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Nimbalkar AS, Oh KR, Han SJ, Yun GN, Cha SH, Upare PP, Awad A, Hwang DW, Hwang YK. Nickel-Tin Nanoalloy Supported ZnO Catalysts from Mixed-Metal Zeolitic Imidazolate Frameworks for Selective Conversion of Glycerol to 1,2-Propanediol. CHEMSUSCHEM 2024; 17:e202301315. [PMID: 37932870 DOI: 10.1002/cssc.202301315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 11/01/2023] [Accepted: 11/06/2023] [Indexed: 11/08/2023]
Abstract
The successful synthesis of finely tuned Ni1.5 Sn nanoalloy phases containing ZnO catalyst with a small particle size (6.7 nm) from a mixed-metal zeolitic imidazolate framework (MM-ZIF) is investigated. The catalyst was evaluated for the efficient production of 1,2-propanediol (1,2-PDO) from crude glycerol and comprehensively characterized using several analytical techniques. Among the catalysts, 3Ni1Sn/ZnO (Ni/Sn=3/1) showed the best catalytic performance and produced the highest yield (94.2 %) of 1,2-PDO at ~100 % conversion of glycerol; it also showed low apparent activation energy (15.4 kJ/mol) and excellent stability. The results demonstrated that the synergy between Ni-Sn alloy, finely dispersed Ni metallic sites, and the Lewis acidity of SnOx species-loaded ZnO played a pivotal role in the high activity and selectivity of the catalyst. The confirmation of acetol intermediate and theoretical calculations verify the Ni1.5 Sn phases provide the least energetic pathway for the formation of 1,2-PDO selectively. The reusability of solvent for successive ZIF synthesis, along with the excellent recyclability of the ZIF-derived catalyst, enables an overall sustainable process. We believe that the present synthetic protocol that uses MM-ZIF for the conversion of various biomass-derived platform chemicals into valuable products can be applied to various nanoalloy preparations.
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Affiliation(s)
- Ajaysing S Nimbalkar
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology, Daejeon, 34113, South Korea
| | - Kyung-Ryul Oh
- Department of Chemical Engineering & Materials Science, University of Minnesota, Minneapolis, Minnesota, 55455, United States
| | - Seung Ju Han
- C1 Gas and Carbon Convergent Research Center, Korea Research Institute for Chemical Technology, Dajeon, 34114, South Korea
| | - Gwang-Nam Yun
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology, Daejeon, 34113, South Korea
| | - Seung Hyeok Cha
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
| | | | - Ali Awad
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology, Daejeon, 34113, South Korea
| | - Dong Won Hwang
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology, Daejeon, 34113, South Korea
| | - Young Kyu Hwang
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology, Daejeon, 34114, South Korea
- Department of Advanced Materials and Chemical Engineering, University of Science and Technology, Daejeon, 34113, South Korea
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2
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Mehtab S, Zaidi MGH, Singh A, Pandey M, Mahra A, Sharma S, Aziz M, Palariya D, Singhal B. Electrochemical monitoring of congo red degradation using strontium titanate-doped biochar nanohybrids derived photocatalytic plates. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-28633-3. [PMID: 37468775 DOI: 10.1007/s11356-023-28633-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 07/02/2023] [Indexed: 07/21/2023]
Abstract
Present investigation demonstrates the development and characterization of strontium titanate (SrTiO3) doped biochar nanohybrid photocatalysts. Biochar nanohybrid was synthesized using an ultrasonic-assisted dispersion technique, which involved dispersing SrTiO3 nanoparticles into activated biochar at a weight ratio of 1:2 (w/w) under ambient conditions. The development of the biochar nanohybrid was verified through a comprehensive analysis of their spectral, microstructural, thermal, electrical, and electrochemical properties. The scanning electron microscopy analysis reveals a surface-associated multiphase morphology of the biochar nanohybrid, attributed to the uniform distribution of SrTiO3 within the activated biochar matrix. Biochar nanohybrid exhibited a reduced optical band gap of 2.77 eV, accompanied by a crystallite size of 32.45. Thermogravimetric analysis revealed the thermal stability of the biochar nanohybrid, as evidenced by a char residue of 70.83% at 1000 °C. The working electrodes derived from biochar nanohybrid have exhibited ohmic behavior and displayed a significantly enhanced DC conductivity (mS/cm) of 1.13, surpassing that of activated biochar (0.53) and SrTiO3 (0.62) at 100 V. The developed biochar nanohybrid were employed for the degradation of congo red dye by exposing the dye solution to photocatalytic plates. These photocatalytic plates were prepared by coating biochar nanohybrid onto glass plates using epoxy-based reactive binders for secure binding. The photodegradation of congo red was evaluated through cyclic voltammetric analysis in a 0.1 M KCl solution at pH 8.0, resulting in an impressive 99.95% photocatalytic efficiency in degrading a congo red solution (50 mg/L). This study presents a novel approach for the fabrication of biochar nanohybrid-derived photocatalytic plates, offering high photocatalytic efficiency for the degradation of congo red dye.
