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Abuduhelili A, Chen R, Sun J, Bu Y, Yin D, Li G, Meng X, Zeng J. Oxygen Vacancy-Enriched CoFe 2O 4 for Electrochemically Sensitive Detection of the Breast Cancer CD44 Biomarker. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:14583-14593. [PMID: 38967629 DOI: 10.1021/acs.langmuir.4c01496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Enhancing the selectivity of detection methods is essential to distinguish breast cancer biomarker cluster of differentiation 44 (CD44) from other species and reduce false-positive or false-negative results. Here, oxygen vacancy-enriched CoFe2O4 (CoFe2O4-x) was crafted, and its implementation as an electrochemical electrode for the detection of CD44 biomarkers has been scrutinized. This unique electrode material offers significant benefits and novel features that enhance the sensitivity and selectivity of the detection process. The oxygen vacancy density of CoFe2O4-x was tuned by adjusting the mass ratios of iron to cobalt precursors (iron-cobalt ratio) and changing annealing atmospheres. Electrochemical characterization reveals that, when the iron-cobalt ratio is 1:0.54 and the annealing atmosphere is nitrogen, the as-synthesized CoFe2O4-x electrode manifests the best electrochemical activity. The CoFe2O4-x electrode demonstrates high sensitivity (28.22 μA (ng mL)-1 cm-2), low detection limit (0.033 pg mL-1), and robust stability (for 11 days). Oxygen vacancies can not only enhance the conductivities of CoFe2O4 but also provide better adsorption of -NH2, which is beneficial for stability and electrochemical detection performance. The electrochemical detection signal can be amplified using CoFe2O4-x as a signal probe. Additionally, it is promising to know that the CoFe2O4-x electrode has shown good accuracy in real biological samples, including melanoma cell dilutions and breast cancer patient sera. The electrochemical detection results are comparable to ELISA results, which indicates that the CoFe2O4-x electrode can detect CD44 in complex biological samples. The utilization of CoFe2O4-x as the signal probe may expand the application of CoFe2O4-x in biosensing fields.
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Affiliation(s)
- Abudulitifujiang Abuduhelili
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
| | - Rongling Chen
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
| | - Jian Sun
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
| | - Yingchun Bu
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
| | - Dongfeng Yin
- Department of Pharmacy, General Hospital of Xinjiang Military Command, PLA, Urumqi, Xinjiang 830001, PR China
| | - Gairu Li
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
| | - Xiangtong Meng
- State Key Laboratory of Organic-Inorganic Composites, State Key Laboratory of Chemical Resource Engineering, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Jinfeng Zeng
- Xinjiang Key Laboratory of Natural Medicines Active Components and Drug Release Technology, College of Pharmacy, Xinjiang Medical University, No.567 Shangde North Road, Urumqi, Xinjiang 830001, PR China
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El-Monem HA, Mahanna H, El-Halwany M, Samy M. Photo-thermal activation of persulfate for the efficient degradation of synthetic and real industrial wastewaters: System optimization and cost estimation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24153-24162. [PMID: 38436857 DOI: 10.1007/s11356-024-32728-w] [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: 10/25/2023] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
The photo-thermal activation of persulfate (PS) was carried out to degrade various pollutants such as reactive blue-222 (RB-222) dye, sulfamethazine, and atrazine. Optimizing the operating parameters showed that using 0.90 g/L of PS at pH 7, temperature of 90 °C, initial dye concentration of 21.60 mg/L, and reaction time of 120 min could attain a removal efficiency of 99.30%. The degradation mechanism was explored indicating that hydroxyl and sulfate radicals were the prevailing reactive species. The degradation percentages of 10 mg/L of sulfamethazine and atrazine were 83.30% and 70.60%, respectively, whereas the mineralization ratio was 63.50% in the case of real textile wastewater under the optimal conditions at a reaction time of 120 min. The treatment cost per 1 m3 of real wastewater was appraised to be 1.13 $/m3 which assured the inexpensiveness of the proposed treatment system. This study presents an effective and low-cost treatment system that can be implemented on an industrial scale.
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Affiliation(s)
- Hany Abd El-Monem
- Environmental Engineering, Management and Technology, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt
| | - Hani Mahanna
- Public Works Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt.
| | - Mohamed El-Halwany
- Engineering Mathematics and Physics Department, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt
| | - Mahmoud Samy
- Public Works Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt
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Chen Q, Hu L, Shi Y, Liu C, Hou Y, Bi J, Yu JC, Wu L. Cu 2O/WO 3 S-scheme heterojunctions for photocatalytic degradation of levofloxacin based on coordination activation. CHEMOSPHERE 2024; 352:141446. [PMID: 38354866 DOI: 10.1016/j.chemosphere.2024.141446] [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: 12/08/2023] [Revised: 01/26/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
Heterogeneous photocatalytic degradation of antibiotic involves the activation of antibiotic molecules and the photocatalytic oxidation process. However, the simultaneous improvement of these processes is still a challenge. Herein, S-scheme heterojunctions consisted of Cu2O nanocluster with defective WO3 nanosheets were constructed for efficient photocatalytic degradation of levofloxacin (LVX). The typical CNS-5 composite (5 wt% Cu2O/WO3) achieves an optimal LVX degradation efficiency of 97.9% within 80 min. The spatial charge separation and enhancement of redox capacity were realized by the formation of S-scheme heterojunction between Cu2O and WO3. Moreover, their interfacial interaction would lead to the loss of lattice oxygen and the generation of W5+ sites. It is witnessed that the C-N of piperazine ring and CO of carboxylic acid in LVX are coordinated with W5+ sites to build the electronic bridge to activate LVX, greatly promoting the further degradation. This work highlights the important role of selective coordination activation cooperated with S-type heterojunctions for the photocatalytic degradation and offers a new view to understand the degradation of antibiotics at molecular level.
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Affiliation(s)
- Qi Chen
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Ling Hu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Yingzhang Shi
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; School of Chemistry and Chemical Engineering, Hainan University, Haikou, Hainan, 570228, China.
| | - Cheng Liu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Yidong Hou
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China
| | - Jinhong Bi
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; Department of Environmental Science and Engineering, Fuzhou University, Minhou, Fujian, 350108, China.
| | - Jimmy C Yu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China; Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China
| | - Ling Wu
- State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University, Fujian, 350116, Fuzhou, China.
