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Liu J, Wang R, Shang Y, Zou X, Wu S, Zhong Q. Decorating of 2D indium oxide onto 2D bismuth oxybromide to enhance internal electric field and stimulate artificial photosynthesis. J Colloid Interface Sci 2024; 663:21-30. [PMID: 38387183 DOI: 10.1016/j.jcis.2024.01.172] [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: 12/05/2023] [Revised: 01/17/2024] [Accepted: 01/24/2024] [Indexed: 02/24/2024]
Abstract
CO2 photocatalytic reduction is an excellent strategy for promoting solar-to-chemical energy conversion and alleviating the severe environmental crisis. In this study, 2D indium oxide (IO) is decorated on 2D bismuth oxybromide (BOB) nanosheets to gain BOB/IO (BxIy) heterojunction. The optimal B3I1 composite affords a CO production rate of 54.2 μmol⋅g-1, about 2.2 times and 11.3 times higher than those of the pristine BOB and IO, respectively. The introduction of IO significantly enhances the internal electric field (IEF), leading to accelerated charge transfer and prolonged lifetime of the photogenerated carriers. In the BxIy composite, the BOB and IO serve as the electron acceptor and donor, respectively, facilitating the reduction of CO2 and oxidation of H2O. In-situ DRIFTs spectra are used to confirm the catalytic active sites and provide insights into the mechanism of CO2 photoreduction. The results suggest *COOH and *CO2- species played a crucial role in the formation of CO. This work presents a valuable perspective on understanding the charge transfer route and developing highly efficient photocatalysts for CO2 photoreduction.
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Affiliation(s)
- Jingjing Liu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Ruonan Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China.
| | - Yutong Shang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Xinyu Zou
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Shanwen Wu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China
| | - Qin Zhong
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, PR China.
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2
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Xie M, Liu C, Liang M, Rad S, Xu Z, You S, Wang D. A review of the degradation of antibiotic contaminants using advanced oxidation processes: modification and application of layered double hydroxides based materials. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:18362-18378. [PMID: 38353817 DOI: 10.1007/s11356-024-32059-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 01/15/2024] [Indexed: 03/09/2024]
Abstract
In recent years, the treatment of organic pollutants has become a global concern due to the threat to human health posed by emerging contaminants, especially antibiotic contamination. Advanced oxidation processes (AOPs) can solve the organic pollution problem well, which have been identified as a promising solution for the treatment of hard-to-handle organic compounds including antibiotic contaminants. Layered double hydroxides (LDHs) are excellent catalysts because of their flexible tunability, favorable thermal stability, abundant active sites, and facile exchangeability of intercalated anions. This paper conducted a systematic review of LDHs-based materials used for common antibiotic removal by three significant AOP technologies, such as photocatalysis, the Fenton-like processes, and peroxymonosulfate catalysis. The degradation effects studied in various studies were reviewed, and the mechanisms were discussed in detail based on the type of AOPs. Finally, the challenges and the application trends of AOPs that may arise were prospected. The aim of this study is to suggest ways to provide practical guidance for the screening and improvement of LDH materials and the rational selection of AOPs to achieve efficient antibiotic degradation. This could lead to the development of more efficient and environmentally friendly materials and processes for degrading antibiotics, with significant implications for our ecological conservation by addressing water pollution.
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Affiliation(s)
- Mingqi Xie
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Chongmin Liu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China.
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China.