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Affiliation(s)
- Sameena Mehtab
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India.
| | - M G H Zaidi
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Ankit Singh
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Minakshi Pandey
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Anjali Mahra
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Shubham Sharma
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Mohammad Aziz
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Diksha Palariya
- Department of Chemistry, College of Basic Sciences and Humanities, G.B. Pant, University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
| | - Barkha Singhal
- School of Biotechnology, Gautam Buddha University, Greater Noida, Uttar Pradesh, 201310, India
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3
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Shabna S, Dhas SSJ, Biju C. Potential progress in SnO2 nanostructures for enhancing photocatalytic degradation of organic pollutants. CATAL COMMUN 2023. [DOI: 10.1016/j.catcom.2023.106642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
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4
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Nazim VS, El-Sayed GM, Amer SM, Nadim AH. Functionalized SnO 2 nanoparticles with gallic acid via green chemical approach for enhanced photocatalytic degradation of citalopram: synthesis, characterization and application to pharmaceutical wastewater treatment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:4346-4358. [PMID: 35965298 PMCID: PMC9376129 DOI: 10.1007/s11356-022-22447-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 08/04/2022] [Indexed: 06/15/2023]
Abstract
Eco-friendly stannic oxide nanoparticles functionalized with gallic acid (SnO2/GA NP) were synthesized and employed as a novel photocatalyst for the degradation of citalopram, a commonly prescribed antidepressant drug. SnO2/GA NP were characterized using high-resolution transmission electron microscopy, Fourier transform infrared spectroscopy, Brunauer-Emmett-Teller measurements and X-ray diffraction. A validated RP-HPLC assay was developed to monitor citalopram concentration in the presence of its degradation products. Full factorial design (24) was conducted to investigate the effect of irradiation time, pH, SnO2/GA NP loading and initial citalopram concentration on the efficiency of the photodegradation process. Citalopram initial concentration was found to be the most significant parameter followed by irradiation time and pH, respectively. At optimum conditions, 88.43 ± 0.7% degradation of citalopram (25.00 µg/mL) was obtained in 1 h using UV light (1.01 mW/cm2). Citalopram kinetics of degradation followed pseudo-first order rate with Kobs and t0.5 of - 0.037 min-1 and 18.73 min, respectively. The optimized protocol was successfully applied for treatment of water samples collected during different cleaning validation cycles of citalopram production lines. The reusability of SnO2/GA NP was studied for 3 cycles without significant loss in activity. This approach would provide a green and economic alternative for pharmaceutical wastewater treatment of organic pollutants.
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Affiliation(s)
- Veronia S Nazim
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini st, Cairo, Egypt
| | - Ghada M El-Sayed
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini st, Cairo, Egypt
| | - Sawsan M Amer
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini st, Cairo, Egypt
| | - Ahmed H Nadim
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini st, Cairo, Egypt.
