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Singh S, Yadav RK, Umar A, Ibrahim AA, Kim TW, Singh AP, Kumar R, Chaudhary S, Dwivedi DK, Singh RV, Gupta NK, Singh C, Baeg JO, Baskoutas S. Transformation of PMMA from sunlight-blocking to sunlight-activated coupled with DNH photocatalytic platform for oxidative coupling of amines and generation/regeneration of LDC/NADH. Photochem Photobiol 2024; 100:1247-1261. [PMID: 38088069 DOI: 10.1111/php.13888] [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: 06/16/2023] [Revised: 10/21/2023] [Accepted: 10/27/2023] [Indexed: 09/25/2024]
Abstract
The photocatalytic oxidation and generation/regeneration of amines to imines and leucodopaminechrome (LDC)/NADH are subjects of intense interest in contemporary research. Imines serve as crucial intermediates for the synthesis of solar fuels, fine chemicals, agricultural chemicals, and pharmaceuticals. While significant progress has been made in developing efficient processes for the oxidation and generation/regeneration of secondary amines, the oxidation of primary amines has received comparatively less attention until recently. This discrepancy can be attributed to the high reactivity of imines generated from primary amines, which are prone to dehydrogenation into nitriles. In this study, we present the synthesis and characterization of a novel polymer-based photocatalyst, denoted as PMMA-DNH, designed for solar light-harvesting applications. PMMA-DNH incorporates the light-harvesting molecule dinitrophenyl hydrazine (DNH) at varying concentrations (5%, 10%, 20%, 30%, and 40%). Leveraging its high molar extinction coefficient and slow charge recombination, the 30% DNH-incorporated PMMA photocatalyst proves to be particularly efficient. This photocatalytic system demonstrates exceptional yields (96.5%) in imine production and high generation/regeneration rates for LDC/NADH (65.27%/78.77%). The research presented herein emphasizes the development and application of a newly engineered polymer-based photocatalyst, which holds significant promise for direct solar-assisted chemical synthesis in diverse commercial applications.
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Affiliation(s)
- Satyam Singh
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Rajesh K Yadav
- Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, Saudi Arabia
- Department of Materials Science and Engineering, The Ohio State University, Columbus, Ohio, USA
| | - Ahmed A Ibrahim
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, Saudi Arabia
| | - Tae Wu Kim
- Department of Chemistry, Mokpo National University, Muan-gun, Korea
| | | | - Rajesh Kumar
- Department of Chemistry, Banaras Hindu University, Varanasi, India
| | - Sandeep Chaudhary
- Department of Medicinal Chemistry, Laboratory of Organic and Medicinal Chemistry, NIPER, Raebareli, India
| | - Dilip K Dwivedi
- Department of Physics and Materials Science, Madan Mohan Malaviya University of Technology, Gorakhpur, India
| | - Ravindra Vikram Singh
- R&D, Technology and Innovation, Merck-Living Innovation, Sigma Aldrich Chemicals Pvt. Ltd., Bengaluru, India
| | - Navneet Kumar Gupta
- Centre for Sustainable Technologies, IISC Bangalore Gulmohar Marg, Bangalore, India
| | - Chandani Singh
- Korea Research Institute of Chemical Technology, Daejeon, South Korea
| | - Jin-O Baeg
- Korea Research Institute of Chemical Technology, Daejeon, South Korea
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Gharghish S, Dekamin MG, Banakar SH. Functionalized graphene oxide by 4-amino-3-hydroxy-1-naphthalenesulfonic acid as a heterogeneous nanocatalyst for the one-pot synthesis of tetraketone and tetrahydrobenzo[ b]pyran derivatives under green conditions. NANOSCALE ADVANCES 2024; 6:3911-3922. [PMID: 39050950 PMCID: PMC11265595 DOI: 10.1039/d4na00223g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 05/23/2024] [Indexed: 07/27/2024]
Abstract
4-Amino-3-hydroxy-1-naphthalenesulfonic acid-functionalized graphene oxide (GO-ANSA) was prepared and characterized using different spectroscopic, microscopic and analytical methods including energy-dispersive X-ray spectroscopy (EDS), EDS elemental mapping, Fourier-transform infrared (FT-IR) spectroscopy, field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), and thermogravimetry/differential thermogravimetry analysis (TGA/DTA). The obtained nanomaterial was used as a novel, highly efficient, and reusable solid acid carbocatalyst for the one-pot three-component synthesis of tetraketone, as well as tetrahydrobenzo[b]pyran derivatives via tandem Knoevenagel-Michael reactions under green conditions. All of the derivatives were prepared in EtOH, as a green solvent, under reflux conditions in high to excellent yields and very short reaction times. The nanocatalyst was recovered and reused at least five times without significant reduction in its activity. In addition, the absence of toxic transition metals, high to excellent yields, mild reaction conditions, simple procedure for the separation and purification of products, stability, and recycling of the catalyst are the most important advantages of this green procedure.
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Affiliation(s)
- Sara Gharghish
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Mohammad G Dekamin
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Sepideh Hasanzadeh Banakar
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
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3
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Swedha M, Okla MK, Abdel-Maksoud MA, Balasurya S, Al-Amri SS, Alaraidh IA, Alatar AA, Alsakkaf WAA, Khan SS. Construction of Ag/CdZnS QDs nanocomposite for enhanced visible light photoinactivation of Staphylococcus aureus. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 348:123749. [PMID: 38521393 DOI: 10.1016/j.envpol.2024.123749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 03/07/2024] [Accepted: 03/07/2024] [Indexed: 03/25/2024]
Abstract
With increasing use of antibiotics, the development of antibiotic-resistant pathogens poses a serious threat to human health and the environment. Photocatalytic inactivation of these harmful pathogens is one of the novel and non-antibiotic treatments. The study fabricated Ag NPs decorated CdZnS QDs via a facile and biological co-precipitation method using L. camara plant extract as a green alternative to treat the toxic chemicals. The fabricated Ag/CdZnS QDs (NCs) were prepared for the efficient treatment of antibiotic-resistant pathogens as they raise a major global concern. The fabricated NCs were characterized with various characterization techniques to verify its physicochemical properties. The fabricated NCs have shown excellent photo-sterilization performance of 97 % against S. aureus. The excellent activity was attributed to the decoration of Ag NPs on CdZnS QDs as it helped in shortening band gap, improved visible light absorption ability, increased active sites, and boosted photogenerated electron/hole pairs stability. Radical trapping experiment and ESR analysis indicated the involvement of •OH and h+ in the photoinactivation of bacteria. The photo sterilization reaction of NCs was carried out under different environmental conditions, including light and dark conditions and different pH conditions. The experiment was carried out in sewage-treated water in order to test the real-time application, and the fabricated NCs achieved excellent 95.9 % photo-inactivation of S. aureus cells in sewage treated water and the Chemical Oxygen Demand (COD) of the system was increased after photo inactivation treatment. The fabricated NCs have also shown excellent reusable efficiency of 95% after six runs and the photostability and anti-corrosive nature of NCs were confirmed. The study provides an insight for the employment of photocatalysis for the sterilization of pathogens in real time aquatic environment across the globe.
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Affiliation(s)
- M Swedha
- Nanobiotechnology Laboratory, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Tamil Nadu, India
| | - Mohammad K Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mostafa A Abdel-Maksoud
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - S Balasurya
- Nanobiotechnology Laboratory, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Tamil Nadu, India; Centre Énergie, Matériaux et Télécommunications, INRS, Varennes, Québec, J3X1S2, Canada
| | - Saud S Al-Amri
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ibrahim A Alaraidh
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdulrahman A Alatar
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Waleed A A Alsakkaf
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - S Sudheer Khan
- Department of Oral Medicine and Radiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077, Tamil Nadu, India.
