1
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Usmanova GS, Latypova LR, Mustafin AG. Removal of Anionic Methyl Orange Dye from Water by Poly[2-methyl-1 H-indole] Derivatives: Investigation of Kinetics and Isotherms of Adsorption. J Phys Chem B 2024; 128:4195-4207. [PMID: 38634441 DOI: 10.1021/acs.jpcb.3c07921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
The adsorption properties toward methyl orange (MO) were evaluated for poly[2-methyl-1H-indole] and its derivatives. The influence of pH, ionic strength of solution, composition, and amount of sorbent on the adsorption of MO dye was investigated; the kinetics of dye adsorption was studied. The adsorption isotherms were analyzed using different models of sorption equilibrium. The presence of chemical interaction between polyindoles and dye was proved by IR and UV spectroscopy methods. The sorption of MO with polymers is realized mainly due to the formation of electrostatic interactions between the sulfogroup of the dye and the imino group of the sorbent. Microphotographs demonstrate the change in the morphology of polyindoles after adsorption, which further confirms the structural changes in the polymers. It was found that the main factors affecting the sorption capacity of the studied materials are the position and nature of substituents in the polymers and the sorption conditions. For example, polyindoles containing a methoxy group in their structure (o-OMePIn and m-OMePIn) have the best sorption activity. These polymers are effective in adsorbing dyes, which means that they can be used in wastewater treatment.
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Affiliation(s)
- Gulsum S Usmanova
- Laboratory of Organic Functional Materials, Ufa Institute of Chemistry of the Russian Academy of Sciences, Ufa 450054, Russia
| | - Lyaysan R Latypova
- Laboratory of Organic Functional Materials, Ufa Institute of Chemistry of the Russian Academy of Sciences, Ufa 450054, Russia
| | - Akhat G Mustafin
- Laboratory of Organic Functional Materials, Ufa Institute of Chemistry of the Russian Academy of Sciences, Ufa 450054, Russia
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2
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Hassan HHAM, Fattah MA, Maged FA. Poly (aniline-co-aniline-2,5-disulfonic acid) / L-ascorbic acid / Ag@SiO 2 / polysafranin nanocomposite: synthesis, characterization and anomalous electrical behaviour. BMC Chem 2024; 18:79. [PMID: 38643154 PMCID: PMC11032599 DOI: 10.1186/s13065-024-01174-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 03/25/2024] [Indexed: 04/22/2024] Open
Abstract
We report the synthesis of sulfonated copolyaniline/polysafranin/L-ascorbic acid/Ag@SiO2 fine powdered nanocomposites and investigate the influence of incorporating the dye on their conductivity. The composite was characterized via IR, UV, cyclic voltammetry (CV), electric, dielectric, SEM, TEM, TGA and DSC measurements. Microscopy images revealed intensified spherical particles that were dispersed across the entire surface, and the SiO2/Ag particles were distributed on the surface. The XRD results exhibited peaks at many 2q values, and their interatomic spacing (d) and crystallite (grain) sizes were calculated. The thermal degradation curves exhibited an interesting model of stability. The cyclic voltammogram exhibited redox peaks identical to those of the reported analogues. The d.c. conductivity of the oligomer varied from 0.06 - 0.016 (s/cm), and that of the composite varied from 0.008 to 0.016 (s/cm). The material changed from a semiconductor to a metallic material. The observed conductivity is mainly attributed to self-doping between the sulfonate groups and the charged nitrogen atoms in the polymer chains. The frequency dependence of the permittivity, ε', showed a marked effect on the frequency window under consideration. The permittivity, ε', is independent of the increase in the frequency of the oligomer and the composite. This behavior supports the non-Debye dependency by confirming the occurrence of electrode polarization and space charge effects. In conclusion, the incorporation of safranin dye with a thermally stable, highly sulfonated polyaniline derivative/Ag@SO2 nanocomposite achieved improved conductivity after heating. The d.c. conductivities are comparable to those of many commercial inorganic or organic composites, and because of their attractive electrical properties, we suggest that these materials are promising for electronic field applications.
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Affiliation(s)
- Hammed H A M Hassan
- Chemistry department, Faculty of Science, Alexandria University, P.O. 2, Moharram Beck, Alexandria, 21568, Egypt.
| | - Marwa Abdel Fattah
- Menoufia Higher Institute of Engineering and Technology MNF-HIET, Menoufia, Egypt
| | - Fatma Abdel Maged
- Canal High Institute of Engineering and Technology, Suez, 43713, Egypt
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3
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Choi JS, Lim SH, Lingamdinne LP, Park SY, Koduru JR, Yang JK, Chang YY. Development of ultra-high surface area polyaniline-based activated carbon for the removal of volatile organic compounds from industrial effluents. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122594. [PMID: 37742866 DOI: 10.1016/j.envpol.2023.122594] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 06/19/2023] [Accepted: 09/19/2023] [Indexed: 09/26/2023]
Abstract
Removing volatile organic compounds (VOCs) from aqueous solutions is critical for reducing VOC emissions in the environment. Activated carbons are widely used for removal of VOCs from water. However, they show less application feasibility and low removal due to less surface area. Here, a cost-effective and high surface area activated carbonized polyaniline (ACP) was synthesized to sustainable removal of VOCs from water. The ACP microstructure, surface properties, and pore structure were investigated using Brunauer-Emmett-Teller (BET) theory, Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM). The specific surface area of ACP6:1 (2988.13 m2/g) was greater than that of commercial activated carbon (PAC) (1094.49 m2/g), indicating that it has excellent VOC adsorption capacity. The effects of pH, initial VOC concentration, time, temperature, and ionic strength were studied. According to kinetic and thermodynamic studies on VOCs adsorption, it is an exothermic and spontaneous process involving rate-limiting kinetics. Adsorption isotherms follow the Freundlich isotherm model, suggesting that the adsorbent surface is heterogeneous with multilayer adsorption and maximum ACP adsorption capacities of 1913.9, 2453.3, 1635.8, and 3327.0 mg/g at 293 K for benzene, toluene, ethylbenzene, and perchloroethylene, respectively, representing a 3- to 5-fold improvement over PAC. ACP is a promising adsorbent with a high adsorption efficiency for VOC removal.
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Affiliation(s)
- Jong-Soo Choi
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Seon-Hwa Lim
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | | | - Se-Yeon Park
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Janardhan Reddy Koduru
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea.
| | - Jae-Kyu Yang
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea
| | - Yoon-Young Chang
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea.