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5
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Ikram M, Shahzadi I, Haider A, Hayat S, Haider J, Ul-Hamid A, Shahzadi A, Nabgan W, Dilpazir S, Ali S. Improved catalytic activity and bactericidal behavior of novel chitosan/V 2O 5 co-doped in tin-oxide quantum dots. RSC Adv 2022; 12:23129-23142. [PMID: 36090420 PMCID: PMC9380412 DOI: 10.1039/d2ra03975c] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/09/2022] [Indexed: 11/21/2022] Open
Abstract
The novel V2O5/chitosan (CS) co-doped tin oxide (SnO2) quantum dots (QDs) were synthesized via co-precipitation technique. The optical, structural, morphological, and catalytic properties of the concerned specimens were examined by UV-Vis, PL, FTIR, X-ray diffraction, HR-TEM, and EDS. Structural analysis through XRD confirmed the tetragonal structure of SnO2; meanwhile, HR-TEM measurements unveiled quantum dot morphology. Rotational and vibrational modes related to functional groups of (O-H, C-H, Sn-O, and Sn-O-Sn) have been assessed with FTIR spectra. Through UV-Vis spectroscopy, a reduction in band-gap (4.39 eV to 3.98 eV) and redshift in co-doped spectra of SnO2 were identified. Both CS/SnO2 and V2O5-doped CS@SnO2 showed promising catalytic activity in all media. Meanwhile, CS/SnO2 showed higher activity for use in hospital and industrial dye degradation in comparison to dopant-free Ch/SnO2. For V2O5/CS@ SnO2 QDs, inhibition domains of G -ve were significantly confirmed as 1.40-4.15 mm and 1.85-5.45 mm; meanwhile, for G +ve were noticed as 2.05-4.15 mm and 2.40-5.35 mm at least and maximum concentrations, correspondingly. These findings demonstrate the efficient role of V2O5/CS@SnO2 QDs towards industrial dye degradation and antimicrobial activity.
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Affiliation(s)
- Muhammad Ikram
- Solar Cell Applications Research Lab, Department of Physics, Government College University Lahore Lahore 54000 Punjab Pakistan
| | - Iram Shahzadi
- College of Pharmacy, University of the Punjab 54000 Lahore Pakistan
| | - Ali Haider
- Department of Clinical Sciences, Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture 66000 Multan Pakistan
| | - Shaukat Hayat
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
| | - Junaid Haider
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences Tianjin 300308 China
| | - Anwar Ul-Hamid
- Core Research Facilities, King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
| | - Anum Shahzadi
- College of Pharmacy, University of the Punjab 54000 Lahore Pakistan
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira i Virgili Av Països Catalans 26 43007 Tarragona Spain
| | - Sobia Dilpazir
- Department of Chemistry, Comsats University 45550 Islamabad Pakistan
| | - Salamat Ali
- Department of Physics, Riphah Institute of Computing and Applied Sciences (RICAS), Riphah International University 14 Ali Road Lahore Pakistan
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Hokonya N, Mahamadi C, Mukaratirwa-Muchanyereyi N, Gutu T, Zvinowanda C. Green synthesis of P − ZrO2CeO2ZnO nanoparticles using leaf extracts of Flacourtia indica and their application for the photocatalytic degradation of a model toxic dye, Congo red. Heliyon 2022; 8:e10277. [PMID: 36060994 PMCID: PMC9434050 DOI: 10.1016/j.heliyon.2022.e10277] [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: 02/22/2022] [Revised: 04/26/2022] [Accepted: 08/09/2022] [Indexed: 11/01/2022] Open
Abstract
