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Sood Y, Singh K, Mudila H, Lokhande P, Singh L, Kumar D, Kumar A, Mubarak NM, Dehghani MH. Insights into properties, synthesis and emerging applications of polypyrrole-based composites, and future prospective: A review. Heliyon 2024; 10:e33643. [PMID: 39027581 PMCID: PMC11255519 DOI: 10.1016/j.heliyon.2024.e33643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/20/2024] Open
Abstract
Recent advancements in polymer science and engineering underscore the importance of creating sophisticated soft materials characterized by well-defined structures and adaptable properties to meet the demands of emerging applications. The primary objective of polymeric composite technology is to enhance the functional utility of materials for high-end purposes. Both the inherent qualities of the materials and the intricacies of the synthesis process play pivotal roles in advancing their properties and expanding their potential applications. Polypyrrole (PPy)-based composites, owing to their distinctive properties, hold great appeal for a variety of applications. Despite the limitations of PPy in its pure form, these constraints can be effectively overcome through hybridization with other materials. This comprehensive review thoroughly explores the existing literature on PPy and PPy-based composites, providing in-depth insights into their synthesis, properties, and applications. Special attention is given to the advantages of intrinsically conducting polymers (ICPs) and PPy in comparison to other ICPs. The impact of doping anions, additives, and oxidants on the properties of PPy is also thoroughly examined. By delving into these aspects, this overview aims to inspire researchers to delve into the realm of PPy-based composites, encouraging them to explore new avenues for flexible technology applications.
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Affiliation(s)
- Yuvika Sood
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Kartika Singh
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Harish Mudila
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - P.E. Lokhande
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad Tecnológica Metropolitana, Av. José Pedro Alessandri 1242, Santiago, 7810003, Chile
| | - Lakhveer Singh
- Department of Chemistry, Sardar Patel University, Mandi, Himachal Pradesh, 175001, India
| | - Deepak Kumar
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Anil Kumar
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan BE1410, Brunei Darussalam
- Department of Biosciences, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Mohammad Hadi Dehghani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
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2
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Ali N, Khan F, Song W, Khan I, Kareem A, Rahman S, Khan A, Ali F, Al Balushi RA, Al-Hinaai MM, Nawaz A. Robust polymer hybrid and assembly materials from structure tailoring to efficient catalytic remediation of emerging pollutants. CHEMOSPHERE 2024; 360:142408. [PMID: 38789056 DOI: 10.1016/j.chemosphere.2024.142408] [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: 03/27/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 05/26/2024]
Abstract
A massive amount of toxic substances and harmful chemicals are released every day into the outer environment, imposing serious environmental impacts on both land and aquatic animals. To date, research is constantly in progress to determine the best catalytic material for the effective remediation of these harmful pollutants. Hybrid nanomaterials prepared by combining functional polymers with inorganic nanostructures got attention as a promising area of research owing to their remarkable multifunctional properties deriving from their entire nanocomposite structure. The versatility of the existing nanomaterials' design in polymer-inorganic hybrids, with respect to their structure, composition, and architecture, opens new prospects for catalytic applications in environmental remediation. This review article provides comprehensive detail on catalytic polymer nanocomposites and highlights how they might act as a catalyst in the remediation of toxic pollutants. Additionally, it provides a detailed clarification of the processing of design and synthetic ways for manufacturing polymer nanocomposites and explores further into the concepts of precise design methodologies. Polymer nanocomposites are used for treating pollutants (electrocatalytic, biocatalytic, catalytic, and redox degradation). The three catalytic techniques that are frequently used are thoroughly illustrated. Furthermore, significant improvements in the method through which the aforementioned catalytic process and pollutants are extensively discussed. The final section summarizes challenges in research and the potential of catalytic polymer nanocomposites for environmental remediation.
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Affiliation(s)
- Nisar Ali
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China; Department of Basic and Applied Sciences, College of Applied and Health Sciences, A'Sharqiyah University, P.O. Box 42, Ibra P.O. 400, Sultanate of Oman.
| | - Fawad Khan
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Wang Song
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Ibrahim Khan
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Abdul Kareem
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Suhaib Rahman
- National & Local Joint Engineering Research Center for Mineral Salt Deep Utilization, Huaiyin Institute of Technology, Huai'an, 223003, China
| | - Adnan Khan
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa, 25120, Pakistan
| | - Farman Ali
- Department of Chemistry, Hazara University, Mansehra, 21300, Pakistan
| | - Rayya Ahmed Al Balushi
- Department of Basic and Applied Sciences, College of Applied and Health Sciences, A'Sharqiyah University, P.O. Box 42, Ibra P.O. 400, Sultanate of Oman
| | - Mohammad M Al-Hinaai
- Department of Basic and Applied Sciences, College of Applied and Health Sciences, A'Sharqiyah University, P.O. Box 42, Ibra P.O. 400, Sultanate of Oman
| | - Arif Nawaz
- Henan Key Laboratory of Photovoltaic Materials, School of Physics, Henan Normal University, Xinxiang 453007, China
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Kalidhasan S, Lim YS, Chu EA, Choi J, Lee HY. Phospholipid-derived Au and Au-Cu suspensions as efficient peroxide and borohydride activators for organic molecules degradation: Performance and sustainable catalytic mechanism. CHEMOSPHERE 2024; 346:140567. [PMID: 38303386 DOI: 10.1016/j.chemosphere.2023.140567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
In the contemporary context, executing light-oxidant- and reductant-driven reactions in solution-phase processes remains challenging mainly due to the lack of general tools for understanding the reactive potential of nano-functional catalysts. In this study, dual-active nanometals (Au and Cu doped with Au) capped within soy lecithin (SL), were developed and characterized, combining flexibility with the catalytic advantages and stability of liquid-phase catalysts. The as-synthesized SL-Au (LG) and SL-Au-Cu (LGC) catalysts were efficiently degraded rhodamine B (RB, 100%) in the presence of H2O2 under light irradiation (350 W lamp) at wide pH range (3-7) within 4.5 h and p-nitrophenol (p-NP, >90% degradation at pH 7) in the presence of NaBH4 under normal stirring with slower kinetics (∼72 h). RB degradation followed a pseudo-second-order kinetic model with a higher r2, and p-NP degradation followed first-order kinetics. The active sites embedded within the structural order of SL arrangement displayed elevated catalytic activity, which was further enhanced by the movement of intermediate/excited states and charged elements within the metal suspended in the phospholipid (LG and LGC). The self-regulating tunability of the physicochemical characteristics of these catalysts provides a convenient and generalizable platform for the transformation of modern dual-active (redox) catalysts into dynamic homogeneous equivalents.