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4
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Turkten N, Karatas Y, Uyguner-Demirel CS, Bekbolet M. Preparation of PANI modified TiO 2 and characterization under pre- and post- photocatalytic conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:111182-111207. [PMID: 37804384 DOI: 10.1007/s11356-023-30090-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 09/22/2023] [Indexed: 10/09/2023]
Abstract
Polyaniline (PANI) is a promising conducting polymer for surface modification of TiO2 to overcome limitations of the use of visible light and attain increased photocatalytic efficiency for the removal of organic contaminants. In this study, a series of polyaniline modified TiO2 (PANI-TiO2) composites were prepared by using "in-situ" chemical oxidation polymerization method. The composites were systematically characterized by Fourier transform infrared spectroscopy (equipped with an attenuated total reflection accessory, FTIR-ATR), Raman spectroscopy, X-ray diffractometry (XRD), scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM-EDAX), X-ray photoelectron spectroscopy (XPS), ultraviolet-visible diffuse reflectance spectroscopy (UV-DRS), photoluminescence spectroscopy (PL), nitrogen (N2) physisorption (Brunauer - Emmett - Teller surface area (SBET) and Barrett-Joyner-Halenda (BJH) pore size analysis), thermogravimetry-derivative thermogravimetry (TG-DTG) techniques. XRD patterns of PANI-TiO2 composites confirmed both the amorphous phase of PANI and the crystalline character of TiO2. TG/DTG analysis complemented the XRD profiles that the interactions between PANI and TiO2 resulted in a more stable PANI-TiO2 matrix. SEM images displayed the dominant morphology as dandelion-like shapes of PANI being more pronounced with increasing PANI ratios in PANI-TiO2 composites. UV-DRS profiles revealed that the band gap energies of the composites were lower than bare TiO2 expressing a shift to the visible light region. Both PL and UV-DRS analyses confirmed the band-gap reduction phenomenon of PANI modification of TiO2. The incorporation of PANI into TiO2 resulted in a reduction of the surface area of TiO2. The composites were subsequently subjected to photocatalytic activity assessment tests using humic acid (HA) as a model of refractory organic matter (RfOM) under simulated solar irradiation (Uyguner-Demirel et al. Environ Sci Pollut Res 30 85626-85638, 2023). The morphological and structural changes attained upon application of photocatalysis were also evaluated by FTIR-ATR, Raman spectroscopy, XRD, and SEM-EDAX methods in a comparable manner. The FTIR-ATR spectral features of PANI, RfOM and all composites displayed peaks with slight shifts under pre- and post- photocatalytic conditions as well as following dark surface interactions. Besides exhibiting noticeable photocatalytic performance, PANI-TiO2 composites were also proven to maintain stability under non-selective oxidation conditions in the presence of a complex organic matrix. The prepared PANI-TiO2 composites overcoming the limitations of UVA light active bare TiO2 photocatalysis could possibly find a beneficial use as potential catalysts in solar photocatalytic applications.
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Affiliation(s)
- Nazli Turkten
- Department of Chemistry, Faculty of Arts and Sciences, Kirsehir Ahi Evran University, Kirsehir, 40100, Türkiye.
| | - Yunus Karatas
- Department of Chemistry, Faculty of Arts and Sciences, Kirsehir Ahi Evran University, Kirsehir, 40100, Türkiye
| | | | - Miray Bekbolet
- Institute of Environmental Sciences, Bogazici University, Bebek, Istanbul, 34342, Türkiye
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Stejskal J, Ngwabebhoh FA, Trchová M, Prokeš J. Carbonized Leather Waste with Deposited Polypyrrole Nanotubes: Conductivity and Dye Adsorption. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2794. [PMID: 37887944 PMCID: PMC10609213 DOI: 10.3390/nano13202794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/28/2023] [Accepted: 09/28/2023] [Indexed: 10/28/2023]
Abstract
This paper reports the conversion of a waste to a conducting material, exploiting the ability to adsorb pollutant organic dyes. Leather waste was carbonized at 800 °C in an inert nitrogen atmosphere. The resulting biochar was used for in-situ deposition of polypyrrole nanotubes produced by the oxidative polymerization of pyrrole in the presence of methyl orange. The composites of carbonized leather with deposited polypyrrole nanotubes of various composition were compared with similar composites based on globular polypyrrole. Their molecular structure was characterized by infrared and Raman spectra. Both conducting components formed a bicontinuous structure. The resistivity was newly determined by a four-point van der Pauw method and monitored as a function of pressure applied up to 10 MPa. The typical conductivity of composites was of the order of 0.1 to 1 S cm-1 and it was always higher for polypyrrole nanotubes than for globular polypyrrole. The method also allows for the assessment of mechanical features, such as powder fluffiness. The conductivity decreased by 1-2 orders of magnitude after treatment with ammonia but still maintained a level acceptable for applications operating under non-acidic conditions. The composites were tested for dye adsorption, specifically cationic methylene blue and anionic methyl orange, using UV-vis spectroscopy. The composites were designed for future use as functional adsorbents controlled by the electrical potential or organic electrode materials.
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Affiliation(s)
- Jaroslav Stejskal
- University Institute, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic;
| | | | - Miroslava Trchová
- Central Laboratories, University of Chemistry and Technology, Prague, 166 28 Prague 6, Czech Republic;
| | - Jan Prokeš
- Faculty of Mathematics and Physics, Charles University, 180 00 Prague 8, Czech Republic;
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Hernandez V, Jordan RS, Hill IM, Xu B, Zhai C, Wu D, Lee H, Misiaszek J, Shirzad K, Martinez MF, Kusoglu A, Yeo J, Wang Y. Deformation Rate-Adaptive Conducting Polymers and Composites. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207100. [PMID: 37098606 DOI: 10.1002/smll.202207100] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 02/25/2023] [Indexed: 06/19/2023]
Abstract
Materials are more easily damaged during accidents that involve rapid deformation. Here, a design strategy is described for electronic materials comprised of conducting polymers that defies this orthodox property, making their extensibility and toughness dynamically adaptive to deformation rates. This counterintuitive property is achieved through a morphology of interconnected nanoscopic core-shell micelles, where the chemical interactions are stronger within the shells than the cores. As a result, the interlinked shells retain material integrity under strain, while the rate of dissociation of the cores controls the extent of micelle elongation, which is a process that adapts to deformation rates. A prototype based on polyaniline shows a 7.5-fold increase in ultimate elongation and a 163-fold increase in toughness when deformed at increasing rates from 2.5 to 10 000% min-1 . This concept can be generalized to other conducting polymers and highly conductive composites to create "self-protective" soft electronic materials with enhanced durability under dynamic movement or deformation.