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Habib A, Khan MS, Zubair M, Hasan IU. Ni-Doped In 2O 3 Nanoparticles and Their Composite with rGO for Efficient Degradation of Organic Pollutants in Wastewater under Visible Light Irradiation. Int J Mol Sci 2023; 24:ijms24097950. [PMID: 37175664 PMCID: PMC10178878 DOI: 10.3390/ijms24097950] [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: 03/29/2023] [Revised: 04/15/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
The efficient degradation of organic effluent is always desirable when using advanced photocatalysts with enhanced activity under visible light. Nickel-doped indium oxide (Ni-In2O3) is synthesized via a hydrothermal route as well as its composites with reduced graphene oxide (rGO). Facile synthesis and composite formation methods lead to a well-defined morphology of fabricated nanocomposite at low temperatures. The bandgap energy of indium oxide lies in the range of 3.00-4.30 eV. Its high light absorption capacity, high stability, and non-toxicity make it a choice as a photocatalyst that is active under visible light. The transition metal Ni-doping changes the indium oxide's chemical, optical, and physicochemical properties. The Ni-In2O3 and rGO composites improved the charge transport and reduced the charge recombination. The phase analysis of the developed photocatalysts was performed using X-ray diffraction (XRD), and the morphological and structural properties were observed using advanced microscopic techniques (SEM and TEM), while UV-vis and FTIR spectroscopic techniques were used to confirm the structure and optical and chemical properties. The electrochemical properties of the photocatalysts were investigated using cyclic voltammetry (CV), linear sweep voltammetry (LSV), and electrochemical impedance spectroscopy (EIS), and the charge-transfer properties of the obtained photocatalysts and the mechanism of the photocatalytic degradation mechanism of methylene blue, a common dye used in the dyeing industry, were determined.
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Affiliation(s)
- Amir Habib
- Department of Physics, College of Science, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 39524, Saudi Arabia
| | - Muhammad Shahzeb Khan
- Department of Mechanical Engineering, College of Engineering, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 39524, Saudi Arabia
| | - Muhammad Zubair
- Department of Physics, College of Science, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 39524, Saudi Arabia
| | - Iftikhar Ul Hasan
- Department of Physics, College of Science, University of Hafr Al Batin, P.O. Box 1803, Hafr Al Batin 39524, Saudi Arabia
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5
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Raja A, Son N, Kang M. Reduced graphene oxide decorated transition metal manganese vanadium oxide nanorods for electrochemical supercapacitors and photocatalytic degradation of pollutants in water. J Taiwan Inst Chem Eng 2023. [DOI: 10.1016/j.jtice.2023.104762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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6
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Photo-Oxidation of Organic Dye by Fe2O3 Nanoparticles: Catalyst, Electron Acceptor, and Polyurethane Membrane (PU-Fe2O3) Effects. JOURNAL OF NANOTECHNOLOGY 2023. [DOI: 10.1155/2023/1292762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
The textile industry’s discharges have long been regarded as severe water pollution. The photocatalytic degradation of dyes using semiconductors is one of the crucial methods. The present study efficiently used the mechanical method to synthesize Iron oxide Nanoparticles. XRD, FT-IR, UV-Vis DRS, and Raman analyses were performed to analyze the structural and optical. From the data provided by XRD and Raman data, we believed that the as-synthesized Iron oxide was pure hematite (α-Fe2O3) with a hexagonal structure. Additionally, the EDS results show that the synthesized material is pure. By adjusting specific parameters, including the dye concentration, the catalyst dosage, the pH, and the oxidizing agent such as H2O2 and K2S2O8, the degradation of eosin yellowish using Fe2O3 as a photocatalyst has been discussed. Additionally, the kinetics of eosin yellowish degradation has been studied. A study was also conducted using Fe2O3 nanoparticles attached to polyurethane polymer (PU) to investigate its photocatalytic activity on methylene blue, methyl orange, and indigo carmine. In 30 minutes, nearly 90% of the dyes had degraded. The total organic carbon (TOC) analysis confirmed this result.
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Mendoza‐Mendoza E, España‐Sánchez BL, Montes‐Luna ADJ, Castruita‐de León G. Effect of poly(ether block amide)‐graphene/
ZnO
membranes in mixed gas separation performance. J Appl Polym Sci 2022. [DOI: 10.1002/app.53453] [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]
Affiliation(s)
- Esmeralda Mendoza‐Mendoza
- CONACYT ‐ Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas y Centro de Investigación en Ciencias de la Salud y Biomedicina (CICSAB) Universidad Autónoma de San Luis Potosí San Luis Potosí Mexico
| | - Beatriz Liliana España‐Sánchez
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica CIDETEQ S. C., Parque Tecnológico Querétaro Querétaro Mexico
| | - Angel de Jesús Montes‐Luna
- Centro de Investigación Científica de Yucatán A. C. (CICY), Laboratorio de Membranas, Unidad de Materiales Mérida Mexico
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8
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Enhanced UV-light active α-Bi2O3 nanoparticles for the removal of Methyl Orange and Ciprofloxacin. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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9
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Sharma A, Hosseini-Bandegharaei A, Kumar N, Kumar S, Kumari K. Insight into ZnO/carbon hybrid materials for photocatalytic reduction of CO2: An in-depth review. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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10
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Wary RR, Brahma D, Banoo M, Gautam UK, Kalita P, Baruah MB. Role of interfacial contact between 2D materials and preselected nanostructures in the degradation of toxic dyes: Multifunctional facets of graphene. ENVIRONMENTAL RESEARCH 2022; 214:113948. [PMID: 35940228 DOI: 10.1016/j.envres.2022.113948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 07/16/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Designing intimate interfacial contact between nanostructures and two-dimensional (2D) materials is highly desirable to influence the movement of generated charge carriers. Nanostructured zinc oxide (ZnO) is a fascinating material with unique optical and electrical properties. 2D reduced graphene oxide (rGO) exhibits semiconductor behaviour with tunable catalytic activity and excellent biocompatibility. Hence, we have designed a hybrid material by selecting nanostructures of an oxide semiconductor (ZnO) with reduced graphene oxide (rGO) using a hard integration technique followed by a low-temperature hydrothermal route. The good encapsulation of rGO over the ZnO nanorods was confirmed by powder X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. The photocatalytic activities of ZnO, rGO, and ZnO/rGO were studied under visible-light irradiation using three different toxic dyes, methylene blue (MB), methyl orange (MO), and Congo red (CR). The composite materials exhibited excellent efficiencies of 100, 95, and 90% for the degradation of MB, MO, and CR, respectively. Moreover, the degradation of the dye was found to follow first-order kinetics. The enhanced efficiencies are attributed to the adsorption and efficient charge transfer from rGO to the conduction band of ZnO. The role of the multifunctional facets of graphene was presented to elucidate the visible-light activity of the composite materials for enhanced efficiency. The main reactive species (e-) of the reduction reaction were confirmed through a radical trapping experiment, which showed the generation of highly reactive •OH radicals that decompose the toxic dye. The results provide a perspective for developing graphene-based composite materials with desired preselected nanostructures for solar energy utilisation.
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Affiliation(s)
- Riu Riu Wary
- Department of Physics, Central Institute of Technology Kokrajhar (Deemed to be University, MoE, Govt. of India), Kokrajhar, 783370, Assam, India
| | - Dulu Brahma
- Department of Chemistry, Central Institute of Technology Kokrajhar (Deemed to be University, MoE, Govt. of India), Kokrajhar, 783370, Assam, India
| | - Maqsuma Banoo
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81, SAS Nagar, Manauli, 140306, India
| | - Ujjal K Gautam
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Knowledge City, Sector 81, SAS Nagar, Manauli, 140306, India
| | - Pranjal Kalita
- Department of Chemistry, Central Institute of Technology Kokrajhar (Deemed to be University, MoE, Govt. of India), Kokrajhar, 783370, Assam, India.
| | - Manasi Buzar Baruah
- Department of Physics, Central Institute of Technology Kokrajhar (Deemed to be University, MoE, Govt. of India), Kokrajhar, 783370, Assam, India.
