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Su X, Zhang X, Gao M, Li X, Chang J, Hu L, Geng D, Ren Y, Wei T, Feng J. Electron deficient Bi 3+δ serves as N 2 absorption sites and inhibits carriers recombination to enhance N 2 photo-fixation in BiOBr/TiO 2 S-scheme heterojunction. J Colloid Interface Sci 2024; 663:61-72. [PMID: 38387187 DOI: 10.1016/j.jcis.2024.02.130] [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: 12/18/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/24/2024]
Abstract
Efficient carriers separation and multiple nitrogen (N2) activation sites are essential for N2 photo-fixation. Here, we found that the BiOBr/TiO2 (BBTO) displayed an attractive reversible photochromism (white → grey) due to the generation of electron deficient Bi3+δ, which was produced by the hole trapping of Bi3+ under light irradiation. Interestingly, more Bi3+δ were detected in the BBTO heterojunction than in pure BiOBr, attributing that the hole trapping was promoted by the built-in electric field in the Step scheme (S-scheme) heterojunction. In the BBTO, the electron deficient Bi3+δ enhanced carriers separation and served as the reactive active site to adsorb more N2. Consequently, the BBTO possessed an excellent N2 photo-fixation activity (191 μmol gcat-1 h-1), which was 7.7 and 18 times higher than that of pure BiOBr (24.8 μmol gcat-1 h-1) and TiO2 (10.6 μmol gcat-1 h-1), respectively. Therefore, this work provides a new perspective for enhancing N2 photo-fixation by the electron deficient photocatalysts with S-scheme heterojunction.
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Affiliation(s)
- Xiaojiang Su
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Xinyi Zhang
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Mingming Gao
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, China.
| | - Xiao Li
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Jin Chang
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Liangqing Hu
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Di Geng
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Yueming Ren
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Tong Wei
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China
| | - Jing Feng
- Key Laboratory of Superlight Materials & Surface Technology of Ministry of Education, Harbin Engineering University, Harbin 150001, China.
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2
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Luo P, Zhang Y, Peng Z, He Q, Zhao W, Zhang W, Yin D, Zhang Y, Tang J. Photocatalytic degradation of perfluorooctanoic acid (PFOA) from water: A mini review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123212. [PMID: 38145640 DOI: 10.1016/j.envpol.2023.123212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/04/2023] [Accepted: 12/21/2023] [Indexed: 12/27/2023]
Abstract
Perfluorooctanoic acid (PFOA) has drawn increasing attention as a highly persistent organic pollutant. The inherent stability, rigidity and potential toxicities characteristics make it a challenge to develop efficient technologies to eliminate it from water. Photocatalytic technology, as one advanced method, has been widely used in the degradation of PFOA in water. In this review, recent progress in the design of photocatalysts including doping, defects engineering, heterojunction and surface modification to boost the photocatalytic performance toward PFOA is summarized. The relevant degradation mechanisms were also discussed in detail. Finally, future prospect and challenges are proposed. This review may provide new guidelines for researchers to design much more efficient photocatalysts applied in the elimination of PFOA.
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Affiliation(s)
- Peiru Luo
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan, 450001, China; College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Yangyang Zhang
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Zifang Peng
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Qingyun He
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Wuduo Zhao
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Wenfen Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Dan Yin
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan, 450001, China.
| | - Yanhao Zhang
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan, 450001, China; State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong, SAR, China
| | - Jianwei Tang
- School of Ecology and Environment, Zhengzhou University, Zhengzhou, Henan, 450001, China
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3
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Juve JMA, Donoso Reece JA, Wong MS, Wei Z, Ateia M. Photocatalysts for chemical-free PFOA degradation - What we know and where we go from here? JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132651. [PMID: 37827098 DOI: 10.1016/j.jhazmat.2023.132651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 08/11/2023] [Accepted: 09/26/2023] [Indexed: 10/14/2023]
Abstract
Perfluorooctanoic acid (PFOA) is a toxic and recalcitrant perfluoroalkyl substance commonly detected in the environment. Its low concentration challenges the development of effective degradation techniques, which demands intensive chemical and energy consumption. The recent stringent health advisories and the upgrowth and advances in photocatalytic technologies claim the need to evaluate and compare the state-of-the-art. Among these systems, chemical-free photocatalysis emerges as a cost-effective and sustainable solution for PFOA degradation and potentially other perfluorinated carboxylic acids. This review (I) classifies the state-of-the-art of chemical-free photocatalysts for PFOA degradation in families of materials (Ti, Fe, In, Ga, Bi, Si, and BN), (II) describes the evolution of catalysts, identifies and discusses the strategies to enhance their performance, (III) proposes a simplified cost evaluation tool for simple techno-economical analysis of the materials; (IV) compares the features of the catalysts expanding the classic degradation focus to other essential parameters, and (V) identifies current research gaps and future research opportunities to enhance the photocatalyst performance. We aim that this critical review will assist researchers and practitioners to develop rational photocatalyst designs and identify research gaps for green and effective PFAS degradation.
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Affiliation(s)
- Jan-Max Arana Juve
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, 8000 Aarhus C, Denmark; Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA
| | - Juan A Donoso Reece
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA
| | - Michael S Wong
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA
| | - Zongsu Wei
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, 8000 Aarhus C, Denmark.
| | - Mohamed Ateia
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX, USA; Center for Environmental Solutions & Emergency Response, US Environmental Protection Agency, Cincinnati, OH, USA.