In the present work P−ZrO2CeO2ZnO nanoparticles were synthesised for the first time using phytochemical extracts from Flacourtia indica leaves and applied in the photocatalytic degradation of Congo Red in the presence of Light Emitting Diode warm white light. The photocatalytic degradation was optimized with respect to P−ZrO2CeO2ZnO nanoparticle dosage, initial Congo Red concentration, and degradation time. The optimum conditions for P−ZrO2CeO2ZnO nanoparticle synthesis was pH 9, leaves extracts of F. indica dosage 4 g 100 mL−1, Zirconia, Cerium and Zinc metal ion concentration 0.05 mg/L and metal ion to plant volume ratio of 1:4. The leaves extract dosage, pH and metal concentration had the most significant effects on the synthesis of the nanoparticles. The nanoparticles followed type III physisorption adsorption isotherms with surface area of 0.4593 m3g−1, pore size of 6.80 nm, pore volume 0.000734 cmg−13 and average nanoparticle size 0.255 nm. A degradation efficiency of 86% was achieved and the optimum degradation conditions were 0.05 g/L of P−ZrO2CeO2ZnO nanoparticle dosage, 10 mg/L initial Congo red concentration, and 250 minutes irradiation time. Data from kinetic studies showed that the degradation followed pseudo first order kinetics at low concentration, with a rate constant of 0.069 min−1. The superoxide, h+ holes and light were the main determinants of the reaction mechanisms for the degradation of Congo Red. The investigation outcomes demonstrated that P−ZrO2CeO2ZnO nanoparticles offer a high potential for photocatalytic degradation of Congo Red. The most significant factors on P−ZrO2CeO2ZnO nanoparticles synthesis were plant leaves dosage, pH and initial metal concentration. The nanoparticles exhibited high catalytic activity towards photocatalytic degradation of Congo red. Superoxide, h+ holes and light were the main determinants of the photocatalytic degradation mechanisms.
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7
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Sagadevan S, Anita Lett J, Alshahateet SF, Fatimah I, Weldegebrieal GK, Le MV, Leonard E, Paiman S, Soga T. Photocatalytic degradation of methylene blue dye under direct sunlight irradiation using SnO2 nanoparticles. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109547] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Sun light-assisted enhanced photocatalytic activity and cytotoxicity of green synthesized SnO2 nanoparticles. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Narasaiah BP, Banoth P, Sohan A, Mandal BK, Bustamante Dominguez AG, De Los Santos Valladares L, Kollu P. Green Biosynthesis of Tin Oxide Nanomaterials Mediated by Agro-Waste Cotton Boll Peel Extracts for the Remediation of Environmental Pollutant Dyes. ACS OMEGA 2022; 7:15423-15438. [PMID: 35571823 PMCID: PMC9096977 DOI: 10.1021/acsomega.1c07099] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/17/2022] [Indexed: 05/05/2023]
Abstract
The sustainable synthesis of metal oxide materials provides an ecofriendly and more exciting approach in the domain of a clean environment. Besides, plant extracts to synthesize nanoparticles have been considered one of the more superior ecofriendly methods. This paper describes the biosynthetic preparation route of three different sizes of tetragonal structure SnO2 nanoparticles (SNPs) from the agro-waste cotton boll peel aqueous extract at 200, 500, and 800 °C for 3 h and represents a low-cost and alternative preparation method. The samples were characterized by X-ray diffraction, Fourier transform infrared spectrophotometry, ultraviolet-visible absorption spectroscopy, high-resolution transmission electron microscopy (HR-TEM), and energy-dispersive X-ray spectroscopy. Surface area and porosity size distribution were identified by nitrogen adsorption-desorption isotherms and Brunauer-Emmett-Teller analysis. The photocatalytic properties of the SNP samples were studied against methylene blue (MB) and methyl orange (MO), and the degradation was evaluated with three different size nanomaterials of 3.97, 8.48, and 13.43 nm. Photocatalytic activities were carried out under a multilamp (125 W Hg lamps) photoreactor. The smallest size sample exhibited the highest MB degradation efficiency within 30 min than the most significant size sample, which lasted 80 min. Similarly, in the case of MO, the smallest sample showed a more superior degradation efficiency with a shorter period (40 min) than the large-size samples (100 min). Therefore, our studies suggested that the developed SNP nanomaterials could be potential, promising photocatalysts against the degradation of industrial effluents.