| | - Meina Liang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Saeed Rad
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Zejing Xu
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Shaohong You
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
| | - Dunqiu Wang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Theory & Technology for Environmental Pollution Control, Guilin University of Technology, Guilin, 541004, China
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Zhu W, Xia Z, Shi B, Lü C. Two-Dimensional Cu-Porphyrin Metal-Organic Framework Nanosheet-Supported Flaky TiO 2 as an Efficient Visible-Light-Driven Photocatalyst for Dye Degradation and Cr(VI) Reduction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:15665-15675. [PMID: 37898919 DOI: 10.1021/acs.langmuir.3c02148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
A series of 2D M(Cu, Zn, Co, and Mn)-TCPP MOFs/TiO2 binary nanocomposites (TCPP = tetrakis(4-carboxyphenyl)porphyrin) were constructed by solvothermal in situ loading of flaky TiO2 on the surface of 2D metal-organic frameworks (MOFs). The influence of different coordination metals on the catalytic activity was studied, and it was found that the 2D Cu-TCPP MOFs/TiO2 nanocomposite exhibited the best photo-Fenton performance. The superior property can be attributed to the high absorption coefficient and ultrathin two-dimensional structure of the 2D Cu-TCPP MOFs nanosheets. Meanwhile, the 2D Cu-TCPP MOFs/TiO2 II heterostructure can effectively promote the separation and transfer of photoformed carriers. Moreover, under visible irradiation, the optimized 2D Cu-TCPP MOFs/TiO2 composite can convert 99.9% of Cr(VI) to Cr(III) within 60 min with methanol as the hole scavenger at pH 3.14. Also, the photocatalytic performance of 2D Cu-TCPP MOFs/TiO2 was maintained after five reaction cycles. Furthermore, the proposed visible-light-driven photocatalysis mechanism of the 2D Cu-MOFs/TiO2 composite was reasonably derived according to experimental results. This study demonstrates the potential of building efficient TiO2-based visible light photocatalysts with 2D metal-porphyrin MOFs.
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Affiliation(s)
- Wenjing Zhu
- School of Materials Science and Technology, Jilin Institute of Chemical Technology, Jilin 132022, PR China
| | - Zhinan Xia
- Institute of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Bingfeng Shi
- Institute of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
| | - Changli Lü
- Institute of Chemistry, Northeast Normal University, Changchun 130024, P. R. China
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4
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Murugapandian R, Clement S, Uthirapathy V. Fabrication and In Vitro Drug Delivery Evaluation of Cephalexin Monohydrate-Loaded PLA:PVA/HAP:TiO 2 Fibrous Scaffolds for Bone Regeneration. ACS OMEGA 2023; 8:5017-5032. [PMID: 36777593 PMCID: PMC9910077 DOI: 10.1021/acsomega.2c07701] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 12/29/2022] [Indexed: 06/18/2023]
Abstract
Owing to the excellent osteoconductive property of hydroxyapatite, we aimed to design a cephalexin monohydrate-loaded PLA:PVA/HAP:TiO2 nanofibrous scaffold to improve the drug delivery efficiency toward bone regenerative applications. In this study, HAP:TiO2 (anatase and rutile phases) samples were prepared by a coprecipitation method, which were later blended with PLA:PVA polymeric solution (with and without the drug) to fabricate a nanofibrous matrix via the electrospinning technique. All the prepared samples were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy, contact angle, porosity, and tensile strength tests. Further, in vitro biodegradation and the drug-releasing ability were examined by varying the concentration of cephalexin monohydrate in the composite matrix. Deposition of the apatite layer on the scaffolds was examined after incubation in simulated body fluid solution to confirm the bioactivity of the prepared nanofibers. Biocompatibility by the MTT assay and osteogenic differentiation by ARS staining were evaluated by culturing MG63 cells on PLA:PVA/HAP:TiO2 nanofibers, which could ensue better support for cell proliferation. Consequently, the sustained release profile and better biocompatibility of the scaffolds revealed a strong potential use in bone regenerative applications.