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Affiliation(s)
- Victor Hernandez
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Robert S Jordan
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Ian M Hill
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Bohao Xu
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Chenxi Zhai
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - Di Wu
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Hansong Lee
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - John Misiaszek
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Kiana Shirzad
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
| | - Miguel F Martinez
- Department of Chemistry and Biochemistry, University of California, Merced, Merced, CA, 95343, USA
| | - Ahmet Kusoglu
- Lawrence Berkeley National Lab, Berkeley, CA, 94720, USA
| | - Jingjie Yeo
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - Yue Wang
- Department of Materials Science and Engineering, University of California, Merced, Merced, CA, 95343, USA
- Department of Chemistry and Biochemistry, University of California, Merced, Merced, CA, 95343, USA
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7
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Kolhar P, Sannakki B, Verma M, S.V. P, Alshehri M, Shah NA. Synthesis, Characterization and Investigation of Optical and Electrical Properties of Polyaniline/Nickel Ferrite Composites. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2223. [PMID: 37570541 PMCID: PMC10421054 DOI: 10.3390/nano13152223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/21/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023]
Abstract
Nickel ferrite nanoparticles are prepared by using a low-temperature self-propagating solution combustion method using urea as fuel. The prepared nickel ferrite nanoparticles were doped with polyaniline in the three different weight ratios of 10%, 30% and 50% by using an in situ polymerization method and by adding ammonium persulfate as an oxidizing agent. The obtained samples were characterized by using XRD, FTIR, SEM and a UV-visible spectrophotometer. XRD examined crystalline peaks of ferrites and amorphous peak of polyaniline and confirmed the formation of the composites. FTIR examined the chemical nature of samples and showed peaks due to polyaniline and the characteristic peaks that were less than 1000 cm-1 wavenumber were due to metal-oxygen bond vibrations of ferrites. AC conductivity increased with frequency in all samples and the highest AC conductivity was seen in polyaniline/nickel ferrite 50%. DC conductivity increased in all samples with the temperature showing the semiconducting nature of the samples. Activation energy was evaluated by using Arrhenius plots and there was a decrease in activation energy with the addition of ferrite content. The UV-visible absorption peaks of polyaniline showed shifting in the composites. The optical direct and indirect band gaps were evaluated by plotting Tauc plots and the values of the optical band gap decreased with addition of ferrite in polyaniline and the Urbach energy increased in the samples with 10%, 30% and 50% polyaniline/nickel ferrite composites. The optical properties of these composites with a low band gap can find applications in devices such as solar cells.
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Affiliation(s)
- Priyanka Kolhar
- Department of Physics, Gulbarga University, Kalaburgi 585106, India; (P.K.); (B.S.)
| | - Basavaraja Sannakki
- Department of Physics, Gulbarga University, Kalaburgi 585106, India; (P.K.); (B.S.)
| | - Meenakshi Verma
- University Centre for Research and Development, Chandigarh University, Gharuan, Mohali 160055, India;
| | - Prabhakar S.V.
- Department of Electronics, Maharani’s Science College for Women (Autonomous), Mysore 570005, India;
| | - Mansoor Alshehri
- Department of Mathematics, College of Sciences, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Nehad Ali Shah
- Department of Mechanical Engineering, Sejong University, Seoul 05006, Republic of Korea
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8
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Gupta S, Acharya U, Thottappali MA, Pištěková H, Morávková Z, Hromádková J, Taboubi O, Pfleger J, Humpolíček P, Bober P. Tuning of Morphological and Antibacterial Properties of Poly(3,4-ethylenedioxythiophene):Peroxodisulfate by Methyl Violet. Polymers (Basel) 2023; 15:3026. [PMID: 37514416 PMCID: PMC10386557 DOI: 10.3390/polym15143026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
This study demonstrates a one-step synthesis of poly(3,4-ethylenedioxythiophene) (PEDOT) in the presence of the methyl violet (MV) dye. The structural properties of PEDOT:peroxodisulfate were studied using Raman and MALDI-TOF spectroscopies. The use of the MV dye in the polymerization process resulted in a change in the typical irregular morphology of PEDOT:peroxodisulfate, leading to the formation of spherical patterns. SEM and TEM analyses revealed that increasing the dye concentration can produce larger spherical aggregates probably due to the hydrophobic and π-π interactions. These larger aggregates hindered the charge transport and reduced the electrical conductivity. Interestingly, at higher dye concentrations (0.05 and 0.075 M), the PEDOT:peroxodisulfate/MV films exhibited significantly improved antibacterial activity against Staphylococcus aureus and Escherichia coli. Furthermore, the PEDOT:peroxodisulfate films with the incorporated MV dye exhibited a well-defined and repeatable redox behavior. The remarkable amalgamation of their optical, electrochemical and antibacterial properties provides the PEDOT:peroxodisulfate/MV materials with an immensely diverse spectrum of applications, including in optical sensors and medical devices.
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Affiliation(s)
- Sonal Gupta
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | - Udit Acharya
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | | | - Hana Pištěková
- Centre of Polymer Systems, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic
| | - Zuzana Morávková
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | - Jiřina Hromádková
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | - Oumayma Taboubi
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | - Jiří Pfleger
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
| | - Petr Humpolíček
- Centre of Polymer Systems, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic
- Department of Lipids, Surfactants and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlin, 760 01 Zlin, Czech Republic
| | - Patrycja Bober
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, 162 06 Prague, Czech Republic
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Dong R, Seliem MK, Mobarak M, Xue H, Wang X, Li Q, Li Z. Dual-functional marine algal carbon-based materials with highly efficient dye removal and disinfection control. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:60399-60417. [PMID: 37022550 DOI: 10.1007/s11356-023-26800-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Accepted: 03/30/2023] [Indexed: 05/10/2023]
Abstract
The design and simple, green preparation of dual-functional materials for the decontamination of both hazardous dyes and pathogenic microorganisms from wastewater remain challenging currently. Herein, a promising marine algal carbon-based material (named C-SA/SP) with both highly efficient dye adsorptive and antibacterial properties was fabricated based on the incorporation of sodium alginate and a low dose of silver phosphate via a facile and eco-friendly approach. The structure, removal of malachite green (MG) and congo red (CR), and their antibacterial performance were studied, and the adsorption mechanism was further interpreted by the statistical physics models, besides the classic models. The results show that the maximum simulated adsorption capacity for MG reached 2798.27 mg/g, and its minimal inhibit concentration for Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) was 0.4 mg/mL and 0.2 mg/mL, respectively. The mechanistic study suggests that silver phosphate exerted the effects of catalytic carbon formation and pore formation, while reducing the electronegativity of the material as well, thus improving its dye adsorptive performance. Moreover, the MG adsorption onto C-SA/SP showed vertical orientation and a multi-molecular way, and its adsorption sites were involved in the adsorption process with the increase of temperature. Overall, the study indicates that the as-made dual-functional materials have good applied prospects for water remediation.