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Nandy N, Pasupathi A, Subramaniam Y, Nachimuthu S. Eliminating ciprofloxacin antibiotic contamination from water with a novel submerged thermal plasma technology. CHEMOSPHERE 2023; 326:138470. [PMID: 36958495 DOI: 10.1016/j.chemosphere.2023.138470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/16/2023] [Accepted: 03/19/2023] [Indexed: 06/18/2023]
Abstract
Thermal plasma is successfully used to degrade the model pharmaceutical wastewater ciprofloxacin (CIP) under submerged operating conditions at atmospheric pressure. The model aqueous solution is prepared for two different concentrations (10 and 25 mg/L) and treated separately at 7 kW discharge power with two different plasma-forming gas compositions, Ar/Air and Ar/CO2. A direct current (DC) hollow cathode plasma torch produces a thermal plasma jet inside the solution. The effect of plasma gas compositions on the CIP degradation process is investigated, and the corresponding degradation and mineralisation efficiencies for different treatment times are systematically compared using high-performance liquid chromatography (HPLC) and total organic carbon (TOC) analysis, respectively. Submerged Ar/CO2 plasma shows higher degradation and mineralisation efficiency than the Ar/Air plasma. Energy yields of 74.32 mg/kWh and 176.98 mg/kWh are achieved for a 5-min treatment by Ar/CO2 submerged thermal plasma at concentrations of 10 mg/L and 25 mg/L, respectively. The degradation of CIP by submerged plasma shows a resemblance with first-order reaction kinetics having reaction rates 0.149 min-1 and 0.073 min-1 for Ar/CO2 and Ar/Air, respectively. Density Functional Theory (DFT) calculations are used to identify the various reactive sites on CIP, and the results are consistent with the formation of various intermediates detected through liquid chromatography-mass spectrometry (LC-MS) analysis. These findings suggest that reactive species formed through thermal and photochemical processes in submerged thermal plasma play a significant role in the degradation of CIP. This study also offers a possible way of using CO2 gas in wastewater treatment using submerged thermal plasma.
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Affiliation(s)
- Nanditta Nandy
- Applied Thermal Plasma Laboratory, Department of Physics, Pondicherry University, Puducherry, 605014, India
| | - Amarnath Pasupathi
- Applied Thermal Plasma Laboratory, Department of Physics, Pondicherry University, Puducherry, 605014, India
| | - Yugeswaran Subramaniam
- Applied Thermal Plasma Laboratory, Department of Physics, Pondicherry University, Puducherry, 605014, India.
| | - Santhanamoorthi Nachimuthu
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, 106, Taiwan
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Wang G, Cheng H. Application of Photocatalysis and Sonocatalysis for Treatment of Organic Dye Wastewater and the Synergistic Effect of Ultrasound and Light. Molecules 2023; 28:molecules28093706. [PMID: 37175115 PMCID: PMC10180204 DOI: 10.3390/molecules28093706] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/12/2023] [Accepted: 04/18/2023] [Indexed: 05/15/2023] Open
Abstract
Organic dyes play vital roles in the textile industry, while the discharge of organic dye wastewater in the production and utilization of dyes has caused significant damage to the aquatic ecosystem. This review aims to summarize the mechanisms of photocatalysis, sonocatalysis, and sonophotocatalysis in the treatment of organic dye wastewater and the recent advances in catalyst development, with a focus on the synergistic effect of ultrasound and light in the catalytic degradation of organic dyes. The performance of TiO2-based catalysts for organic dye degradation in photocatalytic, sonocatalytic, and sonophotocatalytic systems is compared. With significant synergistic effect of ultrasound and light, sonophotocatalysis generally performs much better than sonocatalysis or photocatalysis alone in pollutant degradation, yet it has a much higher energy requirement. Future research directions are proposed to expand the fundamental knowledge on the sonophotocatalysis process and to enhance its practical application in degrading organic dyes in wastewater.
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Affiliation(s)
- Guowei Wang
- MOE Key Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Hefa Cheng
- MOE Key Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
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Qian X, Ma Y, Arif M, Xia J, He G, Chen H. Construction of 2D/2D Bi4O5Br2/Bi2WO6 Z-scheme heterojunction for highly efficient photodegradation of ciprofloxacin under visible light. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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7
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Enhanced photocatalytic removal of antibiotics over graphitic carbon nitride induced by acetic acid post-treatment. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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8
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Yu H, Dai M, Zhang J, Chen W, Jin Q, Wang S, He Z. Interface Engineering in 2D/2D Heterogeneous Photocatalysts. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205767. [PMID: 36478659 DOI: 10.1002/smll.202205767] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/06/2022] [Indexed: 06/17/2023]
Abstract
Assembling different 2D nanomaterials into heterostructures with strong interfacial interactions presents a promising approach for novel artificial photocatalytic materials. Chemically implementing the 2D nanomaterials' construction/stacking modes to regulate different interfaces can extend their functionalities and achieve good performance. Herein, based on different fundamental principles and photochemical processes, multiple construction modes (e.g., face-to-face, edge-to-face, interface-to-face, edge-to-edge) are overviewed systematically with emphasis on the relationships between their interfacial characteristics (e.g., point, linear, planar), synthetic strategies (e.g., in situ growth, ex situ assembly), and enhanced applications to achieve precise regulation. Meanwhile, recent efforts for enhancing photocatalytic performances of 2D/2D heterostructures are summarized from the critical factors of enhancing visible light absorption, accelerating charge transfer/separation, and introducing novel active sites. Notably, the crucial roles of surface defects, cocatalysts, and surface modification for photocatalytic performance optimization of 2D/2D heterostructures are also discussed based on the synergistic effect of optimization engineering and heterogeneous interfaces. Finally, perspectives and challenges are proposed to emphasize future opportunities for expanding 2D/2D heterostructures for photocatalysis.