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Affiliation(s)
- Sethu Kalidhasan
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea.
| | - Yeon-Su Lim
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea
| | - Eun-Ae Chu
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea
| | - Jonghoon Choi
- School of Integrative Engineering, Chung-Ang University, Seoul, 06974, Republic of Korea; Nanomedicine Corp., Seoul, 06974, Republic of Korea.
| | - Hee-Young Lee
- Department of Chemical Engineering, Kumoh National Institute of Technology, 61, Daehak-ro, Gumi-si, Gyeongsangbuk-do, 39177, Republic of Korea.
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4
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Gao X, Yin H, Guo C, Yan B, Li M, Xin L, Wu Z. Comprehensive removal of various dyes by thiourea modified chitosan/nano ZnS composite via enhanced photocatalysis: Performance and mechanism. Int J Biol Macromol 2023; 247:125677. [PMID: 37406916 DOI: 10.1016/j.ijbiomac.2023.125677] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 06/28/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023]
Abstract
Dyeing wastewater is a carcinogenic pollutant, which is widely known for its harmful effects on humans and marine organisms. In this study, a novel composite was prepared by blending thiourea modified chitosan with zinc sulfide nanoparticles (T-CS/ZnS) to comprehensively remove methyl orange (MO), rhodamine B (Rh B), and methylene blue (MB) effectively. Characterization results suggested that the synthesized composite has an irregular and rough surface that provided high specific surface area for adsorption process, while the strong optical response and low bandgap width contributed to the subsequent photocatalytic degradation of adsorbed dye molecules. Under optimum experimental conditions, the removal rates of MO, Rh B, and MB were 99.59 %, 99.49 %, and 91.04 %, respectively. Amino and hydroxyl groups provide electrons in photocatalytic reactions. The reaction process is consistent with the quasi-first-order kinetic model, and the material has good stability and regeneration potential. This study indicated that T-CS/ZnS composite is a highly effective material for the treatment of dyeing wastewaters.
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Affiliation(s)
- Xiangpeng Gao
- Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Ma'anshan, Anhui 243032, China; School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Huiqing Yin
- Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Ma'anshan, Anhui 243032, China; School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Cheng Guo
- Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Ma'anshan, Anhui 243032, China; School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Boting Yan
- School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Mingyang Li
- School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Lili Xin
- Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Ma'anshan, Anhui 243032, China; School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China
| | - Zhaoyang Wu
- Engineering Research Center of Biofilm Water Purification and Utilization Technology of Ministry of Education, Anhui University of Technology, Ma'anshan, Anhui 243032, China; School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan, Anhui 243032, China.
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5
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Kumar R, Raizada P, Ahamad T, Alshehri SM, Le QV, Alomar TS, Nguyen VH, Selvasembian R, Thakur S, Nguyen DC, Singh P. Polypyrrole-based nanomaterials: A novel strategy for reducing toxic chemicals and others related to environmental sustainability applications. CHEMOSPHERE 2022; 303:134993. [PMID: 35598782 DOI: 10.1016/j.chemosphere.2022.134993] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 05/03/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Aqueous contaminants such as pharmaceuticals, dyes, personal care products, etc., are the common water contaminants that show adverse health effects. Photocatalysis is one of the well-known techniques to treat these water contaminants. Currently, most inorganic photocatalysts show a poor balance between adsorption and photocatalytic activity. In addition, heavy metal pollution and low biosafety are significant concerns in photocatalysis. Thus, environmentally friendly photocatalysts are required to avoid the secondary pollution caused by some inorganic semiconductor-photocatalysts. Organic polymer-based photocatalysts are low-cost, stable, non-toxic, and can utilize visible and NIR light for photocatalysis. In this review, we have discussed polypyrrole as a photocatalyst. Polypyrrole is a conducting organic polymer photocatalyst that is highly stable with high charge mobility and strong binding sites for photocatalytic reactions. Besides these advantages, polypyrrole has limitations, such as high charge recombination due to a small bandgap and poor dispersity. So we have explored the modifications to polypyrrole photocatalysts, such as doping and heterojunctions. Further, we have explained the applications of polypyrrole in photocatalysis as an adsorbent, sensitizer, degradation of pollutants, and energy production. Finally, the future aspects of polypyrrole photocatalysis are also explored to improve the path of future research.
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Affiliation(s)
- Rohit Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Tanisr Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Quyet Van Le
- Faculty of Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Taghrid S Alomar
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district, 603103, Tamil Nadu, India.
| | - Rangabhashiyam Selvasembian
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, 613401, Tamilnadu, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - D C Nguyen
- Department of Chemistry, The University of Danang, University of Science and Education, Danang, 550000, Viet Nam
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India.