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Balasurya S, Okla MK, AbdElgawad H, Al-Ghamdi AA, Abdel-Maksoud MA, Al-Amri SS, Madany MMY, Khan SS. Self-propelled nanojets an interfacial Schottky junctions modulated oxygen vacancies enriched for enhanced photo-Fenton degradation of organic contaminant: Improving H 2O 2 generation, Fe 3+/Fe 2+ cycle and enhancing plant metabolism. CHEMOSPHERE 2023; 314:137516. [PMID: 36521743 DOI: 10.1016/j.chemosphere.2022.137516] [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: 07/14/2022] [Revised: 11/27/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
The study reports an innovative approach on sunlit driven heterostructure photocatalytic generation of H2O2 and removal of cefixime. In the present work, we have fabricated Mn/Mg doped CoFe2O4 modified CaCr2O4 decorated by Ag3PO4 quantum dots (Ag3PO4 QDs), a p-n-p nano heterojunction. The study promotes the photocatalytic production of H2O2 and self-Fenton photocatalytic degradation of cefixime. Egg white-assisted synthesis of Mn-doped CoFe2O4 causes the lattice oxygen defect, which enhances the photocatalytic activity. Lattice oxygen defect enable the adsorption of O2, which enable the conversion of •O2 in the valence band of CoFe2O4 for the endogenous production of H2O2. The higher in the surface area enhance the photocatalytic activity under visible light irradiation. Mn-CoFe2O4-CaCr2O4-Ag3PO4 QDs enables the complete photocatalytic degradation of cefixime (99.9%) and the complete removal was determined by total organic carbon (TOC) removal and it was around 99.4%. Meanwhile the photocatalytic degradation pathway of cefixime was determined by LC-MS/MS. Reusability of the nano heterojunction was determined by six cycle test, and the reusability of the nano heterojunction was 99.8%. Further, the toxicity of the nanomaterial was studied in maize plant and the results shows that the nanoheterojunction enhances the maize growth. The study systematically reveals the robust activity of nano heterojunction for sustainable water treatment.
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Affiliation(s)
- S Balasurya
- Centre for Energy, Materials and Telecommunications, Institut National de la Recherche Scientifique, Varennes, QC, Canada
| | - Mohammad K Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Hamada AbdElgawad
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, 2020, Antwerpen, Belgium
| | - Abdullah A Al-Ghamdi
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mostafa A Abdel-Maksoud
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, 2020, Antwerpen, Belgium
| | - Saud S Al-Amri
- Integrated Molecular Plant Physiology Research, Department of Biology, University of Antwerp, 2020, Antwerpen, Belgium
| | - Mahmoud M Y Madany
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - S Sudheer Khan
- Department of Oral Medicine and Radiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, 600077, Tamil Nadu, India.
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5
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Chen F, Yu W, Wang Y, Wang S, Liang Y, Wang L, Liang Y, Zhao L, Wang Y. Dynamic control of pentachlorophenol photodegradation process using P25/PDA/BiOBr through regulation of photo-induced active substances and chemiluminescence. CHEMOSPHERE 2022; 307:135914. [PMID: 35939990 DOI: 10.1016/j.chemosphere.2022.135914] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/20/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Photodegradation is a new approach for the removal of pentachlorophenol (PCP). Photooxidation degradation (using hydroxyl radicals) exhibits better performance to remove PCP than photoreduction degradation, but the former will lead to an increase in the production of toxic by-products such as tetrachloro-1,4-benzoquinone (TCBQ). Thus, a new strategy is required to enhance PCP photodegradation and simultaneously inhibit toxic intermediates production. Herein, TiO2 (P25)/polydopamine (PDA)/BiOBr was synthesized and used to photodegrade PCP. Based on the relative position of the CB and VB of P25 and BiOBr, and PDA as an electron transfer mediator, a high number of holes, electrons, and superoxide anions were produced instead of hydroxyl radicals. The photocatalytic activity of P25/PDA/BiOBr exhibited the best performance among as-prepared samples, reaching a k(pcp) value of 0.4 min-1 (20 μM PCP) under UV light irradiation within 10 min. According to chemiluminescence and acute toxicity assays, relative to P25, the toxic intermediates of TCBQ and trichlorohydroxy-1,4-benzoquinone (OH-TrCBQ) generation was greatly reduced over P25/PDA/BiOBr, with a lack of toxic product generation during PCP photodegradation process. These findings provide an alternative strategy to achieve greener and more efficient organic pollutant photodegradation.
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Affiliation(s)
- Fengjie Chen
- State Key Laboratory of Precision Blasting, Jianghan University, Wuhan, 430056, China; Hubei Key Laboratory of Industrial Fume & Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Wanchao Yu
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yarui Wang
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Silong Wang
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Liang
- State Key Laboratory of Precision Blasting, Jianghan University, Wuhan, 430056, China; Hubei Key Laboratory of Industrial Fume & Dust Pollution Control, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Ling Wang
- State Key Laboratory of Precision Blasting, Jianghan University, Wuhan, 430056, China; Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Yong Liang
- State Key Laboratory of Precision Blasting, Jianghan University, Wuhan, 430056, China; Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan, 430056, China
| | - Lixia Zhao
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310000, China.
| | - Yawei Wang
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310000, China
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Wan G, Congyi H, Shujun Z, Chengzhi H, Yuanfang L. Iron-based Metal-organic gel-derived Ferric oxide Nanosheets for Photo-Fenton Degradation of Rhodamine B. ACTA CHIMICA SINICA 2022. [DOI: 10.6023/a22070304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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