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11
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Swedha M, Okla MK, Al-Amri SS, Alaraidh IA, Al-Ghamdi AA, Mohebaldin A, Abdel-Maksoud MA, Aufy M, Studenik CR, Thomas AM, Raju LL, Khan SS. Green synthesis of two-electron centre based ZnO/NiCo 2S 4 QDs-OVs using Punica granatum fruit peel extract for an exceptional visible light photocatalytic degradation of doxycycline and ciprofloxacin. CHEMOSPHERE 2022; 304:135225. [PMID: 35697102 DOI: 10.1016/j.chemosphere.2022.135225] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Biosynthesis of nanomaterials using plant extract makes them attractive in the field of photocatalysis as they are environmental friendly. The current study focused on the biosynthesis of ZnO/NiCo2S4 QDs (NCs) using Punica granatum fruit peel extract as the reducing agent. The nanomaterials were characterized with XRD, FTIR, Raman, SEM, TEM, UV-vis DRS, BET, PL, EIS, and ESR analysis and were used for photocatalytic degradation of doxycycline (DOX) and ciprofloxacin (CIP). The bandgap of ZnO is 3.2 eV, and the decoration of NiCo2S4 QDs aids in narrowing the bandgap (2.8 eV), making the NCs visible light active. The fabricated NCs achieved 99 and 89% degradation of DOX and CIP respectively. The photocatalytic efficiency of ZnO/NiCo2S4 QDs was much higher compared to individual ZnO and NiCo2S4 QDs. The half-life period of DOX and CIP were evaluated to be 58 and 152 min respectively. The percentage of TOC removal in the photodegraded product of DOX and CIP was estimated to be 99 and 89% respectively, indicating the mineralization of the compounds. The enhanced photocatalytic efficiency of the NCs was attributed to the narrowed visible light active bandgap, synergistic charge transfer across the interface, and lower charge recombination. The intermediates formed during the photocatalytic degradation of DOX and CIP were analyzed using GC-MS/MS analysis, and the photodegradation pathway was elucidated. Also, the toxicity of the intermediates was computationally analyzed using ECOSAR software. The fabricated ZnO/NiCo2S4 QDs have excellent stability and reusability, confirmed by XRD and XPS analysis. The reusable efficiency of the NCs for the photocatalytic degradation of DOX and CIP were 98.93, and 99.4% respectively. Thus, the biologically fabricated NCs are shown to be an excellent photocatalyst and have wide applications in environmental remediation.
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Affiliation(s)
- M Swedha
- Nanobiotechnology Laboratory, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Tamil Nadu, India
| | - Mohammad K Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Saud S Al-Amri
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ibrahim A Alaraidh
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Abdullah A Al-Ghamdi
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Asmaa Mohebaldin
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mostafa A Abdel-Maksoud
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mohammed Aufy
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria
| | - Christian R Studenik
- Department of Pharmaceutical Sciences, Division of Pharmacology and Toxicology, University of Vienna, Austria
| | - Ajith M Thomas
- Department of Botany and Biotechnology, St Xavier's College, Thumba, Thiruvananthapuram, India
| | - Lija L Raju
- Department of Zoology, Mar Ivanios College, Nalanchira, Thiruvananthapuram, India
| | - S Sudheer Khan
- Nanobiotechnology Laboratory, Department of Biotechnology, Bannari Amman Institute of Technology, Sathyamangalam, Tamil Nadu, India.
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Green synthesis of RGO-ZnO mediated Ocimum basilicum leaves extract nanocomposite for antioxidant, antibacterial, antidiabetic and photocatalytic activity. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2022.101438] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Kim EB, Imran M, Lee EH, Akhtar MS, Ameen S. Multiple ions detection by field-effect transistor sensors based on ZnO@GO and ZnO@rGO nanomaterials: Application to trace detection of Cr (III) and Cu (II). CHEMOSPHERE 2022; 286:131695. [PMID: 34426124 DOI: 10.1016/j.chemosphere.2021.131695] [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: 06/04/2021] [Revised: 07/19/2021] [Accepted: 07/25/2021] [Indexed: 05/08/2023]
Abstract
This work narrates the preparation of efficient nanomaterials framework of zinc oxide (ZnO) nanoglobules (NGs) with graphene oxide (GO) and reduced graphene oxide (rGO) for the fabrication of rapid multiple ion field-effect transistor (MI-FET) sensors. Prepared ZnO-NGs@GO and ZnO-NGs@rGO nanocomposites were broadly analyzed by different analytical techniques to study their morphological, structural, compositional, and electrochemical properties. As electrode materials, ZnO-NGs@GO and ZnO-NGs@rGO were used to fabricate MI-FETs sensor for the detection of multiple ions such as Ni (II), Co (II), Cu (II), Cr (III), Fe (II), and Bi (II) ions. ZnO-NGs@GO and ZnO-NGs@rGO modified MI-FETs sensor exhibited excellent responses towards Cr (III) and Cu (II) ions, which presented the remarkable sensitivities of ~49.28 mA μM-1. cm-2 (Cr (III) ions) and ~185.32 mA μM-1. cm-2 (Cu (II) ions), respectively. The fabricated MI-FETs sensor displayed good dynamic linear detection of ions with low limit of detection (LOD) values of ~7.05 μM and ~14.9 μM for ZnO-NGs@GO and ZnO-NGs@rGO electrodes, respectively. Efficient charge transfer over electrode considerably enhanced the trace detection of Cr (III) and Cu (II) ions. The fabricated MI-FETs sensor platform exhibited extraordinary reproducibility and excellent stability of sensing performance and thus, confirmed delightful potential to sprout a useful tool for water maintaining system.
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Affiliation(s)
- Eun-Bi Kim
- School of Chemical Engineering, Jeonbuk National University, Jeonbuk, 54896, Republic of Korea; Advanced Materials and Devices Laboratory, Department of Bio-Convergence Science, Advance Science Campus, Jeonbuk National University, 56212, Republic of Korea
| | - M Imran
- Advanced Materials and Devices Laboratory, Department of Bio-Convergence Science, Advance Science Campus, Jeonbuk National University, 56212, Republic of Korea
| | - Eun-Hee Lee
- School of Chemical Engineering, Jeonbuk National University, Jeonbuk, 54896, Republic of Korea; Advanced Materials and Devices Laboratory, Department of Bio-Convergence Science, Advance Science Campus, Jeonbuk National University, 56212, Republic of Korea
| | - M Shaheer Akhtar
- New & Renewable Energy Material Development Center (NewREC), Jeonbuk National University, Jeonbuk, Republic of Korea.
| | - Sadia Ameen
- Advanced Materials and Devices Laboratory, Department of Bio-Convergence Science, Advance Science Campus, Jeonbuk National University, 56212, Republic of Korea.
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Nisar A, Saeed M, Muneer M, Usman M, Khan I. Synthesis and characterization of ZnO decorated reduced graphene oxide (ZnO-rGO) and evaluation of its photocatalytic activity toward photodegradation of methylene blue. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:418-430. [PMID: 33745046 DOI: 10.1007/s11356-021-13520-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 03/15/2021] [Indexed: 06/12/2023]
Abstract
Photocatalytic treatment is one of the techniques used for the treatment of dyes-contaminated wastewater. It is important to develop an effective visible-light-driven catalyst for the treatment of dyes-contaminated wastewater. This study reports the synthesis of ZnO-reduced graphene oxide catalyst for the degradation of methylene blue. Graphene oxide was prepared by Hammer and Offeman process, while ZnO-rGO (1:1) was prepared by the chemical reduction method. The prepared ZnO-rGO composite was characterized by XRD, TEM, SEM, UV-Vis, DRS, N2 adsorption-desorption, FTIR, and XPS analyses. The photocatalytic activity was evaluated by photodegradation of methylene blue solution under irradiation. It was found that ZnO-rGO is capable of removing the dye from water and achieved the highest dye degradation efficiency of ~99% within 60 min. Furthermore, the ZnO-rGO was recycled in degradation experiments without any loss in its catalytic performance. The reaction kinetics was described in terms of the Langmuir-Hinshelwood mechanism, one of the kinetics mechanisms of surface catalyzed reaction. 36.2 and 13.1 kJ/mol were calculated as the apparent and true activation energy for photodegradation of methylene blue respectively.