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Affiliation(s)
- Huijun Yu
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Meng Dai
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Jing Zhang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Wenhan Chen
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Qiu Jin
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Shuguang Wang
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Zuoli He
- Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
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9
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Tsai CK, Huang CH, Horng JJ, Ong HL, Doong RA. Enhanced Visible-Light-Responsive Photocatalytic Degradation of Ciprofloxacin by the Cu xO/Metal-Organic Framework Hybrid Nanocomposite. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:282. [PMID: 36678035 PMCID: PMC9864703 DOI: 10.3390/nano13020282] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 12/29/2022] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
Ciprofloxacin (CIP) is a commonly used antibiotic, however, once in the environment, it is highly toxic with a poor biodegradability. Given these attributes, an effective strategy for the removal of CIP is urgently needed for the protection of water resources. Herein, a novel copper metal-organic framework (CuxO/MOF) multifunctional material has been produced, in this work, by the calcination of Cu-MOF urea at 300 °C, in the presence of a 5% H2 atmosphere. The morphological, structural, and thermal properties of the prepared CuxO/MOF were determined through various techniques, and its photocatalytic behavior was investigated for the degradation of CIP under visible-light irradiation. The prepared CuxO/MOF bifunctional material is presented as a graphitic carbon-layered structure with a particle size of 9.2 ± 2.1 nm. The existence of CuO-Cu2O-C, which was found on the CuxO/MOF surface, enhanced the adsorption efficiency and increased the photosensitivity of CuxO/MOF, towards the degradation of CIP in aqueous solutions. The tailored CuxO/MOF, not only shows an excellent CIP degradation efficiency of up to 92% with a constant kinetic rate (kobs) of 0.048 min−1 under visible light, but it can also retain the stable photodegradation efficiency of >85%, for at least six cycles. In addition, CuxO/MOF has an excellent adsorption capacity at pH 6.0 of the maximum Langmuir adsorption capacity of 34.5 mg g−1 for CIP. The results obtained in this study demonstrate that CuxO/MOF is a reliable integrated material and serves as an adsorbent and photocatalyst, which can open a new pathway for the preparation of visible-light-responsive photocatalysts, for the removal of antibiotics and other emerging pollutants.
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Affiliation(s)
- Cheng-Kuo Tsai
- Department of Safety Health and Environmental Engineering, National Yunlin University of Science and Technology, Douliou 64002, Taiwan
- Emergency Response Information Center, National Yunlin University of Science and Technology, Douliou 64002, Taiwan
| | - Ching-Hsuan Huang
- Institute of Environmental Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Jao-Jia Horng
- Department of Safety Health and Environmental Engineering, National Yunlin University of Science and Technology, Douliou 64002, Taiwan
- Emergency Response Information Center, National Yunlin University of Science and Technology, Douliou 64002, Taiwan
| | - Hui Lin Ong
- Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis, Arau 02600, Malaysia
- Centre of Excellence for Biomass Utilization and Taiwan-Malaysia Innovation Centre for Clean Water and Sustainable Energy (WISE Centre), Universiti Malaysia Perlis (UniMAP), Jejawi 02600, Malaysia
| | - Ruey-An Doong
- Institute of Analytical and Environmental Sciences, National Tsing Hua University, Hsinchu 30013, Taiwan
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10
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Electrostatic self-assembly of 2D/2D Bi2WO6/ZnIn2S4 heterojunction with enhanced photocatalytic degradation of tetracycline hydrochloride. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123408] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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11
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Chen L, Su G, Wang C, Dang L, Wei H. S-scheme heterojunction BP/WO3 with tight interface firstly prepared in magnetic stirring reactor for enhanced photocatalytic degradation of hazardous contaminants under visible light. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120986] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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12
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Li J, Arif N, Lv T, Fang H, Hu X, Zeng YJ. Towards full‐spectrum photocatalysis: extending to the near infrared region. ChemCatChem 2022. [DOI: 10.1002/cctc.202200361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiaxuan Li
- Shenzhen University College of Physics and Optoelectronic Engineering Nanhai Avenue 3688 Shenzhen CHINA
| | - Nayab Arif
- Shenzhen University College of Physics and Optoelectronic Engineering Nanhai Avenue 3688 Shenzhen CHINA
| | - Tao Lv
- Shenzhen University College of Physics and Optoelectronic Engineering Nanhai Avenue 3688 Shenzhen CHINA
| | - Hui Fang
- Shenzhen University Institute of Microscale Optoelectronics Nanhai Avenue 3688 Shenzhen CHINA
| | - Xuejuan Hu
- Shenzhen Technology University Sino-German College of Intelligent Manufacturing CHINA
| | - Yu-Jia Zeng
- Shenzhen University College of Physics and Optoelectronic Engineering Nanhai Avenue 3688 518060 Shenzhen CHINA
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Sharma M, Kumar A, Krishnan V. Influence of oxygen vacancy defects on Aurivillius phase layered perovskite oxides of bismuth towards photocatalytic environmental remediation. NANOTECHNOLOGY 2022; 33:275702. [PMID: 35412470 DOI: 10.1088/1361-6528/ac6088] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 03/23/2022] [Indexed: 06/14/2023]
Abstract
The low light absorption and rapid recombination of photogenerated charge carriers are primary contributors to the low activity of various photocatalysts. Fabrication of oxygen vacancy defect-rich materials for improved photocatalytic activities has been attracting tremendous attention from researchers all over the world. In this work, we have compared the photocatalytic activities of oxygen vacancy-rich Bi2MoO6(BMO-OV) and Bi2WO6(BWO-OV) for the degradation of a model pharmaceutical pollutant, ciprofloxacin under visible light irradiation. The photocatalytic activity was increased from 47% to 77% and 40% to-67% for BMO-OVand BWO-OV, respectively in comparison to pristine oxides. This enhancement can be ascribed to suppressed charge carrier recombination and increased surface active sites. In addition, scavenger studies have been done to explain the role of photoinduced charge carriers in the degradation mechanism. Moreover, oxygen vacancy-rich photocatalysts have remained stable even after three consecutive cycles, making them promising materials for practical applications. Overall, this work provides deeper insight into the design and development of oxygen vacancy-rich materials.