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Affiliation(s)
- Ruitao Dong
- College of Life Sciences, College of Chemistry and Chemical Engineering, Institute of Biomedical Engineering, Qingdao University, Qingdao, 266071, China
| | - Moaaz K Seliem
- Faculty of Earth Science, Beni-Suef University, Beni Suef, 62511, Egypt
| | - Mohamed Mobarak
- Physics Department, Faculty of Science, Beni-Suef University, Beni Suef, 62511, Egypt
| | - Hanjing Xue
- College of Life Sciences, College of Chemistry and Chemical Engineering, Institute of Biomedical Engineering, Qingdao University, Qingdao, 266071, China
| | - Xuemei Wang
- College of Life Sciences, College of Chemistry and Chemical Engineering, Institute of Biomedical Engineering, Qingdao University, Qingdao, 266071, China
| | - Qun Li
- College of Life Sciences, College of Chemistry and Chemical Engineering, Institute of Biomedical Engineering, Qingdao University, Qingdao, 266071, China
| | - Zichao Li
- College of Life Sciences, College of Chemistry and Chemical Engineering, Institute of Biomedical Engineering, Qingdao University, Qingdao, 266071, China.
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10
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Rajkumar C, Kim H. 4-Cyanophenol herbicide sensor using multi-walled carbon nanotube embedded dual-microporous polypyrrole nanoparticles as metal-free and environmentally friendly hybrid electrode. Mikrochim Acta 2023; 190:197. [PMID: 37120457 DOI: 10.1007/s00604-023-05773-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 03/29/2023] [Indexed: 05/01/2023]
Abstract
A highly sensitive 4-cyanophenol (4-CP) sensor was fabricated using multi-walled carbon nanotube (MWCNT)-embedded dual-microporous polypyrrole nanoparticle-modified screen-printed carbon electrodes (SPCE/DMPPy/MWCNT). The well-defined dual pores of DMPPy and MWCNT (~ 0.53 and ~ 0.65 nm) acted as good analyte absorption agents (shortening the ion diffusion path) and conducting agents (reducing the internal electron-transfer resistance). This enhanced electrical conductivity resulted in the improved electro-oxidation of 4-CP. A higher sensitivity (19.0 μA μM-1 cm-2) and lower limit of detection (0.8 nM) were achieved with a wide detection range of 0.001-400 µM (R2 = 0.9988). The proposed sensor exhibited excellent recovery of 4-CP in real-world samples. Therefore, the SPCE/DMPPy/MWCNT sensor is regarded highly suitable for rapidly detecting 4-CP.
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Affiliation(s)
- Chellakannu Rajkumar
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - Haekyoung Kim
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
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11
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Ma T, Liu M, Offiong NAO, Duan J, Liu Y, Ren H, Zhou R. Highly-efficient peroxydisulfate activation by polyaniline-polypyrrole copolymers derived pyrolytic carbon for 2,4-dichlorophenol removal in water: Coupling mechanism of singlet oxygen and electron transfer. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130580. [PMID: 37055985 DOI: 10.1016/j.jhazmat.2022.130580] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/29/2022] [Accepted: 12/07/2022] [Indexed: 06/19/2023]
Abstract
Carbonization of N-containing aromatic polymers is a promising route to prepare N-doped carbon materials with low cost, easy regulation, and no external N source. However, there are relatively few studies applying these materials for persulfate activation, and the catalytic mechanisms of the existing reaction systems are divergent. In this paper, a series of N-doped carbon materials were prepared by carbonizing polyaniline (PANI), polypyrrole (PPy), and PANI-PPy copolymers. The copolymer-derived carbon materials exhibit superior peroxydisulfate (PDS) catalytic activity compared to some commercially available and reported carbon materials. Combing quenching experiments, EPR analysis, chemical probe analysis, and various electrochemical analysis methods identified the singlet oxygen (1O2) and electron transfer as the main reaction pathways of all systems, but the contribution of each pathway was influenced by the types of precursors. The structure-activity relationship indicated that the carbonyl group (CO) was the main active site for the 1O2 pathway, while the electron transfer ability of the reaction system and the potential of the complex formed by catalyst and PDS jointly determined the electron transfer pathway. This paper provides a new strategy for obtaining excellent N-doped carbon-based persulfate activators and deepens the insight into the mechanism of PDS activation by N-doped carbon materials.
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Affiliation(s)
- Taigang Ma
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China
| | - Meijun Liu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China
| | - Nnanake-Abasi O Offiong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China; Department of Chemical Sciences, Topfaith University, Mkpatak, Nigeria
| | - Jinhao Duan
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China
| | - Yuchun Liu
- College of Water Sciences, Beijing Normal University, Beijing 100875, PR China
| | - Hejun Ren
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China.
| | - Rui Zhou
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resource and Environment, College of New Energy and Environment, Jilin University, Changchun 130021, PR China; National and Local Joint Engineering Laboratory for Petrochemical Contaminated Site Control and Remediation Technology, Jilin University, Changchun 130021, PR China.
