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Ibiapina BRS, Lima AEB, Ribeiro LK, Cruz-Filho JF, Sales AGC, Ramos MAB, Sousa JA, Souza D, Gobato YG, Santos FEP, Paz GL, Luz GE. Pyrazinamide photodegradation on NiWO 4-palygorskite nanocomposites under polychromatic irradiation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:79343-79356. [PMID: 35710963 DOI: 10.1007/s11356-022-21338-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 06/03/2022] [Indexed: 06/15/2023]
Abstract
In this work, antibiotic pyrazinamide (PZA) photodegradation on palygorskite (Pal), NiWO4 crystals, and NiWO4-Pal (2, 6, and 10%) nanocomposites was evaluated under polychromatic irradiation. In the characterization of the samples, XRD patterns displayed good crystallinity for NiWO4 crystals and nanocomposites. In addition, the diffractograms were used in the Rietveld refinement for phase indexing, revealing a wolframite-type monoclinic structure with the space group P2/c. The active vibrational modes related to the characteristic groups of the samples were identified using Raman and FTIR spectroscopy. Photoluminescence (PL) spectra revealed that NiWO4 and NiWO4-Pal (2%) nanocomposite have the highest electron-hole pair recombination rate, and the contribution of the green component in the NiWO4-Pal (2%) nanocomposite indicates a greater contribution of deep energy levels to the PL profile. DRS in the UV-visible region indicated that NiWO4 crystals have indirect band-gap energy (Egap) 2.64 eV; NiWO4-Pal (2, 6, and 10%) nanocomposites have 2.62, 2.58, and 2.59 eV, respectively; and Pal has 2.83 eV. The catalytic tests showed that the NiWO4-Pal (2%) nanocomposite samples, under polychromatic radiation, exhibit greater efficiency in photodegradation at 110 min, with yield of 98.5%. The ROS tests indicated that the studied reactive species play a similar role in PZA photodegradation.
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Affiliation(s)
- Bruna R S Ibiapina
- GrEEnTeC-PPGQ-State University of Piauí - UESPI, 2231 João Cabral Street, 381, Teresina, PI, 64002-150, Brazil
| | - Aline E B Lima
- PPGQ-Department of Chemistry (DQ), Federal University of Piauí-UFPI, Teresina, PI, 64049-550, Brazil
| | - Lara K Ribeiro
- CDMF-UFSCar, Federal University of São Carlos, P.O. Box 676, São Carlos, SP, 13565-905, Brazil
| | - João F Cruz-Filho
- PPGQ-Department of Chemistry (DQ), Federal University of Piauí-UFPI, Teresina, PI, 64049-550, Brazil
| | - Ana G C Sales
- GrEEnTeC-PPGQ-State University of Piauí - UESPI, 2231 João Cabral Street, 381, Teresina, PI, 64002-150, Brazil
| | - Marcos A B Ramos
- GrEEnTeC-PPGQ-State University of Piauí - UESPI, 2231 João Cabral Street, 381, Teresina, PI, 64002-150, Brazil
| | - José A Sousa
- PPGQ-Department of Chemistry (DQ), Federal University of Piauí-UFPI, Teresina, PI, 64049-550, Brazil
| | - Daniele Souza
- Department of Physics, Federal University of São Carlos - UFSCar, São Carlos, Brazil
| | - Yara G Gobato
- Department of Physics, Federal University of São Carlos - UFSCar, São Carlos, Brazil
| | - Francisco E P Santos
- Interdisciplinary Laboratory for Advanced Materials - LIMAV, UFPI, Teresina, PI, 64049-550, Brazil
- Department of Physics, Federal University of Piauí - UFPI, Teresina, PI, 64049-550, Brazil
| | - Gizeuda L Paz
- GrEEnTeC-PPGQ-State University of Piauí - UESPI, 2231 João Cabral Street, 381, Teresina, PI, 64002-150, Brazil
| | - Geraldo E Luz
- GrEEnTeC-PPGQ-State University of Piauí - UESPI, 2231 João Cabral Street, 381, Teresina, PI, 64002-150, Brazil.
- PPGQ-Department of Chemistry (DQ), Federal University of Piauí-UFPI, Teresina, PI, 64049-550, Brazil.
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Rajkumar S, Gowri S, Dhineshkumar S, Merlin JP, Sathiyan A. Investigation on NiWO 4/PANI composite as an electrode material for energy storage devices. NEW J CHEM 2021. [DOI: 10.1039/d1nj03831a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
NiWO4/PANI was synthesized by an in situ chemical oxidative polymerization route. Incorporation of NiWO4 in a PANI matrix rendered high specific capacitance and salient morphological features.