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Affiliation(s)
- Manisha Sharma
- School of Basic Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Ashish Kumar
- School of Basic Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Venkata Krishnan
- School of Basic Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
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14
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Visible-light-active 1D Ag-CoWO4/CdWO4 plasmonic photocatalysts boosting levofloxacin conversion. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104267] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Sudhaik A, Parwaz Khan AA, Raizada P, Nguyen VH, Van Le Q, Asiri AM, Singh P. Strategies based review on near-infrared light-driven bismuth nanocomposites for environmental pollutants degradation. CHEMOSPHERE 2022; 291:132781. [PMID: 34748802 DOI: 10.1016/j.chemosphere.2021.132781] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/23/2021] [Accepted: 11/02/2021] [Indexed: 06/13/2023]
Abstract
Recently, solar energy has been considered the most vulnerable source to resolve environmental pollution and energy scarcity problems. Researchers have made intense research efforts to convert solar energy into chemical energy through photocatalysis processes as it is a green, clean and renewable energy source. Numerous discovered photocatalysts show absorption in the ultraviolet-visible (UV∼5% and visible ∼43%) region and are devoid of near-infrared (NIR ∼52%) light utilization. As infrared (IR) light contains a top portion of the solar spectrum; therefore, many alluring and attractive practical strategies have been explored to improve photocatalytic reactions and to harness full solar spectrum (including NIR light). Among those strategies, bandgap engineering, coupling with carbon quantum dots, heterostructure formation, mingling with plasmonic and upconversion (UC) NPs are more worthwhile. In different visible light-assisted photocatalysts, bismuth typically covers a distinctive, favorable, and earth-abundant group of freshly discovered innovative photocatalytic nanomaterials. Bi-based photocatalysts have suitable/good optoelectronic properties, crystalline geometric conformations, amendable electronic structure, and outstanding visible-light responsive range, helpful in environmental remediation and energy transformation. Due to the outstanding photo-oxidization/photodegradation capability of NIR-driven photocatalysts, bismuth-based nanomaterials have been considered suitable photocatalysts for inclusive solar energy utilization. Henceforth, keeping in mind the benefits of bismuth nanomaterials, the present review is focused on NIR-based modification strategies to upgrade solar light absorption of bismuth-based photocatalysts in the NIR region by making it NIR responsive photocatalyst. We have also discussed the photocatalytic applications of bismuth-based NIR responsive photocatalysts in pollutant degradation.
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Affiliation(s)
- Anita Sudhaik
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, 173229, India
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, 173229, India
| | - Van-Huy Nguyen
- Faculty of Biotechnology, Binh Duong University, Thu Dau Mot, Viet Nam.
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, South Korea
| | - Abdullah M Asiri
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Faculty of Basic Sciences, Shoolini University, Solan, 173229, India.
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Senasu T, Chankhanittha T, Hemavibool K, Nanan S. Solvothermal synthesis of BiOBr photocatalyst with an assistant of PVP for visible-light-driven photocatalytic degradation of fluoroquinolone antibiotics. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.04.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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17
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Zhao NN, Zhang Y, Liu MQ, Peng Y, Liu JY. 2D–2D WO 3–Bi 2WO 6 photocatalyst with an S-scheme heterojunction for highly efficient Cr( vi) reduction. CrystEngComm 2022. [DOI: 10.1039/d2ce01024k] [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
WO3–Bi2WO6 heterostructures display outstanding photo-reduction ability for high concentration of Cr(vi) due to the formation of 2D–2D junctions and the S-scheme transfer behavior of photogenerated e–h pairs.
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Affiliation(s)
- Nan-Nan Zhao
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
| | - Yi Zhang
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
| | - Meng-Qi Liu
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
| | - Yin Peng
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
| | - Jin-Yun Liu
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
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18
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Orimolade BO, Idris AO, Feleni U, Mamba B. Recent advances in degradation of pharmaceuticals using Bi 2WO 6 mediated photocatalysis - A comprehensive review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 289:117891. [PMID: 34364116 DOI: 10.1016/j.envpol.2021.117891] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/27/2021] [Accepted: 07/30/2021] [Indexed: 05/27/2023]
Abstract
The pollution of water bodies by residual pharmaceuticals is a major problem globally. Bismuth tungstate mediated photocatalysis has been effective in the removal of these organics from water. Bismuth tungstate (Bi2WO6) has proven to be an excellent visible light active photocatalyst because of its non-toxicity, low band gap energy and ease of preparation. It has been widely applied for the removal of a wide array of organic pollutants, particularly dyes, from wastewater. However, recently, much attention has been channelled to its application for the degradation of pharmaceuticals. In this present review, the recent trends in the applications of Bi2WO6 based photocatalysts for the removal of pharmaceuticals in wastewater are comprehensively discussed. The fabrication of Bi2WO6 based photocatalysts with enhanced photocatalytic performances through morphology control, doping and formation of heterojunctions are highlighted. Much discussion centres on the mechanisms and possible degradation pathways of antibiotic pharmaceuticals in wastewater. Finally, areas needing more attention and investigation on the use of Bi2WO6 based photocatalysts for removal of pharmaceuticals from wastewater especially towards real-life applications are presented for future research directions.
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Affiliation(s)
- Benjamin O Orimolade
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709, Johannesburg, South Africa.
| | - Azeez Olayiwola Idris
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709, Johannesburg, South Africa
| | - Usisipho Feleni
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709, Johannesburg, South Africa
| | - Bhekie Mamba
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709, Johannesburg, South Africa
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2D/2D Heterojunction systems for the removal of organic pollutants: A review. Adv Colloid Interface Sci 2021; 297:102540. [PMID: 34634576 DOI: 10.1016/j.cis.2021.102540] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 10/01/2021] [Accepted: 10/03/2021] [Indexed: 12/21/2022]
Abstract
Photocatalysis is considered to be an effective way to remove organic pollutants, but the key to photocatalysis is finding a high-efficiency and stable photocatalyst. 2D materials-based heterojunction has aroused widespread concerns in photocatalysis because of its merits in more active sites, adjustable band gaps and shorter charge transfer distance. Among various 2D heterojunction systems, 2D/2D heterojunction with a face-to-face contact interface is regarded as a highly promising photocatalyst. Due to the strong coupling interface in 2D/2D heterojunction, the separation and migration of photoexcited electron-hole pairs are facilitated, which enhances the photocatalytic performance. Thus, the design of 2D/2D heterojunction can become a potential model for expanding the application of photocatalysis in the removal of organic pollutants. Herein, in this review, we first summarize the fundamental principles, classification, and strategies for elevating photocatalytic performance. Then, the synthesis and application of the 2D/2D heterojunction system for the removal of organic pollutants are discussed. Finally, the challenges and perspectives in 2D/2D heterojunction photocatalysts and their application for removing organic pollutants are presented.