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Affiliation(s)
- Rama Murugapandian
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu632014, India
| | - Simona Clement
- Department
of Chemistry, Virginia Commonwealth University, Richmond, Virginia23284, United States
| | - Vijayalakshmi Uthirapathy
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu632014, India
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Yoo SH, Yoon HS, Han H, Na KH, Choi WY. Fabrications of Electrospun Mesoporous TiO 2 Nanofibers with Various Amounts of PVP and Photocatalytic Properties on Methylene Blue (MB) Photodegradation. Polymers (Basel) 2022; 15:polym15010134. [PMID: 36616487 PMCID: PMC9824412 DOI: 10.3390/polym15010134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/17/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022] Open
Abstract
The superior chemical and electrical properties of TiO2 are considered to be suitable material for various applications, such as photoelectrodes, photocatalysts, and semiconductor gas sensors; however, it is difficult to commercialize the applications due to their low photoelectric conversion efficiency. Various solutions have been suggested and among them, the increase of active sites through surface modification is one of the most studied methods. A porous nanostructure with a large specific surface area is an attractive solution to increasing active sites, and in the electrospinning process, mesoporous nanofibers can be obtained by controlling the composition of the precursor solution. This study successfully carried out surface modification of TiO2 nanofibers by mixing polyvinylpyrrolidone with different molecular weights and using diisopropyl azodicarboxylate (DIPA). The morphology and crystallographic properties of the TiO2 samples were analyzed using a field emission electron microscope and X-ray diffraction method. The specific surface area and pore properties of the nanofiber samples were compared using the Brunauer-Emmett-Teller method. The TiO2 nanofibers fabricated by the precursor with K-30 polyvinyl pyrrolidone and diisopropyl azodicarboxylate were more porous than the TiO2 nanofibers without them. The modified nanofibers with K-30 and DIPA had a photocatalytic efficiency of 150% compared to TiO2 nanofibers. Their X-ray diffraction patterns revealed anatase peaks. The average crystallite size of the modified nanofibers was calculated to be 6.27-9.27 nm, and the specific surface area was 23.5-27.4 m2/g, which was more than 150% larger than the 17.2 m2/g of ordinary TiO2 nanofibers.
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Affiliation(s)
- Sun-Ho Yoo
- Department of Advanced Materials Engineering, Gangneung-Wonju National University, 7 Jukheongil, Gangneung 25457, Republic of Korea
| | - Han-Sol Yoon
- Department of Advanced Materials Engineering, Gangneung-Wonju National University, 7 Jukheongil, Gangneung 25457, Republic of Korea
| | - HyukSu Han
- Department of Energy Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Kyeong-Han Na
- Research Institute for Dental Engineering, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
- Smart Hydrogen Energy Center, Gangneung-Wonju National University, 7 Jukheongil, Gangneung 25457, Republic of Korea
- Correspondence: (K.-H.N.); (W.-Y.C.)
| | - Won-Youl Choi
- Department of Advanced Materials Engineering, Gangneung-Wonju National University, 7 Jukheongil, Gangneung 25457, Republic of Korea
- Research Institute for Dental Engineering, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
- Smart Hydrogen Energy Center, Gangneung-Wonju National University, 7 Jukheongil, Gangneung 25457, Republic of Korea
- Correspondence: (K.-H.N.); (W.-Y.C.)
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Mostafa MS, Chen L, Selim MS, Betiha MA, Gao Y, Zhang R, Zhang S, Ge G. Novel TiO2@[TiO6]/CoTi layered double hydroxide as a superior ultraviolet/infrared heterojunction for enhanced infrared-prompted water splitting to hydrogen. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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MXene-derived Anatase-TiO2/rutile-TiO2/In2O3 Heterojunctions toward Efficient Hydrogen Evolution. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Mesoporous titania accommodated with In2O3 nanoparticles as a superior photocatalyst for degradation ciprofloxacin antibiotic. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Simultaneous removal of aniline and antimony (Sb(V)) from textile wastewater using amidoxime-PAN/PLA nanofiber microsphere supported TiO2. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120435] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Zhang L, Dai L, Li X, Yu W, Li S, Guan J. 3D structured TiO 2-based aerogel photocatalyst for the high-efficiency degradation of toluene gas. NEW J CHEM 2022. [DOI: 10.1039/d1nj05395g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 3D TiO2-based aerogel is prepared that improves the mass-transfer efficiency of the gas–solid reaction for the high-efficiency degradation of toluene gas.
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Affiliation(s)
- Li Zhang
- Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, People's Republic of China
| | - Li Dai
- Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, People's Republic of China
| | - Xueying Li
- Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, People's Republic of China
| | - Wei Yu
- Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, People's Republic of China
| | - Shijie Li
- Innovation & Application Institute, Zhejiang Ocean University, Zhoushan 316022, People's Republic of China
| | - Jie Guan
- Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai 201209, People's Republic of China
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