rhodamine B degradation. NANOSCALE ADVANCES 2022; 4:3073-3082. [PMID: 36133526 PMCID: PMC9417171 DOI: 10.1039/d2na00269h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/07/2022] [Indexed: 06/16/2023]
Abstract
The Fenton reaction has attracted extensive attention due to its potential to be a highly efficient and environmentally friendly wastewater treatment technology. Noble copper-doped carbon dots (CuCDs) are prepared through a simple one-step hydrothermal method with 3,4-dihydroxyhydrocinnamic acid, 2,2'-(ethylenedioxy)bis(ethylamine) and copper chloride, endowing the Fenton reaction with enhanced catalytic activity for rhodamine B (RhB) degradation. The effects of the concentration of CuCDs, temperature, pH, oxygen (O2), metal ions and polymers on the catalytic activity of CuCDs are investigated. It is worth noting that electron transfer happening on the surface of CuCDs plays a vital role in the RhB degradation process. As evidenced by radical scavenger experiments and electron spin resonance (ESR) studies, CuCDs significantly boost the formation of hydroxyl radicals (˙OH) and singlet oxygen (1O2), facilitating the Fenton reaction for RhB degradation. Due to the strong oxidation of ROS generated by the Fe2+ + H2O2 + CuCD system, RhB degradation may involve the cleavage of the chromophore aromatic ring and the de-ethylation process. Additionally, the toxicity of RhB degradation filtrates is assessed in vitro and in vivo. The as-prepared CuCDs may be promising catalytic agents for the enhancement of the Fenton reaction.
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Affiliation(s)
- Zhiru Jin
- School of Public Health, Guangxi Medical University Nanning 530021 China
- Department of Ultrasonic Medicine, First Affiliated Hospital of Guangxi Medical University Nanning 530021 China
| | - Qiuying Li
- School of Public Health, Guangxi Medical University Nanning 530021 China
| | - Peiduo Tang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences Nanning 530007 China
| | - Ganfeng Li
- School of Public Health, Guangxi Medical University Nanning 530021 China
| | - Li Liu
- School of Public Health, Guangxi Medical University Nanning 530021 China
| | - Dong Chen
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences Nanning 530007 China
| | - Ji Wu
- Department of Ultrasonic Medicine, First Affiliated Hospital of Guangxi Medical University Nanning 530021 China
| | - Zhihui Chai
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences Nanning 530007 China
| | - Gang Huang
- State Key Laboratory of Non-Food Biomass and Enzyme Technology, Guangxi Academy of Sciences Nanning 530007 China
| | - Xing Chen
- School of Public Health, Guangxi Medical University Nanning 530021 China
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45
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2D FeNi-LDO nanosheets for photocatalytic non-oxidative coupling of methane. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04739-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nayak S, Parida K. Superlative photoelectrochemical properties of 3D MgCr-LDH nanoparticles influencing towards photoinduced water splitting reactions. Sci Rep 2022; 12:9264. [PMID: 35661140 PMCID: PMC9166737 DOI: 10.1038/s41598-022-13457-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 05/12/2022] [Indexed: 11/10/2022] Open
Abstract
In the present work, we report the synthesis of single system three-dimensional (3D) open porous structure of MgCr-LDH nanoparticles in a substrate-free path by using one-step formamide assisted hydrothermal reaction followed by visible light irradiation for significant photoelectrochemical (PEC) properties that manifest towards photocatalytic H2 and O2 production. The as-prepared nanostructured materials were characterized by various physico-chemical characterization techniques. Moreover, this unique synthetic approach produces 3D open porous network structure of MgCr-LDH nanoparticles, which were formed by stacking of numerous 2D nanosheets, for effective light harvestation, easy electronic channelization and unveil superlative PEC properties, including high current density (6.9 mA/cm2), small Tafel slope of 82 mV/decade, smallest arc of the Nyquist plot (59.1 Ω cm−2) and photostability of 6000 s for boosting water splitting activity. In addition, such perfectly self-stacked 2D nanosheets in 3D MgCr-LDH possess more surface active defect sites as enriched 50% oxygen vacancy resulting a good contact surface within the structure for effective light absorption along with easy electron and hole separation, which facilitates the adsorption of protons and intermediate for water oxidation. Additionally, the Cr3+ as dopant pull up the electrons from water oxidation intermediates, thereby displaying superior photocatalytic H2 and O2 production activity of 1315 μmol/h and 579 μmol/h, respectively. Therefore, the open 3D morphological aspects of MgCr-LDH nanoparticles with porous network structure and high surface area possess more surface defect sites for electron channelization and identified as distinct novel features of this kind of materials for triggering significant PEC properties, along with robustly enhance the photocatalytic water splitting performances.