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20
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Song J, Zhang Z, Zhi S, Niu B, Dong H, Wu D, Jiang K. Oxygen-vacancy-rich BiOCl with 3D network structure for enhanced photocatalytic CO2 reduction and antibiotic degradation. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.08.044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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21
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Novak TG, Kim J, DeSario PA, Jeon S. Synthesis and applications of WO 3 nanosheets: the importance of phase, stoichiometry, and aspect ratio. NANOSCALE ADVANCES 2021; 3:5166-5182. [PMID: 36132624 PMCID: PMC9419828 DOI: 10.1039/d1na00384d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Accepted: 08/05/2021] [Indexed: 06/15/2023]
Abstract
Tungsten trioxide (WO3) is an abundant, versatile oxide that is widely explored for catalysis, sensing, electrochromic devices, and numerous other applications. The exploitation of WO3 in nanosheet form provides potential advantages in many of these fields because the 2D structures have high surface area and preferentially exposed facets. Relative to bulk WO3, nanosheets expose more active sites for surface-sensitive sensing/catalytic reactions, and improve reaction kinetics in cases where ionic diffusion is a limiting factor (e.g. electrochromic or charge storage). Synthesis of high aspect ratio WO3 nanosheets, however, is more challenging than other 2D materials because bulk WO3 is not an intrinsically layered material, making the widely-studied sonication-based exfoliation methods used for other 2D materials not well-suited to WO3. WO3 is also highly complex in terms of how the synthesis method affects the properties of the final material. Depending on the route used and subsequent post-synthesis treatments, a wide variety of different morphologies, phases, exposed facets, and defect structures are created, all of which must be carefully considered for the chosen application. In this review, the recent developments in WO3 nanosheet synthesis and their impact on performance in various applications are summarized and critically analyzed.
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Affiliation(s)
- Travis G Novak
- NRC Postdoctoral Associate, US Naval Research Laboratory Washington D.C. 20375 USA
| | - Jin Kim
- Thin Film Materials Research Center, Korea Research Institute of Chemical Technology Daejeon 34114 Republic of Korea
| | - Paul A DeSario
- Chemistry Division (Code 6100), U.S. Naval Research Laboratory Washington D.C. 20375 USA
| | - Seokwoo Jeon
- Department of Materials Science and Engineering, KAIST Institute for the Nanocentury, Advanced Battery Center, KAIST Daejeon 34141 Republic of Korea
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22
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Qin K, Zhao Q, Yu H, Xia X, Li J, He S, Wei L, An T. A review of bismuth-based photocatalysts for antibiotic degradation: Insight into the photocatalytic degradation performance, pathways and relevant mechanisms. ENVIRONMENTAL RESEARCH 2021; 199:111360. [PMID: 34022231 DOI: 10.1016/j.envres.2021.111360] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 05/06/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
The intensive production and utilization of antibiotics worldwide has inevitably led to releases of very large amounts of these medicines into the environment, and numerous strategies have recently been developed to eliminate antibiotic pollution. Therefore, bismuth-based photocatalysts have attracted much attention due to their high adsorption of visible light and low production cost. This review summarizes the performance, degradation pathways and relevant mechanisms of typical antibiotics during bismuth-based photocatalytic degradation. First, the band gap and redox ability of the bismuth-based catalysts and modified materials (such as morphology, structure mediation, heterojunction construction and element doping) were compared and evaluated. Second, the performance and potential mechanisms of bismuth oxides, bismuth sulfides, bismuth oxyhalides and bismuth-based metal oxides for antibiotic removal were investigated. Third, we analysed the effect of co-existing interfering substances in a real water matrix on the photocatalytic ability, as well as the coupling processes for degradation enhancement. In the last section, current difficulties and future perspectives on photocatalytic degradation for antibiotic elimination by bismuth-based catalysts are summarized. Generally, modified bismuth-based compounds showed better performance than single-component photocatalysts during photocatalytic degradation for most antibiotics, in which h+ played a predominant role among all the related reactive oxygen species. Moreover, the crystal structures and morphologies of bismuth-based catalysts seriously affected their practical efficiencies.
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Affiliation(s)
- Kena Qin
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Qingliang Zhao
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Hang Yu
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Xinhui Xia
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Jianju Li
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Shufei He
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Liangliang Wei
- State Key Laboratory of Urban Water Resources and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin, 150090, China.
| | - Taicheng An
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Key Laboratory of City Cluster Environmental Safety and Green Development, School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
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23
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Song R, Chen N, Han B, Yu S, Wang Y, Liu K, Tong Z, Zhang H. Microwave hydrothermal fabrication of 3D hierarchical Br/Bi 2WO 6 with enhanced photocatalytic activity for Rhodamine B and tetracycline degradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36434-36452. [PMID: 33751384 DOI: 10.1007/s11356-021-13289-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Basing on the unique advantages of uniform and rapid volumetric heating of microwave irradiation, microwave hydrothermal method has been used to fabricate Br/Bi2WO6 for streamlining the preparation procedure and enhancing the photocatalytic activity. The results indicated that Br was successfully introduced into the lattice of Bi2WO6, which improved the absorption ability of visible light. Moreover, Br/Bi2WO6 exhibited smaller size and the enhanced separation efficiency of photogenerated carriers as compared with Bi2WO6. Br/Bi2WO6 exhibited superior reusability and photocatalytic activity of Rhodamine B (RhB) and tetracycline (TC). Furthermore, the enhanced photocatalytic activity of Br/Bi2WO6 was mainly ascribed to the increased specific surface area, wide UV-vis light absorption range, and high separation efficiency of photogenerated charge carriers originating from Br doping and microwave heating.
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Affiliation(s)
- Rongrong Song
- College of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Ninghua Chen
- Scientific Research Academy of Guangxi Environmental Protection, Nanning, 530022, China
| | - Biao Han
- Scientific Research Academy of Guangxi Environmental Protection, Nanning, 530022, China
| | - Sishan Yu
- College of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Yue Wang
- College of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China
| | - Kun Liu
- Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Zhangfa Tong
- Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Hanbing Zhang
- College of Resources, Environment and Materials, Guangxi University, Nanning, 530004, China.