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12
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Talukder MM, Khan MMR, Amin MK. A Review on Polyaniline (PANI) Based Nanocomposites for Water Purification. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2023. [DOI: 10.1016/j.sajce.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/06/2023] Open
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13
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Carbonized Leather Waste: A Review and Conductivity Outlook. Polymers (Basel) 2023; 15:polym15041028. [PMID: 36850311 PMCID: PMC9967325 DOI: 10.3390/polym15041028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 02/08/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
The carbonization of collagen-based leather waste to nitrogen-containing carbon is reviewed with respect to the preparation, characterization of carbonized products, and applications proposed in the literature. The resulting nitrogen-containing carbons with fibrous morphology have been used as adsorbents in water pollution treatment, in electrocatalysis, and especially in electrodes of energy-storage devices, such as supercapacitors and batteries. Although electrical conductivity has been implicitly exploited in many cases, the quantitative determination of this parameter has been addressed in the literature only marginally. In this report, attention has been newly paid to the determination of conductivity and its dependence on carbonization temperature. The resulting powders cannot be compressed into pellets for routine conductivity determination. A new method has been used to follow the resistivity of powders as a function of pressure up to 10 MPa. The conductivity at this pressure increased from 9.4 × 10-8 S cm-1 for carbonization at 500 °C to 5.3 S cm-1 at 1000 °C. The conductivity of the last sample was comparable with conducting polymers such as polypyrrole. The carbonized leather thus has the potential to be used in applications requiring electrical conduction.
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14
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A Comprehensive Review on Adsorption, Photocatalytic and Chemical Degradation of Dyes and Nitro-Compounds over Different Kinds of Porous and Composite Materials. Molecules 2023; 28:molecules28031081. [PMID: 36770748 PMCID: PMC9918932 DOI: 10.3390/molecules28031081] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023] Open
Abstract
Dye and nitro-compound pollution has become a significant issue worldwide. The adsorption and degradation of dyes and nitro-compounds have recently become important areas of study. Different methods, such as precipitation, flocculation, ultra-filtration, ion exchange, coagulation, and electro-catalytic degradation have been adopted for the adsorption and degradation of these organic pollutants. Apart from these methods, adsorption, photocatalytic degradation, and chemical degradation are considered the most economical and efficient to control water pollution from dyes and nitro-compounds. In this review, different kinds of dyes and nitro-compounds, and their adverse effects on aquatic organisms and human beings, were summarized in depth. This review article covers the comprehensive analysis of the adsorption of dyes over different materials (porous polymer, carbon-based materials, clay-based materials, layer double hydroxides, metal-organic frameworks, and biosorbents). The mechanism and kinetics of dye adsorption were the central parts of this study. The structures of all the materials mentioned above were discussed, along with their main functional groups responsible for dye adsorption. Removal and degradation methods, such as adsorption, photocatalytic degradation, and chemical degradation of dyes and nitro-compounds were also the main aim of this review article, as well as the materials used for such degradation. The mechanisms of photocatalytic and chemical degradation were also explained comprehensively. Different factors responsible for adsorption, photocatalytic degradation, and chemical degradation were also highlighted. Advantages and disadvantages, as well as economic cost, were also discussed briefly. This review will be beneficial for the reader as it covers all aspects of dye adsorption and the degradation of dyes and nitro-compounds. Future aspects and shortcomings were also part of this review article. There are several review articles on all these topics, but such a comprehensive study has not been performed so far in the literature.
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15
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Synergetic photodegradation via inorganic–organic hybridization strategies: a review on preparations and applications of nanoparticle-hybridized polyaniline photocatalysts. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-022-03390-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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16
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Rajkumar C, Kim H. An amperometric electrochemical sensor based on hierarchical dual- microporous structure polypyrrole nanoparticles for determination of pyrogallol in the aquatic environmental samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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17
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Ahmaruzzaman M. MXenes and MXene-supported nanocomposites: a novel materials for aqueous environmental remediation. RSC Adv 2022; 12:34766-34789. [PMID: 36540274 PMCID: PMC9723541 DOI: 10.1039/d2ra05530a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 11/22/2022] [Indexed: 08/29/2023] Open
Abstract
Water contamination has become a significant issue on a global scale. Adsorption is a cost-effective way to treat water and wastewater compared to other techniques such as the Advanced Oxidation Processes (AOPs), photocatalytic degradation, membrane filtration etc. Numerous research experts are continuously developing inexpensive substances for the adsorptive removal of organic contaminants from wastewater. A fresh and intriguing area of inquiry has emerged as a result of the development of MXenes. This article aims to provide a preliminary understanding of MXenes from synthesis, structure, and characterization to the scope of further research. The applications of MXenes as a new generation adsorbent for remediation of various kinds of organic pollutants and heavy metals from wastewater are also summarized. MXenes with altered surfaces may make effective adsorbents for wastewater treatment. Lastly, the mechanism of adsorption of organic contaminants and heavy metals on MXenes is also discussed for a better understanding of the readers.
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Affiliation(s)
- Md Ahmaruzzaman
- Department of Chemistry, National Institute of Technology Silchar 788010 Assam India
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18
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Recent Advances in the Removal of Organic Dyes from Aqueous Media with Conducting Polymers, Polyaniline and Polypyrrole, and Their Composites. Polymers (Basel) 2022; 14:polym14194243. [PMID: 36236189 PMCID: PMC9573281 DOI: 10.3390/polym14194243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 12/07/2022] Open
Abstract
Water pollution by organic dyes, and its remediation, is an important environmental issue associated with ever-increasing scientific interest. Conducting polymers have recently come to the forefront as advanced agents for removing dye. The present review reports on the progress represented by the literature published in 2020–2022 on the application of conducting polymers and their composites in the removal of dyes from aqueous media. Two composites, incorporating the most important polymers, polyaniline, and polypyrrole, have been used as efficient dye adsorbents or photocatalysts of dye decomposition. The recent application trends are outlined, and future uses also exploiting the electrical and electrochemical properties of conducting polymers are offered.
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19
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Kumar R, Raizada P, Ahamad T, Alshehri SM, Le QV, Alomar TS, Nguyen VH, Selvasembian R, Thakur S, Nguyen DC, Singh P. Polypyrrole-based nanomaterials: A novel strategy for reducing toxic chemicals and others related to environmental sustainability applications. CHEMOSPHERE 2022; 303:134993. [PMID: 35598782 DOI: 10.1016/j.chemosphere.2022.134993] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 05/03/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Aqueous contaminants such as pharmaceuticals, dyes, personal care products, etc., are the common water contaminants that show adverse health effects. Photocatalysis is one of the well-known techniques to treat these water contaminants. Currently, most inorganic photocatalysts show a poor balance between adsorption and photocatalytic activity. In addition, heavy metal pollution and low biosafety are significant concerns in photocatalysis. Thus, environmentally friendly photocatalysts are required to avoid the secondary pollution caused by some inorganic semiconductor-photocatalysts. Organic polymer-based photocatalysts are low-cost, stable, non-toxic, and can utilize visible and NIR light for photocatalysis. In this review, we have discussed polypyrrole as a photocatalyst. Polypyrrole is a conducting organic polymer photocatalyst that is highly stable with high charge mobility and strong binding sites for photocatalytic reactions. Besides these advantages, polypyrrole has limitations, such as high charge recombination due to a small bandgap and poor dispersity. So we have explored the modifications to polypyrrole photocatalysts, such as doping and heterojunctions. Further, we have explained the applications of polypyrrole in photocatalysis as an adsorbent, sensitizer, degradation of pollutants, and energy production. Finally, the future aspects of polypyrrole photocatalysis are also explored to improve the path of future research.