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Affiliation(s)
- S. Rajkumar
- PG & Research Department of Chemistry, Bishop Heber College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli-620 017, Tamil Nadu, India
| | - S. Gowri
- Department of Physics, Cauvery College for Women, Affiliated to Bharathidasan University, Tiruchirappalli-620 018, Tamil Nadu, India
| | - S. Dhineshkumar
- PG & Research Department of Chemistry, Bishop Heber College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli-620 017, Tamil Nadu, India
| | - J. Princy Merlin
- PG & Research Department of Chemistry, Bishop Heber College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli-620 017, Tamil Nadu, India
| | - A. Sathiyan
- PG & Research Department of Chemistry, Bishop Heber College (Autonomous), Affiliated to Bharathidasan University, Tiruchirappalli-620 017, Tamil Nadu, India
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Xue Q, Zhang Q. Agar Hydrogel Template Synthesis of Mn₃O₄ Nanoparticles through an Ion Diffusion Method Controlled by Ion Exchange Membrane and Electrochemical Performance. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E503. [PMID: 30939770 PMCID: PMC6524068 DOI: 10.3390/nano9040503] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/14/2019] [Accepted: 03/20/2019] [Indexed: 11/17/2022]
Abstract
A novel strategy, ion diffusion method controlled by ion exchange membrane combining with agar hydrogel template, was reported for the synthesis of Mn₃O₄ nanoparticles without any oxidizing agents. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Brunauere-Emmette-Teller (BET) isotherm were carried out to characterize the structure, morphology, pore size and distribution and specific surface area of the as-prepared nanomaterials. It is shown that the morphology and size of Mn₃O₄ nanoparticles can be controlled by the concentration of agar hydrogel. All the specific capacitances of the Mn₃O₄ samples prepared with agar hydrogel template are much higher than that of Mn₃O₄ prepared without any template agent. The Mn₃O₄ sample prepared at 1.5 g L-1 of agar hydrogel solution exhibits a highest specific capacitance of 183.0 F g-1 at the current density of 0.5 A g-1, which is increased by 293% compared with that of Mn₃O₄ synthesized without any template agent. The results indicate that the ion diffusion method controlled by ion exchange membrane combining with agar hydrogel template is a convenient and effective approach for preparing inorganic nanomaterials.
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Affiliation(s)
- Qian Xue
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 5 Zhongguancun Street, Haidian District, Beijing 100081, China.
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 5 Zhongguancun Street, Haidian District, Beijing 100081, China.
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Tian J, Xue Y, Yu X, Pei Y, Zhang H, Wang J. Solvothermal synthesis of NiWO 4 nanostructure and its application as a cathode material for asymmetric supercapacitors. RSC Adv 2018; 8:41740-41748. [PMID: 35558771 PMCID: PMC9092149 DOI: 10.1039/c8ra09128e] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 12/05/2018] [Indexed: 11/21/2022] Open
Abstract
This study proposes a facile solvothermal synthesis of nickel tungstate (NiWO4) nanowires for application as a novel cathode material for supercapacitors. The structure, morphology, surface area and pore distribution were characterized and their capacitive performances were investigated. The results showed that the NiWO4 nanowires synthesized in ethylene glycol solvent could offer a high specific capacitance of 1190 F g-1 at a current density of 0.5 A g-1 and a capacitance retaining ratio of 61.5% within 0.5-10 A g-1. When used as a cathodic electrode of an asymmetric supercapacitor (ASC), the NiWO4 nanowire based device can be cycled reversibly in a high-voltage region of 0-1.7 V with a high specific capacitance of 160 F g-1 at 0.5 A g-1, which therefore contributed to an energy density of 64.2 W h kg-1 at a power density of 425 W kg-1. Moreover, 92.8% of its initial specific capacitance can be maintained after 5000 consecutive cycles (5 A g-1). These excellent capacitive properties make NiWO4 a credible electrode material for high-performance supercapacitors.
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Affiliation(s)
- Jinjun Tian
- Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
- School of Biological and Chemical Engineering, Nanyang Institute of Technology Nanyang Henan 473004 China
| | - Yan Xue
- School of Biological and Chemical Engineering, Nanyang Institute of Technology Nanyang Henan 473004 China
| | - Xinping Yu
- Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Yuanchao Pei
- Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Hucheng Zhang
- Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
| | - Jianji Wang
- Collaborative Innovation Centre of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University Xinxiang Henan 453007 China
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Liu G, Lu S, Xu W, He G, Zheng Y, Cheng Y. Fabrication of graphene/copper–nickel foam composite for high performance supercapacitors. NEW J CHEM 2018. [DOI: 10.1039/c8nj01017j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
An rGO/PDA/CNF composite electrode is fabricated by an immersing and annealing process and exhibits superior electrochemical performance.
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Affiliation(s)
| | | | - Wenguo Xu
- Beijing Institute of Technology
- Beijing
- China
| | - Ge He
- Beijing Institute of Technology
- Beijing
- China
| | - Yu Zheng
- Beijing Institute of Technology
- Beijing
- China
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AlShehri SM, Ahmed J, Alzahrani AM, Ahamad T. Synthesis, characterization, and enhanced photocatalytic properties of NiWO4 nanobricks. NEW J CHEM 2017. [DOI: 10.1039/c7nj02085f] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
NiWO4 nanobricks were used as photocatalysts in the degradation of organic pollutants in neutral and basic media.
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Affiliation(s)
- Saad M. AlShehri
- Department of Chemistry
- College of Sciences
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
| | - Jahangeer Ahmed
- Department of Chemistry
- College of Sciences
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
| | - Abdulaziz M. Alzahrani
- Department of Chemistry
- College of Sciences
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
| | - Tansir Ahamad
- Department of Chemistry
- College of Sciences
- King Saud University
- Riyadh 11451
- Kingdom of Saudi Arabia
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