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Affiliation(s)
- Asif Nisar
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Saeed
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan.
| | - Majid Muneer
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Usman
- Department of Chemistry, Government College University Faisalabad, Faisalabad, Pakistan
| | - Iltaf Khan
- College of Chemical and Materials Engineering, Beijing Institute of Petrochemical Technology, Beijing, China
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15
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Jamjoum HAA, Umar K, Adnan R, Razali MR, Mohamad Ibrahim MN. Synthesis, Characterization, and Photocatalytic Activities of Graphene Oxide/metal Oxides Nanocomposites: A Review. Front Chem 2021; 9:752276. [PMID: 34621725 PMCID: PMC8490810 DOI: 10.3389/fchem.2021.752276] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/09/2021] [Indexed: 12/28/2022] Open
Abstract
Sustainable water processing techniques have been extensively investigated and are capable of improving water quality. Among the techniques, photocatalytic technology has shown great potential in recent years as a low cost, environmentally friendly and sustainable technology. However, the major challenge in the industrial development of photocatalyst technology is to develop an ideal photocatalyst which must have high photocatalytic activity, a large specific surface area, harvest sunlight and shows recyclability. Keeping these views, the present review highlighted the synthesis approaches of graphene/metal oxide nanocomposite, characterization techniques and their prominent applications in photocatalysis. Various parameters such as photocatalyst loading, structure of photocatalyst, temperature, pH, effect of oxidizing species and wavelength of light were addressed which could affect the rate of degradation. Moreover, the formation of intermediates during photo-oxidation of organic pollutants using these photocatalysts is also discussed. The analysis concluded with a synopsis of the importance of graphene-based materials in pollutant removal. Finally, a brief overview of the problems and future approaches in the field is also presented.
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Affiliation(s)
- Hayfa Alajilani Abraheem Jamjoum
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
- Department of Chemistry, Faculty of Science, University of Sabratha, Sabratha, Libya
| | - Khalid Umar
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Rohana Adnan
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Mohd. R. Razali
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
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16
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Das P, Tantubay K, Ghosh R, Dam S, Baskey Sen M. Transformation of CuS/ZnS nanomaterials to an efficient visible light photocatalyst by 'photosensitizer' graphene and the potential antimicrobial activities of the nanocomposites. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:49125-49138. [PMID: 33932204 DOI: 10.1007/s11356-021-14068-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 04/19/2021] [Indexed: 06/12/2023]
Abstract
We report the growth of CuS/ZnS (CZS) nanoparticles (NPs) on the graphene sheet by a facile green synthesis process. The CuS/ZnS-graphene (CZSG) nanocomposites exhibit enhanced visible light photocatalytic activity towards organic dye (methylene blue) degradation than that of CZS nanoparticles. To find the reason for the enhanced photo-activity, we propose a new photocatalytic mechanism where graphene in the CZSG nanocomposites acts as a 'photosensitizer' for CZS nanoparticles. This distinctive photocatalytic mechanism is noticeably different from all other previous research works on semiconductor-graphene hybrid photocatalysts where graphene behaves as an electron reservoir to capture the electrons from photo-excited semiconductor. This novel idea of the photocatalytic mechanism in semiconductor-graphene photocatalysts could draw a new track in thinking for designing of graphene-based photocatalysts for solving environmental pollution problems and they also show remarkable antimicrobial activities.
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Affiliation(s)
- Piu Das
- Materials Research Laboratory, Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, West Bengal, 713104, India
| | - Kartik Tantubay
- Materials Research Laboratory, Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, West Bengal, 713104, India
| | - Raktim Ghosh
- Department of Microbiology, The University of Burdwan, Burdwan, West Bengal, 713104, India
| | - Somasri Dam
- Department of Microbiology, The University of Burdwan, Burdwan, West Bengal, 713104, India
| | - Moni Baskey Sen
- Materials Research Laboratory, Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, West Bengal, 713104, India.
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17
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Unravelling the Role of Synthesis Conditions on the Structure of Zinc Oxide-Reduced Graphene Oxide Nanofillers. NANOMATERIALS 2021; 11:nano11082149. [PMID: 34443981 PMCID: PMC8399407 DOI: 10.3390/nano11082149] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/18/2021] [Accepted: 08/19/2021] [Indexed: 02/06/2023]
Abstract
The diversity of zinc oxide (ZnO) particles and derived composites applications is highly dependent on their structure, size, morphology, defect amounts, and/or presence of dopant molecules. In this work, ZnO nanostructures are grown in situ on graphene oxide (GO) sheets by an easily implementable solvothermal method with simultaneous reduction of GO. The effect of two zinc precursors (zinc acetate (ZA) and zinc acetate dihydrate (ZAD)), NaOH concentration (0.5, 1 or 2 M), and concentration (1 and 12.5 mg/mL) and pH (pH = 1, 4, 8, and 12) of GO suspension were evaluated. While the ZnO particle morphology shows to be precursor dependent, the average particle size length decreases with lower NaOH concentration, as well as with the addition of a higher basicity and concentration of GO suspension. A lowered band gap and a higher specific surface area are obtained from the ZnO composites with higher amounts of GO suspension. Otherwise, the low concentration and the higher pH of GO suspension induce more lattice defects on the ZnO crystal structure. The role of the different condition parameters on the ZnO nanostructures and their interaction with graphene sheets was observed to tune the ZnO–rGO nanofiller properties for photocatalytic and antimicrobial activities.
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18
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Sahu BK, Juine RN, Sahoo M, Kumar R, Das A. Interface of GO with SnO 2 quantum dots as an efficient visible-light photocatalyst. CHEMOSPHERE 2021; 276:130142. [PMID: 33744649 DOI: 10.1016/j.chemosphere.2021.130142] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/18/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Abstract
Graphene oxide (GO) with beneficial functional groups regulates the surface chemistry for catalytic applications. However, the low electrical conductivity of GO invokes further treatments that compromise the above-valued properties. We report an interfacial engineering of GO decorated with SnO2 quantum dots (QDs) for the visible-light-driven catalysis of dye degradation. Retention of beneficial functional features of GO and QDs in the GO-SnO2 composite is established by using TEM, FTIR, and Raman spectroscopy techniques. Further, investigations with EXAFS and lifetime-measurements provide the local structure and defects distributions in QDs which are correlated with the improved conductivity. PL and electrochemical impedance spectroscopic measurements help unraveling the charge-transfer across the interface of the GO-SnO2 composite. The unique ability of ∼94% degradation of MB using only 0.5 mg of GO-SnO2 catalyst within half an hour under the visible light is demonstrated for the first time with insights on the photocatalytic mechanism.
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Affiliation(s)
- Binaya Kumar Sahu
- Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, 603102, India.
| | - Rabindra Nath Juine
- Health Physics Unit, Nuclear Recycle Board, Bhabha Atomic Research Centre Facilities, HBNI, Kalpakkam, 603102, India
| | - Madhusmita Sahoo
- Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, 603102, India
| | - Ravi Kumar
- Atomic & Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
| | - A Das
- Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, Homi Bhabha National Institute, Kalpakkam, 603102, India.
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19
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Dhandapani P, AlSalhi MS, Karthick R, Chen F, Devanesan S, Kim W, Rajasekar A, Ahmed M, Aljaafreh MJ, Muhammad A. Biological mediated synthesis of RGO-ZnO composites with enhanced photocatalytic and antibacterial activity. JOURNAL OF HAZARDOUS MATERIALS 2021; 409:124661. [PMID: 33288337 DOI: 10.1016/j.jhazmat.2020.124661] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/07/2020] [Accepted: 11/20/2020] [Indexed: 05/22/2023]
Abstract
In this study, we reported the biological approach to synthesis of ZnO nanorod (NR) on the reduced graphene oxide (RGO) for photocatalytic, antibacterial activity and hydrogen production under sunlight. Bacillus subtilis played a vital role in the production of biogenic ammonia from synthetic urine and utilized for the synthesis of ZnONR on the RGO sheet. The morphological study revealed that RGO sheets displayed a tremendous role in anchoring ZnONR. XRD patterns showed the ZnO crystal phase on the RGO sheets. XPS and Raman spectra confirmed that the bio-hydrothermal method as suitable for GO converted into RGO. The transient photocurrent and I/V measurement are exhibited as an increment on the RGO-ZnONR compared to ZnONR. The RGO-ZnONR composites showed excellent performance with decolorization of MB and textile dyes and efficient control of the E. coli and S. aureus. RGO-ZnONR exhibited remarkable noted as a higher photocatalytic hydrogen evolution rate (940 μmol/h/gcat) than the ZnONR (369.5 μmol/h/g cat). As a result of photocatalytic performance to correlate with sunlight intensity was extensively studied. RGO plays an essential role in interface electron transfer from sunlight to ZnONR for enhancing •OH radical formation to cleavage of dye color substance and eradicated bacterial cells.