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6
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Synthesis, Characterization, and Solar Photo-Activation of Chitosan-Modified Nickel Magnetite Bio-Composite for Degradation of Recalcitrant Organic Pollutants in Water. Catalysts 2022. [DOI: 10.3390/catal12090983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Photocatalysis is a promising process for decomposing harmful organic pollutants in water. In this study, solar/photocatalytic degradation of two model azo dyes, i.e., methylene blue (MB) and methyl red (MR), in water usinga nanostructured chitosan-modified nickel magnetite (CS-NM) bio-composite was investigated. The CS-NM bio-composite was synthesized through a co-precipitation method and characterized by Fourier transform infrared (FTIR), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), thermogravimetry (TGA), and UV-Vis spectroscopy. FTIR analysis showed the uniform incorporation and conjugation of nickel magnetite (NM) into the chitosan (CS) polymer matrix. SEM showed that the average particle size was 0.5 μm. The TGA results revealed the good thermal stability of the prepared bio-composite at 300 °C. The point of zero charge was calculated as 7.5. The effect of water quality and process parameters, such as concentration of dyes, catalyst dose, solution pH, and temperatures, was investigated, for application purposes. The solar/CS-NM photocatalysis resulted in 99 and 96% degradation of individual MB and MR (C0 = 50 ppm), respectively, in 90 min. The degradation of MB and MR by solar/CS-NM photocatalysis followed pseudo-first-order kinetics, with observed rate constants (k) of 0.077 and 0.072 min−1, respectively. The CS-NM photocatalyst showed high recyclability, represented by only a 4–6% loss in the photocatalytic efficiency, after four cycles. The results showed that solar/CS-NM photocatalysis is an efficient technique for degrading recalcitrant organic pollutants, such as azo dyes, in water environments.
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7
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Devi HR, Solanki V, Nanda KK. Modulating the Midgap States of 3D–2D Hybrid ZnO by Codoping and Its Effect on Visible Photocatalysis. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.1c04826] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hemam Rachna Devi
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Vanaraj Solanki
- Dr. K C Patel R & D Centre, Charotar University of Science & Technology (CHARUSAT), Changa 388 421, Anand, India
| | - Karuna Kar Nanda
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
- Institute of Physics, P.O. Sainik School, Bhubaneswar 751005, India
- Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400094, India
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8
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Abdullah FH, Bakar NHHA, Bakar MA. Current advancements on the fabrication, modification, and industrial application of zinc oxide as photocatalyst in the removal of organic and inorganic contaminants in aquatic systems. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127416. [PMID: 34655867 DOI: 10.1016/j.jhazmat.2021.127416] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 09/08/2021] [Accepted: 09/30/2021] [Indexed: 06/13/2023]
Abstract
Industrial wastewaters contain hazardous contaminants that pollute the environment and cause socioeconomic problems, thus demanding the employment of effective remediation procedures such as photocatalysis. Zinc oxide (ZnO) nanomaterials have emerged to be a promising photocatalyst for the removal of pollutants in wastewater owing to their excellent and attractive characteristics. The dynamic tunable features of ZnO allow a wide range of functionalization for enhanced photocatalytic efficiency. The current review summarizes the recent advances in the fabrication, modification, and industrial application of ZnO photocatalyst based on the analysis of the latest studies, including the following aspects: (1) overview on the properties, structures, and features of ZnO, (2) employment of dopants, heterojunction, and immobilization techniques for improved photodegradation performance, (3) applicability of suspended and immobilized photocatalytic systems, (4) application of ZnO hybrids for the removal of various types of hazardous pollutants from different wastewater sources in industries, and (5) potential of bio-inspired ZnO hybrid nanomaterials for photocatalytic applications using renewable and biodegradable resources for greener photocatalytic technologies. In addition, the knowledge gap in this field of work is also highlighted.
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Affiliation(s)
- F H Abdullah
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
| | - N H H Abu Bakar
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia.
| | - M Abu Bakar
- Nanoscience Research Laboratory, School of Chemical Sciences, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
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9
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Chakraborty P, Ahamed ST, Mandal P, Mondal A, Banerjee D. Polypyrrole and a polypyrrole/nickel oxide composite – single-walled carbon nanotube enhanced photocatalytic activity under visible light. NEW J CHEM 2022. [DOI: 10.1039/d2nj02336a] [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
A novel NiO/PPy/SWCNT composite for removal of organic dyes with an emphasis on the effect of photocatalytic charge carrier transport and photoluminescence properties.
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Affiliation(s)
- Prasenjit Chakraborty
- Department of Physics, Indian Institute of Engineering Science & Technology, Shibpur, Howrah 711103, India
| | - Sk. Taheruddin Ahamed
- Department of Chemistry, Indian Institute of Engineering Science & Technology, Shibpur, Howrah 711103, India
| | - Pinaki Mandal
- Department of Physics, Indian Institute of Engineering Science & Technology, Shibpur, Howrah 711103, India
| | - Anup Mondal
- Department of Chemistry, Indian Institute of Engineering Science & Technology, Shibpur, Howrah 711103, India
| | - Dipali Banerjee
- Department of Physics, Indian Institute of Engineering Science & Technology, Shibpur, Howrah 711103, India
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10
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Jadoun S, Yáñez J, Mansilla HD, Riaz U, Chauhan NPS. Conducting polymers/zinc oxide-based photocatalysts for environmental remediation: a review. ENVIRONMENTAL CHEMISTRY LETTERS 2022; 20:2063-2083. [PMID: 35221834 PMCID: PMC8857745 DOI: 10.1007/s10311-022-01398-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 01/17/2022] [Indexed: 05/03/2023]
Abstract
The accessibility to clean water is essential for humans, yet nearly 250 million people die yearly due to contamination by cholera, dysentery, arsenicosis, hepatitis A, polio, typhoid fever, schistosomiasis, malaria, and lead poisoning, according to the World Health Organization. Therefore, advanced materials and techniques are needed to remove contaminants. Here, we review nanohybrids combining conducting polymers and zinc oxide for the photocatalytic purification of waters, with focus on in situ polymerization, template synthesis, sol-gel method, and mixing of semiconductors. Advantages include less corrosion of zinc oxide, less charge recombination and more visible light absorption, up to 53%.