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Affiliation(s)
- Rohit Kumar
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
| | - Tanisr Ahamad
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Saad M Alshehri
- Department of Chemistry, College of Science, King Saud University, Saudi Arabia
| | - Quyet Van Le
- Faculty of Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Taghrid S Alomar
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Van-Huy Nguyen
- Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education (CARE), Kelambakkam, Kanchipuram district, 603103, Tamil Nadu, India.
| | - Rangabhashiyam Selvasembian
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, 613401, Tamilnadu, India
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - D C Nguyen
- Department of Chemistry, The University of Danang, University of Science and Education, Danang, 550000, Viet Nam
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India.
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20
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Lyu W, Yu M, Li J, Feng J, Yan W. Adsorption of anionic acid red G dye on polyaniline nanofibers synthesized by FeCl3 oxidant: Unravelling the role of synthetic conditions. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129203] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Chouli Y, Belkhadem-Mokhtari F, Abou-Zeid S, Dragoe D, Saint-Martin R, Brisset F, Remita H, Remita S. Superior photocatalytic activity of polypyrrole nanostructures prepared by radiolysis in water and dichloromethane. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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22
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Haghgir A, Hosseini SH, Tanzifi M, Yaraki MT, Bayati B, Saemian T, Koohi M. Synthesis of polythiophene/zeolite/iron nanocomposite for adsorptive remediation of azo dye: Optimized by Taguchi method. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.05.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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23
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Microstructure Evolution and Its Correlation with Performance in Nitrogen-Containing Porous Carbon Prepared by Polypyrrole Carbonization: Insights from Hybrid Calculations. MATERIALS 2022; 15:ma15103705. [PMID: 35629731 PMCID: PMC9147853 DOI: 10.3390/ma15103705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/10/2022] [Accepted: 05/20/2022] [Indexed: 11/16/2022]
Abstract
The preparation of nitrogen-containing porous carbon (NCPC) materials by controlled carbonization is an exciting topic due to their high surface area and good conductivity for use in the fields of electrochemical energy storage and conversion. However, the poor controllability of amorphous porous carbon prepared by carbonization has always been a tough problem due to the unclear carbonation mechanism, which thus makes it hard to reveal the microstructure–performance relationship. To address this, here, we comprehensively employed reactive molecular dynamics (ReaxFF-MD) simulations and first-principles calculations, together with machine learning technologies, to clarify the carbonation process of polypyrrole, including the deprotonation and formation of pore structures with temperature, as well as the relationship between microstructure, conductance, and pore size. This work constructed ring expressions for PPy thermal conversion at the atomic level. It revealed the structural factors that determine the conductivity and pore size of carbonized products. More significantly, physically interpretable machine learning models were determined to quantitatively express structure factors and performance structure–activity relationships. Our study also confirmed that deprotonation preferentially occurred by desorbing the dihydrogen atom on nitrogen atoms during the carbonization of PPy. This theoretical work clearly reproduces the microstructure evolution of polypyrrole on an atomic scale that is hard to do via experimentation, thus paving a new way to the design and development of nitrogen-containing porous carbon materials with controllable morphology and performance.
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24
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Sapurina I, Bubulinca C, Trchová M, Prokeš J, Stejskal J. Solid manganese dioxide as heterogeneous oxidant of aniline in the preparation of conducting polyaniline or polyaniline/manganese dioxide composites. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Enhancement of semiconducting and thermomechanical properties of materials based on polyaniline and polyvinylpyrrolidone. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-02990-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Manh TD, Huynh TL, Thi BV, Lee S, Yi J, Nguyen Dang N. Corrosion Inhibition of Mild Steel in Hydrochloric Acid Environments Containing Sonneratia caseolaris Leaf Extract. ACS OMEGA 2022; 7:8874-8886. [PMID: 35309499 PMCID: PMC8928340 DOI: 10.1021/acsomega.1c07237] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/09/2022] [Indexed: 05/27/2023]
Abstract
Sonneratia caseolaris leaf extract was characterized for its mitigation of the electrochemical corrosion of steel in naturally aerated hydrochloric acid environments by electrochemical methods and surface analysis. The presence of S. caseolaris leaf extract (SCLE) in the hydrochloric acid medium ameliorated the corrosion resistance of steel via the adsorption of SCLE species to form a barrier layer. The improved inhibition effectiveness was demonstrated to be independent of the SCLE concentration and the corrosive environment. The highest inhibition performance of approximately 98% was reached for steel in a 1 M HCl medium containing 2500 ppm SCLE. The performance significantly decreased with a decrease in the HCl concentration from 1.00 to 0.01 M with the same SCLE concentration. In addition, severe corrosion occurred on the uninhibited steel surface but was significantly reduced on the inhibited steel surface. The analyzed results also indicated the existence of electronegative functional groups in SCLE, which could promote the adsorption process for the self-formation of the barrier layer on the steel surface. The work reported herein suggested a powerful strategy to mitigate electrochemical corrosion by adding an effective new inhibitor to achieve a green inhibitor system.