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Affiliation(s)
- Perumal Dhandapani
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamilnadu, India
| | - Mohamad S AlSalhi
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Ramalingam Karthick
- Guangdong Engineering Technology Research Center of Efficient Green Energy and Environment Protection Materials, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006. PR China
| | - Fuming Chen
- Guangdong Engineering Technology Research Center of Efficient Green Energy and Environment Protection Materials, Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006. PR China
| | - Sandhanasamy Devanesan
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Woong Kim
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, South Korea
| | - Aruliah Rajasekar
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamilnadu, India.
| | - Mukhtar Ahmed
- Department of Zoology, Central Laboratory, College of Science, King Saud University, P.O. Box-2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Mamduh J Aljaafreh
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Atif Muhammad
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
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20
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Chakraborty B, Das A, Mandal N, Samanta N, Das N, Chaudhuri CR. Label free, electric field mediated ultrasensitive electrochemical point-of-care device for CEA detection. Sci Rep 2021; 11:2962. [PMID: 33536505 PMCID: PMC7859218 DOI: 10.1038/s41598-021-82580-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/20/2021] [Indexed: 01/09/2023] Open
Abstract
Developing point-of-care (PoC) diagnostic platforms for carcinoembryonic antigen detection is essential. However, thefew implementations of transferring the signal amplification strategies in electrochemical sensing on paper-based platforms are not satisfactory in terms of detection limit (LOD). In the quest for pushing down LOD, majority of the research has been targeted towards development of improved nanostructured substrates for entrapping more analyte molecules and augmenting the electron transfer rate to the working electrode. But, such approaches have reached saturation. This paper focuses on enhancing the mass transport of the analyte towards the sensor surface through the application of an electric field, in graphene-ZnO nanorods heterostructure. These hybrid nanostructures have been deposited on flexible polyethylene terephthalate substrates with screen printed electrodes for PoC application. The ZnO nanorods have been functionalized with aptamers and the working sensor has been integrated with smartphone interfaced indigenously developed low cost potentiostat. The performance of the system, requiring only 50 µl analyte has been evaluated using electrochemical impedance spectroscopy and validated against commercially available ELISA kit. Limit of detection of 1 fg/ml in human serum with 6.5% coefficient of variation has been demonstrated, which is more than three orders of magnitude lower than the existing attempts on PoC device.
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Affiliation(s)
- B Chakraborty
- Department of Electronics and Telecommunication Engineering, Indian Institute of Engineering Science and Technology, Shibpur, West Bengal, 711103, India
| | - A Das
- Department of Electronics and Telecommunication Engineering, Indian Institute of Engineering Science and Technology, Shibpur, West Bengal, 711103, India
| | - N Mandal
- School of Electrical Sciences, Indian Institute of Technology Goa, Ponda, 403401, Goa, India
| | - N Samanta
- Department of Electronics and Communication Engineering, Techno India University, Sector V, Kolkata, 700091, West Bengal, India
| | - N Das
- Department of Electronics and Communication Engineering, KL University, Green Fields, Vaddeswaram, Andhra Pradesh, 522502, India
| | - C Roy Chaudhuri
- Department of Electronics and Telecommunication Engineering, Indian Institute of Engineering Science and Technology, Shibpur, West Bengal, 711103, India.
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21
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Effects of microencapsulated abamectin on the mechanical, cross-linking, and release properties of PBS. Colloids Surf B Biointerfaces 2020; 196:111290. [PMID: 32829100 DOI: 10.1016/j.colsurfb.2020.111290] [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: 02/12/2020] [Revised: 06/24/2020] [Accepted: 07/27/2020] [Indexed: 11/20/2022]
Abstract
Herein, nanocomposite microencapsulated abamectin (A-G-G) have been prepared by composite coacervation method with gelatin and gum arabic as the wall materials and abamectin (A-W) as core material. The formation mechanism of A-G-G was determined by fourier-transform infrared spectroscopy, scanning electron microscopy, and other characterization methods. Then, polybutylene succinate (PBS)/A-G-G composite films with different contents of A-G-G microcapsules were prepared. The effects of adding A-G-G microcapsules on the mechanical and sustained-release properties of the composite films were studied. Results show that there is a strong interaction between the CO groups in PBS and free OH of the A-G-G microcapsules. With an increase in the A-G-G microcapsule content, the elongation at the break of composite films increases significantly. When the A-G-G content is 15 %, the elongation at break of the composite films reaches 178.6 ± 6.26 %. The maximum water absorption is 329 ± 5.84 %. Overall, the PBS/A-G-G composite films exhibit good slow-release performance.
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22
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rGO/ZnO/Nafion nanocomposite as highly sensitive and selective amperometric sensor for detecting nitrite ions (NO2−). J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.05.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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23
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Visible light responsive photocatalytic hydrogen evolution using MoS2 incorporated ZnO. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01476-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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24
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Murali A, Sarswat PK, Perez JPL, Free ML. Synergetic effect of surface plasmon resonance and schottky junction in Ag-AgX-ZnO-rGO (X= Cl & Br) nanocomposite for enhanced visible-light driven photocatalysis. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124684] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Nisar A, Saeed M, Usman M, Muneer M, Adeel M, Khan I, Akhtar J. Kinetic modeling of ZnO‐rGO catalyzed degradation of methylene blue. INT J CHEM KINET 2020. [DOI: 10.1002/kin.21389] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Asif Nisar
- Department of ChemistryGovernment College University Faisalabad Faisalabad Pakistan
| | - Muhammad Saeed
- Department of ChemistryGovernment College University Faisalabad Faisalabad Pakistan
| | - Muhammad Usman
- Department of ChemistryGovernment College University Faisalabad Faisalabad Pakistan
| | - Majid Muneer
- Department of ChemistryGovernment College University Faisalabad Faisalabad Pakistan
| | - Muhammad Adeel
- Department of ChemistryGovernment College University Faisalabad Faisalabad Pakistan
| | - Iltaf Khan
- Key Laboratory of Functional Inorganic Material ChemistryHeilongjiang University Harbin People's Republic of China
| | - Javaid Akhtar
- Department of Chemical & Material EngineeringCollege of EngineeringKing Abdul Aziz University Jeddah Kingdom of Saudi Arabia
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26
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Yaqoob AA, Mohd Noor NHB, Serrà A, Mohamad Ibrahim MN. Advances and Challenges in Developing Efficient Graphene Oxide-Based ZnO Photocatalysts for Dye Photo-Oxidation. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E932. [PMID: 32408530 PMCID: PMC7279554 DOI: 10.3390/nano10050932] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/06/2020] [Accepted: 05/11/2020] [Indexed: 02/07/2023]
Abstract
The efficient remediation of organic dyes from wastewater is increasingly valuable in water treatment technology, largely owing to the tons of hazardous chemicals currently and constantly released into rivers and seas from various industries, including the paper, pharmaceutical, textile, and dye production industries. Using solar energy as an inexhaustible source, photocatalysis ranks among the most promising wastewater treatment techniques for eliminating persistent organic pollutants and new emerging contaminants. In that context, developing efficient photocatalysts using sunlight irradiation and effectively integrating them into reactors, however, pose major challenges in the technologically relevant application of photocatalysts. As a potential solution, graphene oxide (GO)-based zinc oxide (ZnO) nanocomposites may be used together with different components (i.e., ZnO and GO-based materials) to overcome the drawbacks of ZnO photocatalysts. Indeed, mounting evidence suggests that using GO-based ZnO nanocomposites can promote light absorption, charge separation, charge transportation, and photo-oxidation of dyes. Despite such advances, viable, low-cost GO-based ZnO nanocomposite photocatalysts with sufficient efficiency, stability, and photostability remain to be developed, especially ones that can be integrated into photocatalytic reactors. This article offers a concise overview of state-of-the-art GO-based ZnO nanocomposites and the principal challenges in developing them.