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Affiliation(s)
- Boya Palajonnala Narasaiah
- CASEST,
School of Physics, University of Hyderabad, Prof. C. R Rao Road, Gachibowli, Hyderabad 500046, Telangana, India
- Laboratorio
de Cerámicos y Nanomateriales, Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Ap. Postal 14-0149, Lima 14, Peru
| | - Pravallika Banoth
- CASEST,
School of Physics, University of Hyderabad, Prof. C. R Rao Road, Gachibowli, Hyderabad 500046, Telangana, India
| | - Arya Sohan
- CASEST,
School of Physics, University of Hyderabad, Prof. C. R Rao Road, Gachibowli, Hyderabad 500046, Telangana, India
| | - Badal Kumar Mandal
- Department
of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, Tamil
Nadu, India
| | - Angel G. Bustamante Dominguez
- Laboratorio
de Cerámicos y Nanomateriales, Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Ap. Postal 14-0149, Lima 14, Peru
| | - Luis De Los Santos Valladares
- Laboratorio
de Cerámicos y Nanomateriales, Facultad de Ciencias Físicas, Universidad Nacional Mayor de San Marcos, Ap. Postal 14-0149, Lima 14, Peru
- Cavendish
Laboratory, Department of Physics, University
of Cambridge, J.J. Thomson Avenue, Cambridge CB3 OHE, U.K.
- School
of Materials Science and Engineering, Northeastern
University, No 11, Lane
3, Wenhua Road, Heping District, Shenyang 110819, Liaoning, People’s Republic of China
| | - Pratap Kollu
- CASEST,
School of Physics, University of Hyderabad, Prof. C. R Rao Road, Gachibowli, Hyderabad 500046, Telangana, India
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Fatimah I, Purwiandono G, Husnu Jauhari M, Audita Aisyah Putri Maharani A, Sagadevan S, Oh WC, Doong RA. Synthesis and control of the morphology of SnO2 nanoparticles via various concentrations of Tinospora cordifolia stem extract and reduction methods. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Balakrishnan K, Veerapandy V, Fjellvåg H, Vajeeston P. First-Principles Exploration into the Physical and Chemical Properties of Certain Newly Identified SnO 2 Polymorphs. ACS OMEGA 2022; 7:10382-10393. [PMID: 35382265 PMCID: PMC8973149 DOI: 10.1021/acsomega.1c07063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/07/2022] [Indexed: 05/19/2023]
Abstract
Tin dioxide (SnO2) is one of the transparent conductive oxides that has aroused the interest of researchers due to its wide range of applications. SnO2 exists in a variety of polymorphs with different atomic structures and Sn-O connectivity. However, there are no comprehensive studies on the physical and chemical properties of SnO2 polymorphs. For the first time, we investigated the structural stability and ground-state properties of 20 polymorphs in the sequence of experimental structures determined by density functional theory. We used a systematic analytical method to determine the viability of polymorphs for practical applications. Among the structurally stable polymorphs, Fm3̅m, I41/amd, and Pnma-II are dynamically unstable. As far as we know, no previous research has investigated the electronic properties of SnO2 polymorphs from the hybrid functional of Heyd, Scuseria, and Erhzerhof (HSE06) except P42/mnm, with calculated band gap values ranging from 2.15 to 3.35 eV. The dielectric properties of the polymorphs have been reported, suggesting that SnO2 polymorphs are also suitable for energy storage applications. The bonding nature of the global minimum rutile structure is analyzed from charge density, charge transfer, and electron localization function. The Imma-SnO2 polymorph is mechanically unstable, while the remaining polymorphs met all stability criteria. Further, we calculated Raman and IR spectra, elastic moduli, anisotropic factors, and the direction-dependent elastic moduli of stable polymorphs. Although there are many polymorphic forms of SnO2, rutile is a promising candidate for many applications; however, we investigated the feasibility of the remaining polymorphs for practical applications.