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Affiliation(s)
- Sapana Jadoun
- Facultad de Ciencias Químicas, Departamento de Química Analítica e Inorgánica, Universidad de Concepción, 4070371 Edmundo Larenas 129, Concepción, Chile
- Department of Chemistry, Materials Research Laboratory, Jamia Millia Islamia, New Delhi, 110025 India
| | - Jorge Yáñez
- Facultad de Ciencias Químicas, Departamento de Química Analítica e Inorgánica, Universidad de Concepción, 4070371 Edmundo Larenas 129, Concepción, Chile
| | - Héctor D. Mansilla
- Facultad de Ciencias Químicas, Departamento de Química Orgánica, Universidad de Concepción, 4070371 Edmundo Larenas 129, Concepción, Chile
| | - Ufana Riaz
- Department of Chemistry, Materials Research Laboratory, Jamia Millia Islamia, New Delhi, 110025 India
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A (solvent-free) approach to metal-free photo-catalysts for methylene blue degradation. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00957-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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12
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Facile Synthesis of ZnO Nanoparticles for the Photodegradation of Rhodamine-B. JURNAL KIMIA SAINS DAN APLIKASI 2021. [DOI: 10.14710/jksa.24.6.185-191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
River pollution is a problem that is still very poorly handled. Industrial growth is the most significant contributor to produce this wastewater. The industry produces liquid waste such as dyes that do not meet handling standards because of the high cost. Photocatalyst is way better than other methods such as adsorption, coagulation, fluctuation, and others. However, there are still many shortcomings of the existing methods, such as high cost, high temperature, and dangerous by-products. This research seeks to provide a solution by synthesizing zinc oxide (ZnO) nanoparticles as a photocatalyst to reduce rhodamine B dye under visible light irradiation. ZnO nanoparticles were successfully synthesized through a simple sol-gel method in the form of a white powder by heating at a low temperature, 60°C. The XRD results show that the results have a diffraction peak that follows the standard ZnO with a hexagonal wurtzite crystal structure. According to the Scherrer equation, the crystal has a size of 22.61 nm. SEM analysis showed that the particle morphology and particle size were homogeneous with a spherical shape, ranging from 22-24 nm. Optimal ZnO photocatalytic activity at 90 minutes with an efficiency of 98.83%.
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Chen X, Zhang L, Xu B, Chen T, Hu L, Yao W, Zhou M, Xu H. Hairy silica nanosphere supported metal nanoparticles for reductive degradation of dye pollutants. NANOSCALE ADVANCES 2021; 3:2879-2886. [PMID: 36134192 PMCID: PMC9419623 DOI: 10.1039/d1na00020a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/21/2021] [Indexed: 05/03/2023]
Abstract
Hairy materials can act as a sort of scaffold for the fabrication of functional hybrid composites. In this work, silica nanospheres modified with covalently grafted poly(4-vinylpyridine) (P4VP) brushes, namely, "hairy" silica spheres, were utilized as a support for the anchorage of metal nanoparticles (MNPs), thus resulting in the hierarchical SiO2@P4VP/MNP structure. In this triple-phase boundary heteronanostructure, the SiO2-supported MNPs are well stabilized by the P4VP matrix to avoid aggregation and leaching. These SiO2@P4VP/MNP nanocomposites exhibit good catalytic activity in the reductive degradation of organic dyes, i.e., 4-nitrophenol and rhodamine B and possess excellent stability and recyclability for five successive cycles.
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Affiliation(s)
- Xin Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Li Zhang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Bin Xu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of the People's Republic of China Nanjing 210042 China
| | - Tingting Chen
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Lianhong Hu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Wei Yao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Mengxiang Zhou
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
| | - Hui Xu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University Nanjing 211816 China
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Le TTT, Tran DT, Danh TH. Remarkable enhancement of visible light driven photocatalytic performance of TiO2 by simultaneously doping with C, N, and S. Chem Phys 2021. [DOI: 10.1016/j.chemphys.2021.111144] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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15
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Arghavan FS, Hossein Panahi A, Nasseh N, Ghadirian M. Adsorption-photocatalytic processes for removal of pentachlorophenol contaminant using FeNi 3/SiO 2/ZnO magnetic nanocomposite under simulated solar light irradiation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:7462-7475. [PMID: 33033929 DOI: 10.1007/s11356-020-10927-5] [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: 01/13/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
The adsorption followed by photocatalytic degradation process was examined for the pentachlorophenol (PCP) removal from aqueous solution. These processes were accomplished by using FeNi3/SiO2/ZnO magnetic nanocomposite as an adsorbent-photocatalytic agent and under the irradiation of solar light. The magnetic nanocomposite used was first synthesized and then was characterized using transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), vibrating-sample magnetometer (VSM), and X-ray diffraction (XRD) spectroscopy. The PCP removal efficiency was tested for various factors, including pH, PCP concentration, and nanocomposite dose at different contact times. The characterization results of TEM, FE-SEM, and VSM analysis showed that the synthesized nanoparticles are amorphous and tend to agglomerate due to their high super-paramagnetic property. In addition, the EDX technique showed that the Zn and O elements had the highest weight percent in the synthesized nanocomposite, respectively. On the other hand, XRD analysis revealed that the crystalline size of the nanoparticles was about 42 nm. The kinetic of PCP degradation followed the pseudo-first-order model with R2 = 0.978. According to the results of the isotherm study, the adsorption of PCP onto the nanoparticles followed the Freundlich model. The results of adsorption-photocatalytic degradation experiments showed that 100% removal of PCP was obtained at optimum conditions of pH = 3, nanocomposite dose = 0.5 g/L, contact time = 180 min, and initial PCP concentration of 10 mg/L. Through the results obtained from this study, the adsorption process followed by solar light photocatalytic degradation process using FeNi3/SiO2/ZnO magnetic nanocomposite is found to be an efficacious treatment method for the removal of PCP contaminant from water and wastewater.