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Affiliation(s)
- Asim Ali Yaqoob
- School of Chemical Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia; (A.A.Y.); (N.H.b.M.N.)
| | | | - Albert Serrà
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Feuerwerkerstrasse 39, CH-3602 Thun, Switzerland
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27
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pH dependent ZnO nanostructures synthesized by hydrothermal approach and surface sensitivity of their photoelectrochemical behavior. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-1975-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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28
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Ganeshbabu M, Kannan N, Venkatesh PS, Paulraj G, Jeganathan K, MubarakAli D. Synthesis and characterization of BiVO4 nanoparticles for environmental applications. RSC Adv 2020; 10:18315-18322. [PMID: 35517221 PMCID: PMC9053757 DOI: 10.1039/d0ra01065k] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/27/2020] [Indexed: 11/21/2022] Open
Abstract
In the present study, a chemical precipitation method is adopted to synthesize bismuth vanadate nanoparticles. The calcination temperature dependent photocatalytic and antibacterial activities of BiVO4 nanoparticles are examined. The structural analysis evidences the monoclinic phase of BiVO4 nanoparticles, where the grain size increases with calcination temperature. Interestingly, BiVO4 nanoparticles calcined at 400 °C exhibit superior photocatalytic behaviour against methylene blue dye (K = 0.02169 min−1) under natural solar irradiation, which exhibits good stability for up to three cycles. The evolution of antibacterial activity studies using a well diffusion assay suggest that the BiVO4 nanoparticles calcined at 400 °C can act as an effective growth inhibitor of pathogenic Gram-negative (P. aeruginosa & A. baumannii) and Gram-positive bacteria (S. aureus). In the present study, a chemical precipitation method is adopted to synthesize bismuth vanadate nanoparticles.![]()
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Affiliation(s)
- M. Ganeshbabu
- Nanomaterials Laboratory
- Department of Physics
- Sri S. Ramasamy Naidu Memorial College
- Sattur-626 203
- India
| | - N. Kannan
- Nanomaterials Laboratory
- Department of Physics
- Sri S. Ramasamy Naidu Memorial College
- Sattur-626 203
- India
| | - P. Sundara Venkatesh
- Nanomaterials Laboratory
- Department of Physics
- Sri S. Ramasamy Naidu Memorial College
- Sattur-626 203
- India
| | - G. Paulraj
- Centre for Nanoscience and Nanotechnology
- Department of Physics
- Bharathidasan University
- Tiruchirappalli-620 024
- India
| | - K. Jeganathan
- Centre for Nanoscience and Nanotechnology
- Department of Physics
- Bharathidasan University
- Tiruchirappalli-620 024
- India
| | - D. MubarakAli
- School of Life Sciences
- B. S. Abdul Rahman Crescent Institute of Science and Technology
- Chennai-600 048
- India
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29
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Kumar KVA, Lakshminarayana B, Suryakala D, Subrahmanyam C. Reduced graphene oxide supported ZnO quantum dots for visible light-induced simultaneous removal of tetracycline and hexavalent chromium. RSC Adv 2020; 10:20494-20503. [PMID: 35517755 PMCID: PMC9054234 DOI: 10.1039/d0ra02062a] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/22/2020] [Indexed: 11/21/2022] Open
Abstract
The photocatalytic mechanism explains that electrons and hydroxyl radicals were responsible for reduction of Cr(vi) and oxidation of tetracycline.
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Affiliation(s)
- K. V. Ashok Kumar
- Department of Chemistry
- Indian Institute of Technology, Hyderabad
- Kandi-502285
- India
| | | | - D. Suryakala
- Department of Chemistry
- GITAM University
- Visakhapatnam-530045
- India
| | - Ch. Subrahmanyam
- Department of Chemistry
- Indian Institute of Technology, Hyderabad
- Kandi-502285
- India
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30
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Rodwihok C, Wongratanaphisan D, Thi Ngo YL, Khandelwal M, Hur SH, Chung JS. Effect of GO Additive in ZnO/rGO Nanocomposites with Enhanced Photosensitivity and Photocatalytic Activity. NANOMATERIALS 2019; 9:nano9101441. [PMID: 31614525 PMCID: PMC6835891 DOI: 10.3390/nano9101441] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 09/25/2019] [Accepted: 10/01/2019] [Indexed: 01/14/2023]
Abstract
Zinc oxide/reduced graphene oxide nanocomposites (ZnO/rGO) are synthesized via a simple one-pot solvothermal technique. The nanoparticle-nanorod turnability was achieved with the increase in GO additive, which was necessary to control the defect formation. The optimal defect in ZnO/rGO not only increased ZnO/rGO surface and carrier concentration, but also provided the alternative carrier pathway assisted with rGO sheet for electron-hole separation and prolonging carrier recombination. These properties are ideal for photodetection and photocatalytic applications. For photosensing properties, ZnO/rGO shows the improvement of photosensitivity compared with pristine ZnO from 1.51 (ZnO) to 3.94 (ZnO/rGO (20%)). Additionally, applying bending strain on ZnO/rGO enhances its photosensitivity even further, as high as 124% at r = 12.5 mm, due to improved surface area and induced negative piezoelectric charge from piezoelectric effect. Moreover, the photocatalytic activity with methylene blue (MB) was studied. It was observed that the rate of MB degradation was higher in presence of ZnO/rGO than pristine ZnO. Therefore, ZnO/rGO became a promising materials for different applications.
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Affiliation(s)
- Chatchai Rodwihok
- School of Chemical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea.
| | - Duangmanee Wongratanaphisan
- Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand.
| | - Yen Linh Thi Ngo
- School of Chemical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea.
| | - Mahima Khandelwal
- School of Chemical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea.
| | - Seung Hyun Hur
- School of Chemical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea.
| | - Jin Suk Chung
- School of Chemical Engineering, University of Ulsan, Daehak-ro 93, Nam-gu, Ulsan 680-749, Korea.
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31
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Experimental and Computational Design of Highly Active Ce–ZrO2–GO Photocatalyst for Eosin Yellow Dye Degradation: The Role of Interface and Ce3+ Ion. Catal Letters 2019. [DOI: 10.1007/s10562-019-02729-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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32
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Xue W, Hu Y, Wang F, Yang X, Wang L. Fe3O4/ poly(caprolactone) (PCL) electrospun membranes as methylene blue catalyst with high recyclability. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.12.037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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33
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Self-assembled GNS wrapped flower-like MnCo2O4 nanostructures for supercapacitor application. J SOLID STATE CHEM 2019. [DOI: 10.1016/j.jssc.2018.11.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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35
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Xu W, Chen Y, Zhang W, Li B. Fabrication of graphene oxide/bentonite composites with excellent adsorption performances for toluidine blue removal from aqueous solution. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2018.11.028] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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36
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Liu Y, Wu D, Wang X, Yu J, Li F. Fabrication of eco-friendly nanofibrous membranes functionalized with carboxymethyl-β-cyclodextrin for efficient removal of methylene blue with good recyclability. RSC Adv 2018; 8:37715-37723. [PMID: 35558587 PMCID: PMC9089427 DOI: 10.1039/c8ra07523a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 10/21/2018] [Indexed: 11/21/2022] Open
Abstract
Considering the excellent thermo-mechanical properties, chemical stability and low cost of biodegradable aliphatic-aromatic copolyesters, they are an ideal matrix when functionalized for capturing pollutants in wastewater. In this work, biodegradable poly((butylene succinate-co-terephthalate)-co-serinol terephthalate) (PBSST) copolyesters with amino side group (-NH2) were first synthesized through copolymerization, followed by grafting carboxymethyl-β-cyclodextrin (CM-β-CD) into PBSST molecular chains via amidation reaction to prepare PBSST-g-β-CD. The corresponding nanofibrous membranes were then fabricated by electrospinning as adsorbents for efficiently removing cationic dye methyl blue (MB) from aqueous solutions. The adsorption performance of the nanofibrous membranes was fitted well with pseudo-second-order model and Langmuir isotherm model. The maximum adsorption capacity was 543.48 mg g-1 for MB along with a removal efficiency of 98% after five regeneration cycles, indicating the high adsorption capacity and good recyclability of nanofibrous membranes. The adsorbents possess features of high adsorption capacity, eco-friendliness and easy operation, and exhibit great potential for disposing of printing-dying wastewater.