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Affiliation(s)
- Susanginee Nayak
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research (ITER), Siksha 'O' Anusandhan Deemed to Be University, Bhubaneswar, Odisha, 751030, India.
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology, Institute of Technical Education and Research (ITER), Siksha 'O' Anusandhan Deemed to Be University, Bhubaneswar, Odisha, 751030, India.
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Rationally designed Ti 3C 2/N, S-TiO 2/g-C 3N 4 ternary heterostructure with spatial charge separation for enhanced photocatalytic hydrogen evolution. J Colloid Interface Sci 2022; 621:254-266. [PMID: 35461140 DOI: 10.1016/j.jcis.2022.04.071] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/04/2022] [Accepted: 04/10/2022] [Indexed: 11/22/2022]
Abstract
The charge separation and transfer are the major issues dominating the under-laying energy conversion mechanism for photocatalytic system. Construction of semiconductor-based heterojunction system considered to be viable option for boosting the spatial charge separation and transfer in the photocatalytic water splitting system. Here, we design a ternary heterojunction of Ti3C2/N, S-TiO2/g-C3N4 by thermal annealing and ultrasonic assisted impregnation method having a well-designed n-n heterojunction and noble metal free Schottky junction for adequate hydrogen evolution. The optimal content of 4 wt% Ti3C2 on N, S-TiO2/g-C3N4 (4-TC/NST/CN) exhibit the highest rate of hydrogen generation 495.06μ mol h-1 which is 3.1, 4.1 and 1.6 fold higher than the pristine N, S doped-TiO2, g-C3N4 and binary hybrid (N, S doped-TiO2/g-C3N4) respectively, with 7% apparent conversion efficiency (ACE). The increment in the activity is described to the robust photogenerated carrier separation and double charge transfer channels because of the formation of dual heterojunction (n-n heterojunction and Schottky junction). XRD and Raman results revealed the occupancy of Ti3C2 in the heterojunction due to the strong interaction between Ti3C2, with N, S doped-TiO2 and g-C3N4. The HRTEM analysis confirmed the formation of close interfacial junction between the Ti3C2, N, S doped-TiO2 and g-C3N4. Moreover, the higher photocurrent, low PL intensity and lower impedance arc suggested the lower charge carrier recombination rate in 4-TC/NST/CN heterojunction. This work represents a significant development to establish a sound foundation for future design of MXene-based ternary hybrid system towards significant charge carrier separation and transfer for H2 production activity.