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24
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Bao L, Yuan YJ, Zhang H, Zhang X, Xu G. Understanding the hierarchical behavior of Bi 2WO 6 with enhanced photocatalytic nitrogen fixation activity. Dalton Trans 2021; 50:7427-7432. [PMID: 33969862 DOI: 10.1039/d1dt00762a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hierarchical Bi2WO6 nanostructures self-assembled with planar arranged nanosheets and dispersed Bi2WO6 nanosheets were synthesized with different dosages of EG via a simple hydrothermal route. The Bi2WO6 photocatalysts were analyzed by X-ray diffraction (XRD), transmission electron microscopy (TEM), UV-vis diffuse reflectance spectroscopy (DRS) and X-ray photoelectron spectroscopy (XPS). A control experiment was conducted to test the effect of EG dosage on the growth mechanism and behavior of the highly (010) exposed hierarchical lamellar nanostructures and dispersed nanosheets. The photocatalytic nitrogen fixation rate of the hierarchical Bi2WO6 nanostructures was estimated to be 948 μmol g-1 h-1 across the full spectrum, which was 23% higher than that of the dispersed nanosheets (770 μmol g-1 h-1) due to chemisorption on the hierarchical structures and enhanced surface oxygen vacancies (OVs).
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Affiliation(s)
- Liang Bao
- College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hang Zhou 310018, China. and State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.
| | - Yong-Jun Yuan
- College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hang Zhou 310018, China.
| | - Huaiwei Zhang
- College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hang Zhou 310018, China.
| | - Xuefeng Zhang
- College of Materials & Environmental Engineering, Hangzhou Dianzi University, Hang Zhou 310018, China.
| | - Gang Xu
- State Key Laboratory of Silicon Materials and Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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25
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Xu F, Lai C, Zhang M, Li B, Liu S, Chen M, Li L, Xu Y, Qin L, Fu Y, Liu X, Yi H, Yang X. Facile one-pot synthesis of carbon self-doped graphitic carbon nitride loaded with ultra-low ceric dioxide for high-efficiency environmental photocatalysis: Organic pollutants degradation and hexavalent chromium reduction. J Colloid Interface Sci 2021; 601:196-208. [PMID: 34077842 DOI: 10.1016/j.jcis.2021.05.124] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/06/2021] [Accepted: 05/21/2021] [Indexed: 01/19/2023]
Abstract
In the present study, an innovative carbon self-doped g-C3N4 (CCN) loaded with ultra-low CeO2 (0.067-0.74 wt%) composite photocatalyst is successfully synthesized via a facile one-pot hydrothermal and calcination method. The CeO2/CCN exhibits superior photocatalytic performance for tetracycline degradation (78.9% within 60 min), H2O2 production (151.92 μmol L-1 within 60 min), and Cr(VI) reduction (99.5% within 40 min), which much higher than that of g-C3N4, CCN, CeO2, and CeO2/g-C3N4. The enhanced photocatalytic performance is originated from the fact that the doping of C can efficaciously broaden the utilization range of solar light and improve the reduction ability of photogenerated electrons. Meanwhile, the ultra-low loading of CeO2 can effectually promote the migration of photogenerated electrons and enhance the specific surface area. Besides, the experiments of pH effect and cycle ability indicate that CeO2/CCN has excellent durability and stability. Finally, the photocatalytic mechanism of CeO2/CCN is systematically discussed. This work proves that combining element doping and semiconductor coupling is a promising strategy to design high-efficiency g-C3N4-based photocatalysts.
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Affiliation(s)
- Fuhang Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Cui Lai
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China.
| | - Mingming Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Bisheng Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Shiyu Liu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Ming Chen
- Key Laboratory of Reservoir Aquatic Environment, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
| | - Ling Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Yang Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Lei Qin
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Yukui Fu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Xigui Liu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Huan Yi
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
| | - Xiaofeng Yang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, Hunan, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, Hunan, PR China
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26
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Rong F, Lu Q, Mai H, Chen D, Caruso RA. Hierarchically Porous WO 3/CdWO 4 Fiber-in-Tube Nanostructures Featuring Readily Accessible Active Sites and Enhanced Photocatalytic Effectiveness for Antibiotic Degradation in Water. ACS APPLIED MATERIALS & INTERFACES 2021; 13:21138-21148. [PMID: 33908249 DOI: 10.1021/acsami.0c22825] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The intentional design and construction of photocatalysts containing heterojunctions with readily accessible active sites will improve their ability to degrade pollutants. Herein, hierarchically porous WO3/CdWO4 fiber-in-tube nanostructures with three accessible surfaces (surface of core fiber and inner and outer surfaces of the porous tube shell) were fabricated by an electrospinning method. This WO3/CdWO4 heterostructure, assembled by interconnected nanoparticles, displays good photocatalytic degradation of ciprofloxacin (CIP, 93.4%) and tetracycline (TC, 81.6%) after 90 min of simulated sunlight irradiation, much higher than the pristine WO3 (<75.3% for CIP and <53.6% for TC) or CdWO4 materials (<58.9% for CIP and <39.5% for TC). The WO3/CdWO4 fiber-in-tube promotes the separation of photoinduced electrons and holes and also provides readily accessible reaction sites for photocatalytic degradation. The dominant active species determined by trapping active species and electron paramagnetic resonance were hydroxyl radicals followed by photogenerated holes and superoxide anions. The WO3/CdWO4 materials formed a Z-scheme heterojunction that generated superoxide anion and hydroxyl radicals, leading to degradation of antibiotics (CIP and TC) via photocatalysis in aqueous solution.