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Affiliation(s)
- Yinli Liu
- Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University Shanghai 201620 China .,College of Textiles, Donghua University Shanghai 201620 China
| | - Dequn Wu
- Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University Shanghai 201620 China .,College of Textiles, Donghua University Shanghai 201620 China
| | - Xueli Wang
- Innovation Center for Textile Science and Technology, Donghua University Shanghai 201620 China
| | - Jianyong Yu
- Innovation Center for Textile Science and Technology, Donghua University Shanghai 201620 China
| | - Faxue Li
- Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University Shanghai 201620 China .,College of Textiles, Donghua University Shanghai 201620 China.,Innovation Center for Textile Science and Technology, Donghua University Shanghai 201620 China
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37
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Synthesis of polyaniline/lignosulfonate for highly efficient removal of acid red 94 from aqueous solution. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2586-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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38
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39
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Kumbhakar P, Pramanik A, Biswas S, Kole AK, Sarkar R, Kumbhakar P. In-situ synthesis of rGO-ZnO nanocomposite for demonstration of sunlight driven enhanced photocatalytic and self-cleaning of organic dyes and tea stains of cotton fabrics. JOURNAL OF HAZARDOUS MATERIALS 2018; 360:193-203. [PMID: 30099362 DOI: 10.1016/j.jhazmat.2018.07.103] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/04/2018] [Accepted: 07/27/2018] [Indexed: 06/08/2023]
Abstract
Recently, research activities are focused on development of 2D reduced graphene oxide (rGO) based semiconductor nanocomposite materials for boosting up its catalytic applications. In this work, a rarely reported green synthesis approach has been envisioned to synthesize in-situ 2D rGO-ZnO (rGZn) nanocomposites from Apple juice and zinc acetate. Also the composition of the samples has been optimized to achieve high photocatalytic and self-cleaning properties by the formation of reactive oxidation species. The samples are characterized for their microstructural, optical absorption and photoluminescence properties. It has been tested that rGZn nanocomposites are capable of removing a test dye, namely methylene blue (MB) from water and achieved the highest dye degradation efficiency of ∼91% within only 60 min under UV-vis light irradiation. A smart cotton fabric (CF) coated with rGZn has been prepared and demonstrated its photocatalytic self-cleaning property by degradation of MB, rhodamine B dyes and tea stains on it even under sunlight irradiation, which is scarcely available in the literature. Therefore, this work may open a new avenue of research for low cost and easy synthesis of rGO-semiconductor nanocomposites with high photocatalytic properties for industrial applications as well as for development of rGO based smart fabric for real-life applications.
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Affiliation(s)
- Partha Kumbhakar
- Nanoscience Laboratory, Department of Physics, National Institute of Technology, Durgapur, 713209, West Bengal, India
| | - Ashim Pramanik
- Nanoscience Laboratory, Department of Physics, National Institute of Technology, Durgapur, 713209, West Bengal, India
| | - Subrata Biswas
- Nanoscience Laboratory, Department of Physics, National Institute of Technology, Durgapur, 713209, West Bengal, India
| | - Arup Kanti Kole
- Department of Physics, Durgapur Women's College, Durgapur, 713209, West Bengal, India
| | - Rajat Sarkar
- Nanoscience Laboratory, Department of Physics, National Institute of Technology, Durgapur, 713209, West Bengal, India
| | - Pathik Kumbhakar
- Nanoscience Laboratory, Department of Physics, National Institute of Technology, Durgapur, 713209, West Bengal, India.
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40
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XinxinYang, Li Y, Gao H, Wang C, Zhang X, Zhou H. One-step fabrication of chitosan-Fe(OH)3 beads for efficient adsorption of anionic dyes. Int J Biol Macromol 2018; 117:30-41. [DOI: 10.1016/j.ijbiomac.2018.05.137] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/15/2018] [Accepted: 05/20/2018] [Indexed: 12/01/2022]
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41
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Wang YW, Shen R, Wang Q, Vasquez Y. ZnO Microstructures as Flame-Retardant Coatings on Cotton Fabrics. ACS OMEGA 2018; 3:6330-6338. [PMID: 31458815 PMCID: PMC6644380 DOI: 10.1021/acsomega.8b00371] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 06/01/2018] [Indexed: 06/07/2023]
Abstract
In this study, we report a unique strategy that utilizes ZnO and ZnS microparticles and rods as fire-retardant materials when coated onto cotton fabrics. ZnO and ZnO/ZnS microparticles or rods were grown or adsorbed to the surface of cotton fibers. Properties such as heat release rate, total smoke release, and mass loss rate of the materials were tested using a cone calorimeter. ZnO and ZnO/ZnS rods were able to reduce the heat release rate and total smoke release from 118 kW/m2 and 18.3 m2/m2 to about 70.0 kW/m2 and 6.00 m2/m2, respectively. The maximum average rate of heat emission and fire growth rate index, which is used to evaluate the fire spread rate, the size of the fire, and the propensity of fire development, were improved with these coatings and indicate that there are potential applications of these materials as fire retardants.
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Affiliation(s)
- Yi-Wei Wang
- Department
of Chemistry, 107 Physical Sciences I, Oklahoma
State University, Stillwater, Oklahoma 74078, United States
| | - Ruiqing Shen
- Departments
of Chemical Engineering and Fire Protection & Safety, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Qingsheng Wang
- Departments
of Chemical Engineering and Fire Protection & Safety, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Yolanda Vasquez
- Department
of Chemistry, 107 Physical Sciences I, Oklahoma
State University, Stillwater, Oklahoma 74078, United States
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42
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Feng Y, Zhang Y, Wei Y, Song X, Fu Y, Battaglia VS. A ZnS nanocrystal/reduced graphene oxide composite anode with enhanced electrochemical performances for lithium-ion batteries. Phys Chem Chem Phys 2018; 18:30630-30642. [PMID: 27790651 DOI: 10.1039/c6cp06609g] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A simple route for the preparation of ZnS nanocrystal/reduced graphene oxide (ZnS/RGO) by a hydrothermal synthesis process was achieved. The chemical composition, morphology, and structural characterization reveal that the ZnS/RGO composite is composed of sphalerite-phased ZnS nanocrystals uniformly dispersed on functional RGO sheets with a high specific surface area. The ZnS/RGO composite was utilized as an anode in the construction of a high-performance lithium-ion battery. The ZnS/RGO composite with appropriate RGO content exhibits a high reversible specific capacity (780 mA h g-1), excellent cycle stability over 100 cycles (71.3% retention), and good rate performance at 2C (51.2% of its capacity when measured at a 0.1C rate). To further investigate this ZnS/RGO anode for practical use in full Li-ion cells, we tested the electrochemical performance of the ZnS/RGO anode at different cut-off voltages for the first time. The presence of RGO plays an important role in providing high conductivity as well as a substrate with a high surface area. This helps alleviate the typically problems associated with volume expansion and shrinkage during prolonged cycling. Additionally, the RGO provides multiple nucleation points that result in a uniformly dispersed film of nanosized ZnS that covers its surface. Thus, the high surface area RGO enables high electronic conductivity and fast charge transfer kinetics for ZnS lithiation/delithiation.