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Affiliation(s)
- Fatemeh Sadat Arghavan
- Student Research Committee, Department of Environmental Health Engineering, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ayat Hossein Panahi
- Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Negin Nasseh
- Social Determinants of Health Research Center, Faculty of Health, Environmental Health Engineering Department, Birjand University of Medical Sciences, Birjand, Iran.
| | - Morteza Ghadirian
- Research assistant at university of Alberta, Edmonton, Alberta, Canada
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Podasca VE, Damaceanu MD. ZnO-Ag based polymer composites as photocatalysts for highly efficient visible-light degradation of Methyl Orange. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.113003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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17
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Bolzon LB, Bindeiro AKDS, de Oliveira Souza ALM, Zanatta LD, de Paula R, Cerqueira BC, dos Santos JS. Rhodamine B oxidation promoted by P450-bioinspired Jacobsen catalysts/cellulose systems. RSC Adv 2021; 11:33823-33834. [PMID: 35497525 PMCID: PMC9042282 DOI: 10.1039/d1ra04915a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 08/19/2021] [Indexed: 11/21/2022] Open
Abstract
P450-bioinspired Jacobsen/Cell(NEt2) catalysts have been applied in RhB dye oxidation, which is used illegally in food industries of some countries.
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Affiliation(s)
- Lucas Bomfim Bolzon
- Grupo de Pesquisa em Bioinorgânica e Catálise (GPBioCat), Departamento de Química Geral e Inorgânica, IQ-UFBA, R. Barão de Jeremoabo 147, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Anna Karolina dos Santos Bindeiro
- Grupo de Pesquisa em Bioinorgânica e Catálise (GPBioCat), Departamento de Química Geral e Inorgânica, IQ-UFBA, R. Barão de Jeremoabo 147, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Ana Luiza Marques de Oliveira Souza
- Grupo de Pesquisa em Bioinorgânica e Catálise (GPBioCat), Departamento de Química Geral e Inorgânica, IQ-UFBA, R. Barão de Jeremoabo 147, Campus de Ondina, 40170-115 Salvador, BA, Brazil
| | - Lucas Dimarô Zanatta
- Laboratório de Bioinorgânica, Departamento de Química, FFCLRP-USP, Av. Bandeirantes 3900, 14040-901, Ribeirão Preto, SP, Brazil
| | - Rodrigo de Paula
- Centro de Formação de Professores, UFRB, Av. Nestor de Melo Pita 535, Campus de Amargosa, 45300-000, Amargosa, BA, Brazil
- Programa de Pós-Graduação em Química Pura e Aplicada-POSQUIPA, Universidade Federal do Oeste da Bahia, Rua Bertioga, 892, Morada Real, 47810-059, Barreiras, BA, Brazil
| | - Bruna Costa Cerqueira
- Centro de Formação de Professores, UFRB, Av. Nestor de Melo Pita 535, Campus de Amargosa, 45300-000, Amargosa, BA, Brazil
| | - Joicy Santamalvina dos Santos
- Grupo de Pesquisa em Bioinorgânica e Catálise (GPBioCat), Departamento de Química Geral e Inorgânica, IQ-UFBA, R. Barão de Jeremoabo 147, Campus de Ondina, 40170-115 Salvador, BA, Brazil
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Yang W, Zhao J, Huang D, Guan H, Wang Z, Lan Q, Zhang L, Yu J, Zhang S, Wang L. Immobilization of ZnO into polychlorotrifluoroethylene-co-acrylate matrix as hybrid film photocatalyst for effective degradation of methylene blue. J PHOTOPOLYM SCI TEC 2021. [DOI: 10.2494/photopolymer.34.597] [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)
- Weiguang Yang
- The Marine Biomedical Research Institute, Guangdong Medical University
| | - Jin Zhao
- Department of Chemistry, Lishui University
| | | | | | | | | | - Ling Zhang
- Department of Chemistry, Lishui University
| | - Jian Yu
- Department of Chemistry, Lishui University
| | | | - Lingnan Wang
- Wenzhou Institute, University of Chinese Academy of Sciences
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Alshehri AA, Malik MA. Phytomediated Photo-Induced Green Synthesis of Silver Nanoparticles Using Matricaria chamomilla L. and Its Catalytic Activity against Rhodamine B. Biomolecules 2020; 10:E1604. [PMID: 33256218 PMCID: PMC7760056 DOI: 10.3390/biom10121604] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/27/2022] Open
Abstract
The bio-fabrication of silver nanoparticles (AgNPs) was carried out through the facile green route, using the aqueous extract of Matricaria chamomilla L. Herein, we have developed a cost-efficient, ecofriendly, and photo-induced method for the biomolecule-assisted synthesis of AgNPs using an aqueous extract of Matricaria chamomilla L. as a bio-reducing and capping/stabilizing agent. The biomolecule-capped AgNPs were confirmed from the surface plasmon resonance (SPR) band at λmax = 450 nm using a UV-visible spectrometer. The stability of the AgNPs was confirmed by recording the UV-visible spectra for a more extended period, and no precipitation was observed in the sol. The morphology and structure of photo-induced biomolecule-capped AgNPs were characterized by different microscopic and spectroscopy techniques such as TEM, SEM, EDX, XRD, and FTIR analysis. The role of phytochemicals as reducing and stabilizing agents was confirmed by comparative FTIR analysis of the AgNPs and pure Matricaria chamomilla L. aqueous extract. The obtained result shows that the AgNPs are mostly spherical morphology with an average size of about 26 nm. Furthermore, the thermal stability of biomolecule-capped AgNPs was examined by TGA-DTG analysis that showed a weight loss of approximately 36.63% up to 800 °C. Moreover, the potential photocatalytic activity of photo-induced AgNPs against Rhodamine B (RB) was examined in the presence of UV light irradiation. The catalyst reusability, the effect of catalyst dosage and initial dye concentration, and the effect of the temperature and pH of the reaction medium were also assessed.