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Affiliation(s)
- Kanimozhi Balakrishnan
- Department
of Computational Physics, School of Physics, Madurai Kamaraj University, Palkalai Nagar, Madurai 625021, Tamil Nadu, India
| | - Vasu Veerapandy
- Department
of Computational Physics, School of Physics, Madurai Kamaraj University, Palkalai Nagar, Madurai 625021, Tamil Nadu, India
| | - Helmer Fjellvåg
- Center
for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo, Oslo 0371, Norway
| | - Ponniah Vajeeston
- Center
for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo, Oslo 0371, Norway
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Sayed MA, Ahmed M, El-Shahat M, El-Sewify IM. Mesoporous polyaniline/SnO2 nanospheres for enhanced photocatalytic degradation of bio-staining fluorescent dye from an aqueous environment. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109326] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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13
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Balayeva OO, Azizov AA, Muradov MB, Alosmanov RM. Removal of tartrazine, ponceau 4R and patent blue V hazardous food dyes from aqueous solutions with ZnAl-LDH/PVA nanocomposite. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.2006688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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14
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El-Sayed MM, Elsayed RE, Attia A, Farghal HH, Azzam RA, Madkour TM. Novel nanoporous membranes of bio-based cellulose acetate, poly(lactic acid) and biodegradable polyurethane in-situ impregnated with catalytic cobalt nanoparticles for the removal of Methylene Blue and Congo Red dyes from wastewater. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2021. [DOI: 10.1016/j.carpta.2021.100123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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15
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Flower-like SnO 2 Nanoparticle Biofabrication Using Pometia pinnata Leaf Extract and Study on Its Photocatalytic and Antibacterial Activities. NANOMATERIALS 2021; 11:nano11113012. [PMID: 34835776 PMCID: PMC8623890 DOI: 10.3390/nano11113012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 11/04/2021] [Accepted: 11/05/2021] [Indexed: 01/14/2023]
Abstract
The present study reported biofabrication of flower-like SnO2 nanoparticles using Pometia pinnata leaf extract. The study focused on the physicochemical characteristics of the prepared SnO2 nanoparticles and its activity as photocatalyst and antibacterial agent. The characterization was performed by XRD, SEM, TEM, UV-DRS and XPS analyses. Photocatalytic activity of the nanoparticles was examined on bromophenol blue photooxidation; meanwhile, the antibacterial activity was evaluated against Klebsiella pneumoniae, Escherichia coli Staphylococcus aureus and Streptococcus pyogenes. XRD and XPS analyses confirmed the single tetragonal SnO2 phase. The result from SEM analysis indicates the flower like morphology of SnO2 nanoparticles, and by TEM analysis, the nanoparticles were seen to be in uniform spherical shapes with a diameter ranging from 8 to 20 nm. SnO2 nanoparticles showed significant photocatalytic activity in photooxidation of bromophenol blue as the degradation efficiency reached 99.93%, and the photocatalyst exhibited the reusability as the degradation efficiency values were insignificantly changed until the fifth cycle. Antibacterial assay indicated that the synthesized SnO2 nanoparticles exhibit an inhibition of tested bacteria and showed a potential to be applied for further environmental and medical applications.
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16
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de Moraes NP, Goes CM, Rocha RDS, Gouvêa MEV, de Siervo A, Silva MLCPD, Rodrigues LA. Tannin-based carbon xerogel as a promising co-catalyst for photodegradation processes based on solar light: a case study using the tin (IV) oxide/carbon xerogel composite. CHEM ENG COMMUN 2021. [DOI: 10.1080/00986445.2021.1978076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Nicolas Perciani de Moraes
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
| | - Clarice Moreira Goes
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
| | - Robson da Silva Rocha
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
| | - Maira Elizabeth Vicente Gouvêa
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
| | - Abner de Siervo
- Institute of Physics “Gleb Wataghin”, Applied Physics Department, State University of Campinas, Campinas, São Paulo, Brazil
| | - Maria Lucia Caetano Pinto da Silva
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
| | - Liana Alvares Rodrigues
- Department of Chemical Engineering, Escola de Engenharia de Lorena-EEL/USP, Estrada Municipal do Campinho S/N, Lorena, São Paulo, Brazil
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