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Affiliation(s)
- Feng Rong
- School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Qifang Lu
- School of Material Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Haoxin Mai
- Applied Chemistry and Environmental Science, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - Dehong Chen
- Applied Chemistry and Environmental Science, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - Rachel A Caruso
- Applied Chemistry and Environmental Science, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
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27
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Lai C, Xu F, Zhang M, Li B, Liu S, Yi H, Li L, Qin L, Liu X, Fu Y, An N, Yang H, Huo X, Yang X, Yan H. Facile synthesis of CeO2/carbonate doped Bi2O2CO3 Z-scheme heterojunction for improved visible-light photocatalytic performance: Photodegradation of tetracycline and photocatalytic mechanism. J Colloid Interface Sci 2021; 588:283-294. [DOI: 10.1016/j.jcis.2020.12.073] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/23/2020] [Accepted: 12/19/2020] [Indexed: 01/01/2023]
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28
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Yang Y, Tan H, Cheng B, Fan J, Yu J, Ho W. Near-Infrared-Responsive Photocatalysts. SMALL METHODS 2021; 5:e2001042. [PMID: 34927853 DOI: 10.1002/smtd.202001042] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 12/22/2020] [Indexed: 06/14/2023]
Abstract
Broadening the absorption of light to the near-infrared (NIR) region is important in photocatalysis to achieve efficient solar-to-fuel conversion. NIR-responsive photocatalysts that can utilize diffusive solar energy are attractive for alleviating the energy crisis and environmental pollution. Over the past few years, considerable progress on the component and structural design of NIR-responsive photocatalysts have been reported. This study aims to systematically summarize recent progress toward the material design and mechanism optimization of NIR-responsive photocatalysts in this area. Depending on the main strategies for harvesting NIR photons, NIR-responsive photocatalysts can be categorized as direct NIR-light photocatalysts, indirect NIR-light photocatalysts, and photothermal photocatalysts. Furthermore, the construction and application of different NIR-responsive photocatalytic systems are summarized. Conclusions and perspectives are presented to further explore the potential of NIR-responsive photocatalysts in this field.
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Affiliation(s)
- Yi Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan, 528200, P. R. China
| | - Haiyan Tan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Bei Cheng
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
| | - Jiajie Fan
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan, 528200, P. R. China
| | - Wingkei Ho
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong, 999077, P. R. China
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29
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Gao X, Niu J, Wang Y, Ji Y, Zhang Y. Solar photocatalytic abatement of tetracycline over phosphate oxoanion decorated Bi 2WO 6/polyimide composites. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123860. [PMID: 33264935 DOI: 10.1016/j.jhazmat.2020.123860] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/07/2020] [Accepted: 08/27/2020] [Indexed: 06/12/2023]
Abstract
Environmental-friendly solar photocatalytic technology is attracting great attention in the field of pollution control. In this work, novel PO43--Bi2WO6/PI photocatalyst achieved high degradation efficiency for tetracycline degradation in simulated solar light (1.6 times kinetic constants of Bi2WO6). The photocatalyst could produce more oxygen vacancies as well as more active species O2- and OH, and exhibited high mineralization ability, good stability and recyclability simultaneously. After 4 cycles of degradation experiments, its degradation efficiency was only reduced by 8.6 %. Tetracycline molecules gradually became small molecules under the attack of active species. The tetracycline degradation was highly pH-dependent and enhanced with the increase of solution pH. The water quality parameters humic acid and Cl- presented the inhibitory effect, while HCO3- can accelerate the tetracycline degradation. The degradation of tetracycline by PO43--Bi2WO6/PI conformed to the Z-scheme photocatalysis mechanism, which could effectively broaden the absorption of solar light, improve the separation and transfer of photogenerated electron-hole pairs and extend the lifespan of the photocatalyst.
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Affiliation(s)
- Xin Gao
- School of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Jing Niu
- School of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Yifei Wang
- School of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Yun Ji
- School of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, South China Normal University, Guangzhou 510006, China
| | - Yanlin Zhang
- School of Environment, South China Normal University, Guangzhou 510006, China; Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & Key Laboratory of Theoretical Chemistry of Environment Ministry of Education, South China Normal University, Guangzhou 510006, China; Guangdong Jiarong Environmental Protection & New Energy Co., Guangzhou 510725, China.
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30
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Mallikarjuna K, Kim H. Bandgap-tuned ultra-small SnO 2-nanoparticle-decorated 2D-Bi 2WO 6 nanoplates for visible-light-driven photocatalytic applications. CHEMOSPHERE 2021; 263:128185. [PMID: 33297152 DOI: 10.1016/j.chemosphere.2020.128185] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 08/22/2020] [Accepted: 08/26/2020] [Indexed: 06/12/2023]
Abstract
With the rapid rate of industrialization, the emission of effluents represents a serious threat to aquatic living organisms and the environment. Semiconductor-mediated photocatalysis has been highlighted as the most attractive technology for the elimination of pollutants. In this connection, bandgap-tuned ultra-small SnO2-nanoparticle-decorated 2D-Bi2WO6 nanoplates were prepared via the hydrothermal method. The tuning of the bandgap was altered by the thermal annealing procedure. Moreover, we investigated the influence of different bandgaps of SnO2 on the anchoring of the 2D-Bi2WO6 nanoplates and studied their photocatalytic activity through the degradation of Rhodamine B under visible light irradiation. The ultra-small SnO2 nanoparticles were highly anchored on the surface of the 2D-Bi2WO6 plates, which resulted in more photon harvesting, improved charge separation, the transfer of photoinduced charge carriers, and the alteration of band positions towards the visible region of light. Furthermore, the anchored SnO2 nanoparticles improved the performance of the photocatalytic activity of 2D-Bi2WO6 nanoplates by more than 2.7 times.
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Affiliation(s)
- K Mallikarjuna
- School of Materials Science and Engineering, Yeungnum University, Gyeongsan, 38541, Republic of Korea
| | - Haekyoung Kim
- School of Materials Science and Engineering, Yeungnum University, Gyeongsan, 38541, Republic of Korea.