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Affiliation(s)
| | - Maqsood Ahmad Malik
- Chemistry Department, Faculty of Sciences, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
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20
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Abu Elella MH, Goda ES, Abdallah HM, Shalan AE, Gamal H, Yoon KR. Innovative bactericidal adsorbents containing modified xanthan gum/montmorillonite nanocomposites for wastewater treatment. Int J Biol Macromol 2020; 167:1113-1125. [PMID: 33197479 DOI: 10.1016/j.ijbiomac.2020.11.065] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 11/18/2022]
Abstract
Herein, we reported the preparation of novel antibacterial nanocomposites based on biodegradable polymers. The nanocomposites were applied as capable adsorbent for removing of malachite green (MG) dye, as well as inhibiting of E. coli and S. aureus growth as the most common pollutants for water. The grafted xanthan gum with poly(vinylimidazole) (XG-g-PVI) nanocomposites were synthesized in the presence of different Montmorillonite (MMT) nanoclays concentrations (1%, 3% and 5%). The prepared modified XG nanocomposites were detected through XRD, SEM-EDX, FTIR and TEM. The maximum adsorption MG capacity was determined as 99.99% (909.1 mg/g) in basic medium at 30 °C for 90 min. The adsorption isotherm for removal of MG dye was studied against different models like Langmuir, Freundlich, Temkin, FloryHuggins isotherm models, however, the adsorption results were good fitted with Langmuir isotherm model (R2 = 0.9942). Additionally, various adsorption kinetic models: pseudo-first order, second order, pseudo-second order, and intra-particle diffusion models were studied for adsorption mechanism of MG dye on top of prepared nanocomposite surface. Finally, the antibacterial activity outcomes displayed that the prepared XG-g-PVI/MMT nanocomposites had excellent inhibition growth for bacteria and the antibacterial activity increased abruptly with the increased of MMT nanoclay concentrations.
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Affiliation(s)
| | - Emad S Goda
- Organic Nanomaterials Lab, Department of Chemistry, Hannam University, Daejeon 34054, Republic of Korea; Fire Protection Laboratory, National Institute of Standards, 136, Giza 12211, Egypt.
| | - Heba M Abdallah
- Department of Polymers and Pigments, National Research Center, Dokki, Giza 12622, Egypt
| | - Ahmed Esmail Shalan
- Central Metallurgical Research and Development Institute (CMRDI), P.O. Box 87, Helwan, Cairo 11421, Egypt; BCMaterials, Basque Center for Materials, Applications and Nanostructures, Martina Casiano, UPV/EHU Science Park, Barrio Sarriena s/n, Leioa 48940, Spain
| | - Heba Gamal
- Home Economy Department, Faculty of Specific Education, Alexandria University, Alexandria, Egypt
| | - Kuk Ro Yoon
- Organic Nanomaterials Lab, Department of Chemistry, Hannam University, Daejeon 34054, Republic of Korea.
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Huang HJ, Chang HW, Lin YW, Chuang SY, Lin YS, Shiao MH. Silicon-Based Ag Dendritic Nanoforests for Light-Assisted Bacterial Inhibition. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2244. [PMID: 33198184 PMCID: PMC7696993 DOI: 10.3390/nano10112244] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/03/2020] [Accepted: 11/09/2020] [Indexed: 11/16/2022]
Abstract
Silver dendritic nanoforests (Ag-DNFs) on silicon (Ag-DNFs/Si) were synthesized through the fluoride-assisted Galvanic replacement reaction (FAGRR) method. The synthesized Ag-DNFs/Si were characterized by scanning electron microscopy, energy-dispersive X-ray spectrometry, inductively coupled plasma mass spectrometry (ICP-MS), reflection absorbance spectrometry, surface-enhanced Raman scattering spectrometry, and X-ray diffractometry. The Ag+ concentration in ICP-MS measurements indicated 1.033 mg/cm2 of deposited Ag synthesized for 200 min on Si substrate. The optical absorbance spectra indicated the induced surface plasmon resonance of Ag DNFs increased with the thickness of the Ag DNFs layer. Surface-enhanced Raman scattering measurement and a light-to-heat energy conversion test presented the superior plasmonic response of Ag-DNFs/Si for advanced applications. The Ag-DNFs/Si substrate exhibited high antibacterial activity against Escherichia coli and Staphylococcus aureus. The large surface area of the dense crystal Ag DNFs layer resulted in high antibacterial efficiency. The plasmonic response in the metal-crystal Ag DNFs under external light illumination can supply energy to enhance bacterial inhibition. High-efficiency plasmonic heating by the dense Ag DNFs can lead to localized bacterial inhibition. Thus, the Ag-DNFs/Si substrate has excellent potential for antibacterial applications.
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Affiliation(s)
- Hung Ji Huang
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan;
| | - Han-Wei Chang
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan; (H.-W.C.); (S.-Y.C.)
| | - Yang-Wei Lin
- Department of Chemistry, National Changhua University of Education, Changhua 500207, Taiwan;
| | - Shao-Yi Chuang
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan; (H.-W.C.); (S.-Y.C.)
| | - Yung-Sheng Lin
- Department of Chemical Engineering, National United University, Miaoli 360001, Taiwan; (H.-W.C.); (S.-Y.C.)
| | - Ming-Hua Shiao
- Taiwan Instrument Research Institute, National Applied Research Laboratories, Hsinchu 300092, Taiwan;
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22
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Development of Sustainable Heterogeneous Catalysts for the Photocatalytic Treatment of Effluents. SUSTAINABILITY 2020. [DOI: 10.3390/su12187393] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The inadequate discharge of effluents from different sources without prior treatment can impact the characteristics of soil and water, which reflect serious environmental problems. Advanced oxidative processes (AOP) appear as a viable alternative for environmental remediation, including wastewater treatment. Herein, α-MoO3 and α-Fe2O3 semiconductors were synthesized at low temperature by a Pechini-based method and then applied in photocatalysis. The catalytic efficiency was performed under visible light toward the degradation of an organic persistent pollutant (Rhodamine B dye, RhB), commonly present in industries wastewater. The results indicated that the synthesized α-MoO3 or α-Fe2O3 photocatalysts presented a pronounced activity and promoted an efficient RhB degradation after 15 min of reaction. α-MoO3 had a degradation efficiency of 93% and 98%, while α-Fe2O3 showed 67% and 100% RhB degradation without and with the addition of H2O2, respectively. These results suggest that the synthesized oxides have high oxi-reductive capacity, which can be used for a fast and effective photodegradation of RhB and other organic persistent pollutants to minimize environmental impacts.