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Affiliation(s)
- Tran Dinh Manh
- Institute
of Applied Technology, Thu Dau Mot University, 6 Tran Van on Street, Phu Hoa Ward, Thu Dau Mot City, Binh Duong 820000, Vietnam
| | - Thanh Liem Huynh
- Future
Materials & Devices Lab., Institute of Fundamental and Applied
Sciences, Duy Tan University, Ho Chi Minh City 700000, Vietnam
- The Faculty
of Environmental and Chemical Engineering, Duy Tan University, Danang 550000, Vietnam
| | - Bui Viet Thi
- Centre
of Inspection and Construction Consultancy, Thu Dau Mot University, 6 Tran Van On Street, Phu Hoa Ward, Thu Dau
Mot City, Binh Duong 820000, Vietnam
| | - Sunhwa Lee
- Department
of Electrical Computer Engineering, Sungkyunkwan
University, Suwon 16419, Republic of Korea
| | - Junsin Yi
- College
of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Nam Nguyen Dang
- Future
Materials & Devices Lab., Institute of Fundamental and Applied
Sciences, Duy Tan University, Ho Chi Minh City 700000, Vietnam
- The Faculty
of Environmental and Chemical Engineering, Duy Tan University, Danang 550000, Vietnam
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27
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Al’Abri AM, Sharhan O, Halim SNA, Bakar NKA, Sherino B, Kamboh MA, Nodeh HR, Mohamad S. Effect of framework metal ions of analogous magnetic porous coordination polymers on adsorption of cationic and anionic dyes from aqueous solution. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02100-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Stejskal J, Pekárek M, Trchová M, Kolská Z. Adsorption of organic dyes on macroporous melamine sponge incorporating conducting polypyrrole nanotubes. J Appl Polym Sci 2022. [DOI: 10.1002/app.52156] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jaroslav Stejskal
- Institute of Macromolecular Chemistry Academy of Sciences of the Czech Republic Prague 6 Czech Republic
| | - Michal Pekárek
- Institute of Macromolecular Chemistry Academy of Sciences of the Czech Republic Prague 6 Czech Republic
| | - Miroslava Trchová
- University of Chemistry and Technology, Prague Prague 6 Czech Republic
| | - Zdeňka Kolská
- Faculty of Science J.E. Purkyně University Ústí nad Labem Czech Republic
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29
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Ma J, Deng H, Zhang Z, Zhang L, Qin Z, Zhang Y, Gao L, Jiao T. Facile synthesis of Ag3PO4/PPy/PANI ternary composites for efficient catalytic reduction of 4-nitrophenol and 2-nitroaniline. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127774] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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El-Aswar EI, Ramadan H, Elkik H, Taha AG. A comprehensive review on preparation, functionalization and recent applications of nanofiber membranes in wastewater treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 301:113908. [PMID: 34626949 DOI: 10.1016/j.jenvman.2021.113908] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 10/02/2021] [Accepted: 10/03/2021] [Indexed: 06/13/2023]
Abstract
The direct discharge of significant amounts of polluted water into water bodies causes adverse ecological and human health effects. This severe deterioration in water quality creates significant challenges to meet the growing demand for clean water. Therefore, the world urgently needs environmentally friendly advanced technology to overcome this global crisis. In this regard, nanofiber-based membrane filtration is a promising technique in wastewater remediation because of their huge surface area, extremely porous structure, amenable pore size/pore size distribution, variety of material choices, and flexibility to modification with other functional materials. However, despite their unique properties, fouling, poor mechanical properties, shrinkage, and deformation are major drawbacks of nanofiber membranes for treating wastewater. This review presents a comprehensive overview of nanofiber membranes' fabrication and function in water purification applications as well as providing novel approaches to overcoming/alleviating the mentioned disadvantages. The review first presents nanofiber membrane preparation methods, focusing on electrospinning as a versatile and viable technique alongside discussing the parameters controlling nanofiber morphology. Afterward, the functionalization of nanofiber membranes by combining them with other nanomaterials, such as metal and metal-oxide nanoparticles, carbon nanotubes, metal-organic frameworks, and biomolecules, were demonstrated and discussed. In addition, nanofiber membranes functionalized with microorganisms were highlighted. Finally, we introduced and discussed in detail the most relevant and recent advances in nanofiber applications in wastewater treatment in the context of removing different pollutants (e.g., heavy metals, nutrients, radioactive elements, pharmaceuticals, and personal care products, dyes, and pesticides). Moreover, the promising antimicrobial ability of nanofiber membranes in removing microorganisms from wastewater has been fully underscored. We believe this comprehensive review could provide researchers with preliminary data and guide both researchers and producers engaged in the nanofiber membrane industry, letting them focus on the research gaps in wastewater treatment.
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Affiliation(s)
- Eslam Ibrahim El-Aswar
- Central Laboratories for Environmental Quality Monitoring, National Water Research Center, El-Kanater, Qalyubiyah, 13621, Egypt.
| | - Hassan Ramadan
- Public Works Engineering Department, Faculty of Engineering, Tanta University, Tanta, 31733, Egypt
| | - Hussin Elkik
- Department of Chemistry, Faculty of Science, South Valley University, Qena, 83523, Egypt
| | - Ahmed G Taha
- Department of Chemistry, Faculty of Science, South Valley University, Qena, 83523, Egypt
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31
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Wang T, Yan L, He Y, Alhassan SI, Gang H, Wu B, Jin L, Wang H. Application of polypyrrole-based adsorbents in the removal of fluoride: a review. RSC Adv 2022. [DOI: 10.1039/d1ra08496h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
When fluoride levels in water exceed permitted limits (>1.5 mg L−1), water pollution becomes a major concern to humans.
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Affiliation(s)
- Ting Wang
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Lvji Yan
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Yingjie He
- School of Metallurgy and Environment, Central South University, Changsha, China
| | | | - Haiyin Gang
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Bichao Wu
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Linfeng Jin
- School of Material Science and Engineering, Central South University, Changsha, China
| | - Haiying Wang
- School of Metallurgy and Environment, Central South University, Changsha, China
- Chinese National Engineering Research Center for Control & Treatment of Heavy Metal Pollution, Changsha, China
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32
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Bouhadjra K, Barras A, Lemlikchi W, Addad A, Das MR, Amin MA, Szunerits S, Boukherroub R. Phytic acid-doped poly- N-phenylglycine potato peels for removal of anionic dyes: investigation of adsorption parameters. NEW J CHEM 2022. [DOI: 10.1039/d1nj04713b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we report on enhanced adsorption of anionic dyes, Reactive Blue 49 (RB 49) and Direct Blue 199 (DB 199), using a phytic acid-doped poly-N-phenylglycine@potato peel (PA-PPG@PP) nanocomposite material.