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Zhang L, Meng Y, Shen H, Li J, Yang C, Xie B, Xia S. High-Efficiency Photocatalytic Ammonia Synthesis by Facet Orientation-Supported Heterojunction Cu 2O@BiOCl[100] Boosted by Double Built-In Electric Fields. Inorg Chem 2022; 61:6045-6055. [PMID: 35412822 DOI: 10.1021/acs.inorgchem.2c00058] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this work, the advantages of in situ loading, heterojunction construction, and facet regulation were integrated based on the poly-facet-exposed BiOCl single crystal, and a facet-oriented supported heterojunction of Cu2O and BiOCl was fabricated (Cu2O@BiOCl[100]). The photocatalytic nitrogen reduction reaction (pNRR) activity of Cu2O@BiOCl[100] was as high as 181.9 μmol·g-1·h-1, which is 4.09, 7.13, and 1.83 times that of Cu2O, BiOCl, and Cu2O@BiOCl-ran (Cu2O randomly supported on BiOCl). Combined with the results of the photodeposition experiment, X-ray photoelectron spectroscopy characterization, and DFT calculation, the mechanism of Cu2O@BiOCl[100] for pNRR was discussed. When Cu2O directionally loaded on the [100] facet of BiOCl, electrons generated by Cu2O will be transmitted to the [100] facet of BiOCl through Z-scheme electron transmission. Due to the directional separation characteristics of charge in BiOCl, the electrons transmitted from Cu2O are enriched on the [001] facet of BiOCl, which will together with the original electrons generated by pristine BiOCl act on pNRR, thus greatly improving the activity of photocatalytic ammonia synthesis. Thus, a new construction scheme of biphasic semiconductor heterojunction was proposed, which provides a reference research idea for designing and synthesizing high-performance photocatalysts for nitrogen reduction.
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Affiliation(s)
- Lianyang Zhang
- Key Laboratory of Clean Dyeing and Finishing Technology of Zhejiang Province, College of Textiles and Fashion, Shaoxing University, Shaoxing 312000, Zhejiang, PR China
| | - Yue Meng
- Department of Life and Health Sciences, Huzhou College, Huzhou 313000, China
| | - Hui Shen
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Jinhua Li
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Chunfang Yang
- Zhejiang Huayuan Pigment Co., Ltd., Deqing 310024, Zhejiang, PR China
| | - Bo Xie
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
| | - Shengjie Xia
- Department of Chemistry, College of Chemical Engineering, Zhejiang University of Technology, 18 Chaowang Road, Hangzhou 310014, PR China
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Chen Y, Sun X, Huang Y, Guo D, Zheng L, Liu Y, Li S. Hierarchical Bi0.5Fe0.5VO4/honeycomb ceramic plate synergize plasma induce multi-catalysis by constructing a plasma-catalyst system for organic pollutant degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120444] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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50
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Sun M, Chen Z, Yin Y, Huang B, He G, Chen H. A facile solvothermal syntheses of NiFe layered double hydroxide-Bi 2MoO 6 heterostructure/reduced graphene oxide with efficient photodegradation for tetracycline. ENVIRONMENTAL RESEARCH 2022; 204:112037. [PMID: 34582802 DOI: 10.1016/j.envres.2021.112037] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 09/02/2021] [Accepted: 09/07/2021] [Indexed: 06/13/2023]
Abstract
A heterojunction of NiFe layered double hydroxide (NiFe LDH)-Bi2MoO6 (BMO) loaded on reduced graphene oxide (RGO) sheets was synthesized via an eco-friendly solvothermal reaction. The structural characterization shows that NiFe LDH-BMO heterojunctions are well-distributed on the surface of silk-like transparent RGO sheets. The modification of BMO by NiFe LDH and RGO greatly enhances the photocatalytic performance of BMO for degradation of tetracycline (TC) under visible light. The photocatalyst prepared with 3 wt% RGO shows the highest activity and cycle stability. TC can be completely removed in 80 min, which is about 8.7 times that pure BMO, and showing excellent reusability even after five cycles. The excellent enhancement of photocatalytic performance of NiFe LDH-BMO/RGO composite is attributed to the unique sheet-on-sheet hierarchical heterostructure combined with RGO sheets, facilitating the visible light absorption and photogenerated charge carriers separation.
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Affiliation(s)
- Mufan Sun
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China
| | - Zhongjing Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China
| | - Yixuan Yin
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China
| | - Bingji Huang
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China
| | - Guangyu He
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China.
| | - Haiqun Chen
- Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, Jiangsu Province, China.
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