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23
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Comparative Study on the Influence of Noble Metal Nanoparticles (Ag, Au, Pd) on the Photocatalytic Activity of ZnO NPs Embedded in Renewable Castor Oil Polymer Matrices. MATERIALS 2020; 13:ma13163468. [PMID: 32781645 PMCID: PMC7475861 DOI: 10.3390/ma13163468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/30/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023]
Abstract
Hybrid polymeric materials, due to the unique combination of properties that can be obtained by the convenient variation of organic and inorganic components, represent an attractive alternative for many applications, especially photocatalysis. Herein, we report the preparation of nanocomposite films containing functionalized ZnO nanoparticles, as well as in situ photogenerated noble metal nanoparticles (Ag, Au, Pd), for the achieving of materials with enhanced photocatalytic activity under visible light. The flexible free-standing nanocomposite films were synthesized by photopolymerization of a monomer mixture (silane castor oil urethane dimethacrylate and polypropylene oxide urethane dimethacrylate) in the presence of a Irgacure 819 photoinitiator. The efficiency of ZnO NPs functionalization was established by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis, while the polymer composites were characterized by UV-Vis spectroscopy, X-ray diffraction, transmission electron microscopy and scanning electron microscopy to evidence the formation, size and distribution of the nanoparticles inside the photocrosslinked matrix. To establish the photocatalytic capacity of nanocomposite films, the decomposition of various pollutants (methyl orange, phenol, metronidazole) was monitored under visible light irradiation, the best results being obtained for Au/ZnO film. Also, the advantage of immobilizing the catalysts in a polymeric support and its recycling ability without a significant decrease in photocatalytic efficiency was analysed.
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Moradnia F, Taghavi Fardood S, Ramazani A, Gupta VK. Green synthesis of recyclable MgFeCrO4 spinel nanoparticles for rapid photodegradation of direct black 122 dye. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112433] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Photopolymerized Films with ZnO and Doped ZnO Particles Used as Efficient Photocatalysts in Malachite Green Dye Decomposition. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10061954] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Zinc oxide and zinc oxide doped with tin oxide (ZnO-SnO2) particles were synthesized and successfully incorporated into a polymeric matrix by the photopolymerization reaction in the presence of Irg819 as the photoinitiator. The obtained samples were investigated by means of XRD, ESEM/EDX, TEM, FTIR, and Raman spectroscopy. The ZnO particles were obtained in the form of rods agglomerated in flower (or star) structures with lengths of 2–4 μm and widths between 30 and 100 nm, while ZnO-SnO2 samples evolved in the form of cubes, with sides of 350 nm. The prepared composite films with ZnO and ZnO-SnO2 particles were tested in the photocatalytic degradation of malachite green (MG) dye. While the ZnO-based composite film showed a fairly high photocatalytic activity, the hybrid film containing ZnO doped with SnO2 displayed 100% photocatalytic activity after only 45 min of irradiation, being among the most efficient photocatalysts known for MG degradation. In addition, the recycling tests demonstrated that this film displayed high stability during the photocatalysis reaction since no decrease in the photocatalytic performance was noticed after the first three cycles, indicating its suitability for dyes removal and wastewater purification.
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Aziz A, Ali N, Khan A, Bilal M, Malik S, Ali N, Khan H. Chitosan‑zinc sulfide nanoparticles, characterization and their photocatalytic degradation efficiency for azo dyes. Int J Biol Macromol 2020; 153:502-512. [PMID: 32126200 DOI: 10.1016/j.ijbiomac.2020.02.310] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/22/2020] [Accepted: 02/26/2020] [Indexed: 01/27/2023]
Abstract
Herein, chitosan‑zinc sulfide nanoparticles (CS-ZnS-NPs) were developed as an efficient photocatalyst for the degradation of toxic dyes. The as-synthesized CS-ZnS-NPs were analyzed using XRD, FTIR, SEM, and EDS. The functional groups of CS-ZnS-NPs were validated with FTIR spectroscopy. The SEM envisaged the average particle size as 40 nm, whereas EDS interpreted the compositional analysis of the nanocomposite. XRD analysis illustrated the crystallinity and hexagonal crystal structure of the CS-ZnS-NPs. The photocatalytic efficiency of CS-ZnS-NPs was evaluated using two carcinogenic azo dyes, Acid Brown 98 and Acid Black 234. A UV lamp (254 nm) was used as an irradiation source during the photocatalytic degradation of dyes. At the optimum conditions, the synthesized CS-ZnS-NPs showed 96.7% degradation for Acid Black 234 in 100 min and 92.6% for Acid Brown 98 in 165 min. The degradation phenomena followed pseudo-first-order kinetics. The values of rate constant (k) were 0.01464 and 0.04096 min-1 with correlation coefficient (R2) of 0.98891 and 0.99406 for Acid Brown 98 and Acid Black 234, respectively. The CS-ZnS-NPs were easily recovered and recycled for four successive batches. The results showed that CS-ZnS-NPs are considered as highly productive, cost-effective and promising photocatalyst in degrading pollutants in several consecutive cycles.