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31
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Zhu Z, Wan S, Zhao Y, Qin Y, Ge X, Zhong Q, Bu Y. Recent progress in Bi
2
WO
6
‐Based photocatalysts for clean energy and environmental remediation: Competitiveness, challenges, and future perspectives. NANO SELECT 2020. [DOI: 10.1002/nano.202000127] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Zheng Zhu
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET) Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC) UNIST‐NUIST Research Center of Environment and Energy (UNNU) School of Environmental Science and Technology Nanjing University of Information Science and Technology (NUIST) Nanjing P.R. China
| | - Shipeng Wan
- School of Chemical and Engineering Nanjing University of Science and Technology Nanjing P.R. China
| | - Yunxia Zhao
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET) Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC) UNIST‐NUIST Research Center of Environment and Energy (UNNU) School of Environmental Science and Technology Nanjing University of Information Science and Technology (NUIST) Nanjing P.R. China
| | - Yong Qin
- Jiangsu Key Laboratory of Advanced Materials and Technology School of Petrochemical Engineering Changzhou University Changzhou Jiangsu P.R. China
| | - Xinlei Ge
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET) Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC) UNIST‐NUIST Research Center of Environment and Energy (UNNU) School of Environmental Science and Technology Nanjing University of Information Science and Technology (NUIST) Nanjing P.R. China
| | - Qin Zhong
- School of Chemical and Engineering Nanjing University of Science and Technology Nanjing P.R. China
| | - Yunfei Bu
- Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CICAEET) Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC) UNIST‐NUIST Research Center of Environment and Energy (UNNU) School of Environmental Science and Technology Nanjing University of Information Science and Technology (NUIST) Nanjing P.R. China
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32
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Guan G, Ye E, You M, Li Z. Hybridized 2D Nanomaterials Toward Highly Efficient Photocatalysis for Degrading Pollutants: Current Status and Future Perspectives. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1907087. [PMID: 32301226 DOI: 10.1002/smll.201907087] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 06/11/2023]
Abstract
Organic pollutants including industrial dyes and chemicals and agricultural waste have become a major environmental issue in recent years. As an alternative to simple adsorption, photocatalytic decontamination is an efficient and energy-saving technology to eliminate these pollutants from water environment, utilizing the energy of external light, and unique function of photocatalysts. Having a large specific surface area, numerous active sites, and varied band structures, 2D nanosheets have exhibited promising applications as an efficient photocatalyst for degrading organic pollutants, particularly hybridization with other functional components. The novel hybridization of 2D nanomaterials with various functional species is summarized systematically with emphasis on their enhanced photocatalytic activities and outstanding performances in environmental remediation. First, the mechanism of photocatalytic degradation is given for discussing the advantages/shortcomings of regular 2D materials and identifying the importance of constructing hybrid 2D photocatalysts. An overview of several types of intensively investigated 2D nanomaterials (i.e., graphene, g-C3 N4 , MoS2 , WO3 , Bi2 O3 , and BiOX) is then given to indicate their hybridized methodologies, synergistic effect, and improved applications in decontamination of organic dyes and other pollutants. Finally, future research directions are rationally suggested based on the current challenges.
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Affiliation(s)
- Guijian Guan
- Institute of Molecular Plus, Tianjin University, Tianjin, 300072, P. R. China
| | - Enyi Ye
- Institute of Materials Research and Engineering, A*STAR, 2 Fusionopolis Way, Singapore, 138634, Singapore
| | - Mingliang You
- Hangzhou Cancer Institute, Affiliated Hangzhou Cancer Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, P. R. China
| | - Zibiao Li
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, P. R. China
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33
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Huang Y, Kou S, Zhang X, Wang L, Lu P, Zhang D. Facile Fabrication of Z-Scheme Bi 2WO 6/WO 3 Composites for Efficient Photodegradation of Bisphenol A with Peroxymonosulfate Activation. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E724. [PMID: 32290526 PMCID: PMC7221527 DOI: 10.3390/nano10040724] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 12/13/2022]
Abstract
The rational fabrication of direct Z-scheme heterostructures photocatalysts is a pivotal strategy to boost the interfacial charge migration and separation. Herein, direct Z-scheme Bi2WO6/WO3 composites were rationally fabricated for the degradation of bisphenol A combined with the activation of peroxymonosulfate (PMS). The tight interface contact between Bi2WO6 and WO3 was successfully formed by the in situ epitaxial growth of ultrathin Bi2WO6 nanosheets at the surface of WO3 nanorods. The Bi2WO6/WO3 composite presented highly efficient catalytic performance toward degradation of BPA with PMS activation as compared to the WO3 and Bi2WO6. PMS can dramatically boost the photocatalytic activity of the composites. Moreover, the results of active radical scavenging experiments revealed that h+, •O2-, and •SO4- are critical active species in the photodegradation reaction. Finally, the photocatalytic mechanism for the degradation of BPA is also discussed in detail. The great improvement of photocatalytic performance should be ascribed to the effective formation of the direct Z-scheme heterojunctions between Bi2WO6 and WO3, resulting in improved light absorption, an efficient transfer and separation of photoinduced charge carriers, and a considerable amount of the electrons and holes with strong reduction and oxidation abilities. The study might provide new inspirations to design and construct heterostructured nanomaterials with outstanding photoactivity for environmental remediation.
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Affiliation(s)
| | | | | | | | | | - Daijun Zhang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, College of Environment and Ecology, Chongqing University, Chongqing 400044, China; (Y.H.); (S.K.); (X.Z.); (L.W.); (P.L.)
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34
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Anchoring single-unit-cell defect-rich bismuth molybdate layers on ultrathin carbon nitride nanosheet with boosted charge transfer for efficient photocatalytic ciprofloxacin degradation. J Colloid Interface Sci 2020; 560:701-713. [DOI: 10.1016/j.jcis.2019.10.116] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/23/2019] [Accepted: 10/31/2019] [Indexed: 12/23/2022]
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35
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Lan L, Liu F, Dan Y, Jiang L. Facile fabrication of triphenylamine-based conjugated porous polymers and their application in organic degradation under visible light. NEW J CHEM 2020. [DOI: 10.1039/c9nj05500b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile fabrication method was developed for the one-pot synthesis of 1,3,5-triformylbenzene (TFB)-4,4′4′′-triaminotriphenylamine (TPA) and 1,3,5-triformylbenzene-terephthalaldehyde (TA) under ambient conditions via a Schiff-base reaction.
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Affiliation(s)
- Lidan Lan
- State Key Laboratory of Polymer Materials Engineering of China (Sichuan University)
- Polymer Research Institute of Sichuan University
- Chengdu 610065
- China
| | - Fei Liu
- State Key Laboratory of Polymer Materials Engineering of China (Sichuan University)
- Polymer Research Institute of Sichuan University
- Chengdu 610065
- China
| | - Yi Dan
- State Key Laboratory of Polymer Materials Engineering of China (Sichuan University)
- Polymer Research Institute of Sichuan University
- Chengdu 610065
- China
| | - Long Jiang
- State Key Laboratory of Polymer Materials Engineering of China (Sichuan University)
- Polymer Research Institute of Sichuan University
- Chengdu 610065
- China
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