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Affiliation(s)
- Yan Feng
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University), Ministry of Education, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China. and Energy Storage and Distributed Resources Division, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
| | - Yuliang Zhang
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University), Ministry of Education, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Yuzhen Wei
- Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry (Tianjin Normal University), Ministry of Education, Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin 300387, P. R. China.
| | - Xiangyun Song
- Energy Storage and Distributed Resources Division, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
| | - Yanbo Fu
- Energy Storage and Distributed Resources Division, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
| | - Vincent S Battaglia
- Energy Storage and Distributed Resources Division, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
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43
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Prepare porous silica nanospheres for water sustainability: high efficient and recyclable adsorbent for cationic organic dyes. Colloid Polym Sci 2017. [DOI: 10.1007/s00396-017-4224-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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44
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Alam MK, Rahman MM, Abbas M, Torati SR, Asiri AM, Kim D, Kim C. Ultra-sensitive 2-nitrophenol detection based on reduced graphene oxide/ZnO nanocomposites. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.02.004] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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45
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Ahmed G, Hanif M, Zhao L, Hussain M, Khan J, Liu Z. Defect engineering of ZnO nanoparticles by graphene oxide leading to enhanced visible light photocatalysis. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.10.026] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Li X, Yu J, Wageh S, Al-Ghamdi AA, Xie J. Graphene in Photocatalysis: A Review. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:6640-6696. [PMID: 27805773 DOI: 10.1002/smll.201600382] [Citation(s) in RCA: 333] [Impact Index Per Article: 41.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 08/09/2016] [Indexed: 05/22/2023]
Abstract
In recent years, heterogeneous photocatalysis has received much research interest because of its powerful potential applications in tackling many important energy and environmental challenges at a global level in an economically sustainable manner. Due to their unique optical, electrical, and physicochemical properties, various 2D graphene nanosheets-supported semiconductor composite photocatalysts have been widely constructed and applied in different photocatalytic fields. In this review, fundamental mechanisms of heterogeneous photocatalysis, including thermodynamic and kinetics requirements, are first systematically summarized. Then, the photocatalysis-related properties of graphene and its derivatives, and design rules and synthesis methods of graphene-based composites are highlighted. Importantly, different design strategies, including doping and sensitization of semiconductors by graphene, improving electrical conductivity of graphene, increasing eloectrocatalytic active sites on graphene, strengthening interface coupling between semiconductors and graphene, fabricating micro/nano architectures, constructing multi-junction nanocomposites, enhancing photostability of semiconductors, and utilizing the synergistic effect of various modification strategies, are thoroughly summarized. The important applications including photocatalytic pollutant degradation, H2 production, and CO2 reduction are also addressed. Through reviewing the significant advances on this topic, it may provide new opportunities for designing highly efficient 2D graphene-based photocatalysts for various applications in photocatalysis and other fields, such as solar cells, thermal catalysis, separation, and purification.
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Affiliation(s)
- Xin Li
- College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, P. R. China
- Key Laboratory of Energy Plants Resource and Utilization, Ministry of Agriculture, Institute of New Energy and New Materials, South China Agricultural University, Guangzhou, 510642, P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, P. R. China
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - S Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Jun Xie
- Key Laboratory of Energy Plants Resource and Utilization, Ministry of Agriculture, Institute of New Energy and New Materials, South China Agricultural University, Guangzhou, 510642, P. R. China
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47
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Zhang H, Cen Y, Du Y, Ruan S. Enhanced Acetone Sensing Characteristics of ZnO/Graphene Composites. SENSORS 2016; 16:s16111876. [PMID: 27834870 PMCID: PMC5134535 DOI: 10.3390/s16111876] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 10/28/2016] [Accepted: 11/03/2016] [Indexed: 11/16/2022]
Abstract
ZnO/graphene (ZnO-G) hybrid composites are prepared via hydrothermal synthesis with graphite, N-methyl-pyrrolidone (NMP), and Zn(NO3)2·6H2O as the precursors. The characterizations, including X-ray diffraction (XRD), thermogravimetric analyses (TGA), Raman spectroscopy, and transmission electron microscopy (TEM) indicate the formation of ZnO-G. Gas sensors were fabricated with ZnO-G composites and ZnO as sensing material, indicating that the response of the ZnO towards acetone was significantly enhanced by graphene doping. It was found that the ZnO-G sensor exhibits remarkably enhanced response of 13.3 at the optimal operating temperature of 280 °C to 100 ppm acetone, an improvement from 7.7 with pure ZnO.
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Affiliation(s)
- Hao Zhang
- Shenzhen Key Laboratory of Laser Engineering, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
| | - Yuan Cen
- Shenzhen Key Laboratory of Sensor Technology, College of Physics Science and Technology, Shenzhen University, Shenzhen 518060, China.
| | - Yu Du
- Shenzhen Key Laboratory of Sensor Technology, College of Physics Science and Technology, Shenzhen University, Shenzhen 518060, China.
| | - Shuangchen Ruan
- Shenzhen Key Laboratory of Laser Engineering, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China.
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48
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Tian N, Li Z, Xu D, Li Y, Peng W, Zhang G, Zhang F, Fan X. Utilization of MoS2 Nanosheets To Enhance the Photocatalytic Activity of ZnO for the Aerobic Oxidation of Benzyl Halides under Visible Light. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b01420] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Nan Tian
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Zhen Li
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Danyun Xu
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Yang Li
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Wenchao Peng
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Guoliang Zhang
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Fengbao Zhang
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Xiaobin Fan
- School of Chemical Engineering
and Technology, State Key Laboratory of Chemical Engineering, Collaborative
Innovation Center of Chemical Science and Engineering, Tianjin University, Tianjin 300072, China
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49
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Cai Q, Gao Y, Gao T, Lan S, Simalou O, Zhou X, Zhang Y, Harnoode C, Gao G, Dong A. Insight into Biological Effects of Zinc Oxide Nanoflowers on Bacteria: Why Morphology Matters. ACS APPLIED MATERIALS & INTERFACES 2016; 8:10109-10120. [PMID: 27042940 DOI: 10.1021/acsami.5b11573] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Zinc oxides have gained exciting achievements in antimicrobial fields because of their advantageous properties, whereas their biological effects on bacteria are currently underexplored. In this study, biological effects of flower-shaped nano zinc oxides on bacteria were systematically investigated. Zinc oxide nanoflowers with controllable morphologies (viz., rod flowers, fusiform flowers, and petal flowers) were synthesized by modulating merely base type and concentration using the hydrothermal process. Their antibacterial power is in an order of petal flowers > fusiform flowers > rod flowers because of their differences in microscopic parameters such as specific surface area, pore size, and Zn-polar plane, etc. More importantly, the role of morphology in influencing biological effect on bacteria was examined, focusing on the morphology-induced effect on integrality of cell wall, permeability of cell membrane, DNA cleavage, etc. As for cytotoxicity, all petal flowers, fusiform flowers, and rod flowers show trivial cytotoxicity to the Hela cells. This work provides a guide for enhancing biological effect of the biocides on pathogenic bacteria by the morphological modulation.
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Affiliation(s)
- Qian Cai
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Yangyang Gao
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Tianyi Gao
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Shi Lan
- College of Science, Inner Mongolia Agricultural University , Hohhot 010018, People's Republic of China
| | - Oudjaniyobi Simalou
- Département de Chimie, Faculté Des Sciences (FDS), Université de Lomé (UL) , Lome BP 1515, Togo
| | - Xinyue Zhou
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Yanling Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Chokto Harnoode
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
| | - Ge Gao
- College of Chemistry, Jilin University , Changchun 130021, People's Republic of China
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University , Hohhot 010021, People's Republic of China
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50
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Li Z, Ye L, Lei F, Wang Y, Xu S, Lin S. Enhanced electro-photo synergistic catalysis of Pt (Pd)/ZnO/graphene composite for methanol oxidation under visible light irradiation. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.11.149] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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