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Affiliation(s)
- Aisha Aziz
- Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, National & Local Joint Engineering Research Center for Deep Utilization Technology of Rock-salt Resource, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian 223003, China; Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
| | - Nisar Ali
- Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province, National & Local Joint Engineering Research Center for Deep Utilization Technology of Rock-salt Resource, Faculty of Chemical Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Adnan Khan
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China.
| | - Sumeet Malik
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
| | - Nauman Ali
- Institute of Chemical Sciences, University of Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
| | - Hamayun Khan
- Department of Chemistry, Islamia College University, Peshawar 25120, Pakistan
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Abstract
In the present comprehensive review we have specifically focused on polymer nanocomposites used as photocatalytic materials in fine organic reactions or in organic pollutants degradation. The selection of the polymer substrates for the immobilization of the active catalyst particles is motivated by several advantages displayed by them, such as: Environmental stability, chemical inertness and resistance to ultraviolet radiations, mechanical stability, low prices and ease availability. Additionally, the use of polymer nanocomposites as photocatalysts offers the possibility of a facile separation and reuse of the materials, eliminating thus the post-treatment separation processes and implicitly reducing the costs of the procedure. This review covers the polymer-based photocatalytic materials containing the most popular inorganic nanoparticles with good catalytic performance under UV or visible light, namely TiO2, ZnO, CeO2, or plasmonic (Ag, Au, Pt, Pd) NPs. The study is mainly targeted on the preparation, photocatalytic activity, strategies directed toward the increase of photocatalytic efficiency under visible light and reuse of the hybrid polymer catalysts.
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Stejskal J. Interaction of conducting polymers, polyaniline and polypyrrole, with organic dyes: polymer morphology control, dye adsorption and photocatalytic decomposition. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00982-9] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Au/ZnO Hybrid Nanostructures on Electrospun Polymeric Mats for Improved Photocatalytic Degradation of Organic Pollutants. WATER 2019. [DOI: 10.3390/w11091787] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An innovative approach for the fabrication of hybrid photocatalysts on a solid porous polymeric system for the heterogeneous photocatalytic degradation of organic pollutants is herein presented. Specifically, gold/zinc oxide (Au/ZnO)-based porous nanocomposites are formed in situ by a two-step process. In the first step, branched ZnO nanostructures fixed on poly(methyl methacrylate) (PMMA) fibers are obtained upon the thermal conversion of zinc acetate-loaded PMMA electrospun mats. Subsequently, Au nanoparticles (NPs) are directly formed on the surface of the ZnO through an adsorption dipping process and thermal treatment. The effect of different concentrations of the Au ion solutions to the formation of Au/ZnO hybrids is investigated, proving that for 1 wt % of Au NPs with respect to the composite there is an effective metal–semiconductor interfacial interaction. As a result, a significant improvement of the photocatalytic performance of the ZnO/PMMA electrospun nanocomposite for the degradation of methylene blue (MB) and bisphenol A (BPA) under UV light is observed. Therefore, the proposed method can be used to prepare flexible fibrous composites characterized by a high surface area, flexibility, and light weight. These can be used for heterogeneous photocatalytic applications in water treatment, without the need of post treatment steps for their removal from the treated water which may restrict their wide applicability and cause secondary pollution.
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Zhong X, Ye XY, Wu D, Zhang KX, Huang W. A facile heterogeneous system for persulfate activation by CuFe2O4 under LED light irradiation. RSC Adv 2019; 9:32328-32337. [PMID: 35530784 PMCID: PMC9072953 DOI: 10.1039/c9ra05574f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 09/23/2019] [Indexed: 11/29/2022] Open
Abstract
In this study, the removal performance for rhodamine B (RB) by persulfate (PS) activated by the CuFe2O4 catalyst in a heterogeneous catalytic system under LED light irradiation was investigated. The effect of vital experimental factors, including initial solution pH, CuFe2O4 dosage, PS concentration, co-existing anion and initial RB concentration on the removal of RB was systematically studied. The removal of RB was in accordance with the pseudo first-order reaction kinetics. Over 96% of 20 mg L−1 RB was removed in 60 min using 0.5 g L−1 CuFe2O4 catalyst and 0.2 mM PS at neutral pH. In addition, free radical quenching experiments and electron spin resonance (EPR) experiments were performed, which demonstrated the dominant role of sulfate radical, photogenerated holes and superoxide radical in the CuFe2O4/PS/LED system. The morphology and physicochemical properties of the catalyst were characterized by XRD, SEM-EDS, TEM, N2 adsorption–desorption isotherm, UV-vis DRS, and XPS measurements. Moreover, 18.23% and 38.79% total organic carbon (TOC) removal efficiency was reached in 30 min and 60 min, respectively. The catalyst revealed good performance during the reusability experiments with limited iron and copper leaching. Eventually, the major intermediates in the reaction were detected by GC/MS, and the possible photocatalytic pathway for the degradation of RB in the CuFe2O4/PS/LED system was proposed. The results suggest that the CuFe2O4/PS/LED system has good application for further wastewater treatment. In this study, the removal performance for rhodamine B (RB) by persulfate (PS) activated by the CuFe2O4 catalyst in a heterogeneous catalytic system under LED light irradiation was investigated.![]()
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Affiliation(s)
- Xin Zhong
- Department of Environment Science and Engineering
- Beijing Normal University
- Zhuhai
- China
| | - Xiao-Yu Ye
- Department of Environment Science and Engineering
- Beijing Normal University
- Zhuhai
- China
| | - Di Wu
- Department of Environment Science and Engineering
- Beijing Normal University
- Zhuhai
- China
| | - Kai-Xin Zhang
- Department of Environment Science and Engineering
- Beijing Normal University
- Zhuhai
- China
| | - Wei Huang
- Department of Environment Science and Engineering
- Beijing Normal University
- Zhuhai
- China
| |
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