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Affiliation(s)
- Kahina Bouhadjra
- Laboratory of Applied Chemistry and Chemical Engineering (LACCE), University of Tizi-Ouzou, Tizi-Ouzou, Algeria
- High National School of Public Works (HNSPW), El Kouba, Algiers, Algeria
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France
| | - Alexandre Barras
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France
| | - Wahiba Lemlikchi
- Laboratory of Applied Chemistry and Chemical Engineering (LACCE), University of Tizi-Ouzou, Tizi-Ouzou, Algeria
- University of Algiers 1, Algiers, Algeria
| | - Ahmed Addad
- Univ. Lille, CNRS, UMR 8207 – UMET, F-59000, Lille, France
| | - Manash R. Das
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, 785006, India
- Academy of Scientific and Innovative Research, Ghaziabad 201002, India
| | - Mohammed A. Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Sabine Szunerits
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France
| | - Rabah Boukherroub
- Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts-de-France, UMR 8520, IEMN, F-59000 Lille, France
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33
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The Adsorption Performance of Polyaniline/ZnO Synthesized through a Two-Step Method. CRYSTALS 2021. [DOI: 10.3390/cryst12010034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Polyaniline/Zinc oxide (PANI/ZnO) were prepared using a two-step method, and the morphology and the structure of PANI/ZnO composites were characterized through a scanning electron microscope (SEM) and X-ray diffraction (XRD). Factors such as the content of ZnO, the adsorption time and the mass of the adsorbent, and the kinetic equation of PANI/ZnO as adsorbents for the adsorption of methyl orange solution were studied. The results showed that the adsorption efficiency of methyl orange by polyaniline with the increase of adsorbent mass firstly increased and then decreased. Among the composites with the same quality, PANI composites with 8% ZnO have a better adsorption effect for methyl orange, and the maximum adsorption ratio can reach 69% with the increase of adsorption time at 0.033 g; With the increase of adsorbent mass, the adsorption efficiency of PANI composites with 8% ZnO increased continuously. When the mass increased from 0.033 g to 0.132 g, the adsorption rate increased from 69% to 93%, and the adsorption of the methyl orange solution by PANI/ZnO composites was more in line with the quasi-second-order kinetic equation.
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Heybet EN, Ugraskan V, Isik B, Yazici O. Adsorption of methylene blue dye on sodium alginate/polypyrrole nanotube composites. Int J Biol Macromol 2021; 193:88-99. [PMID: 34688676 DOI: 10.1016/j.ijbiomac.2021.10.084] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/11/2021] [Accepted: 10/12/2021] [Indexed: 12/01/2022]
Abstract
Nanomaterials have recently come to the fore as potential adsorbents due to their high surface, high efficiency, and adsorption capacity. This study the performance of polypyrrole nanotube incorporated sodium alginate (SA/PPyNT) on the adsorptive removal of methylene blue dye from an aqueous solution was investigated. Firstly, polypyrrole nanotubes were synthesized by oxidative chemical polymerization. Then, polypyrrole nanotubes were added to the sodium alginate gel and the composite beads were prepared by a crosslinking process in a 3% CaCl2 solution. The composite beads were characterized using Fourier transform infrared-attenuated total reflectance (FTIR-ATR), scanning electron microscope (SEM), and atomic force microscopy analyzes. In the adsorption studies, to determine the optimum conditions, experiments were carried out at different conditions namely temperature (25-45 °C), contact time, initial pH (2-12), adsorbent dosage (1-5 g/L), dye concentrations (10-50 mg/L). The studies indicated that the removal percentage of MB reached up to 90.5% at pH = 7 and 25 °C. Furthermore, different isotherm models such as Freundlich, Langmuir, D-R, and Harkins-Jura were applied. Considering the correlation coefficients, the Langmuir isotherm model was found to be the most suitable model (r2 = 0.9974). The adsorption capacity showed the maximum at 666.7 mg/g in pH = 7 at 25 °C. As a result of the kinetic studies, it was seen that adsorption followed the pseudo-second-order kinetic model (r2 = 0.9976). When thermodynamic parameters were examined, it was seen that the adsorption occurred exothermically (∆HA = - 68.1 kJ/mol) and spontaneously (∆GA298 = - 27.4 kJ/mol). From the data obtained, it was concluded that the SA/PPyNT composites are promising material as an adsorbent.
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Affiliation(s)
- Ezgi Nur Heybet
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, Turkey
| | - Volkan Ugraskan
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, Turkey
| | - Birol Isik
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, Turkey
| | - Ozlem Yazici
- Department of Chemistry, Faculty of Arts & Sciences, Yildiz Technical University, Istanbul, Turkey.
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Lü H, Wang H, Yang L, Zhou Y, Xu L, Hui N, Wang D. A sensitive electrochemical sensor based on metal cobalt wrapped conducting polymer polypyrrole nanocone arrays for the assay of nitrite. Mikrochim Acta 2021; 189:26. [PMID: 34904180 DOI: 10.1007/s00604-021-05131-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 12/06/2021] [Indexed: 12/26/2022]
Abstract
The conducting polymer polypyrrole nanocones wrapped by metal cobalt (Co/PPy) are a promising platform for the detection of sodium nitrite, which can be obtained by an electrochemical deposition technique under a mild condition. Co/PPy nanocone arrays combined the high conductivity and large specific surface area of PPy nanocones with the redox properties of metal cobalt, and their 3D structure can provide more active sites for nitrite detection. Owing to the microstructure and excellent electrical properties of the nanocomposite, Co/PPy nanocone arrays were convenient to construct a high-performance nitrite sensor. The microscopic morphology and composition of Co/PPy nanocone arrays were characterized by SEM, FT-IR, XPS, and XRD, and their electrochemical performances were also investigated. The experimental results showed that Co/PPy nanocones exhibited excellent performance for nitrite determination. The sensors were used for the determination of nitrite in pickled Chinese cabbage and water samples, and the results were consistent with those of spectrophotometry. Hence, the synthesized Co/PPy nanocone arrays have a broad application prospect in food safety, environmental protection, and industrial manufacturing.
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Affiliation(s)
- Haitao Lü
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Hao Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Lili Yang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Yan Zhou
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China
| | - Lixiao Xu
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery Systemand Biotech Drugs in Universities of Shandong, Yantai University, Yantai, 264005, Shandong, China.
| | - Ni Hui
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China.
| | - Dongwei Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, China.
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EL-Ghoul Y, Alminderej FM, Alsubaie FM, Alrasheed R, Almousa NH. Recent Advances in Functional Polymer Materials for Energy, Water, and Biomedical Applications: A Review. Polymers (Basel) 2021; 13:4327. [PMID: 34960878 PMCID: PMC8708011 DOI: 10.3390/polym13244327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 01/10/2023] Open
Abstract
Academic research regarding polymeric materials has been of great interest. Likewise, polymer industries are considered as the most familiar petrochemical industries. Despite the valuable and continuous advancements in various polymeric material technologies over the last century, many varieties and advances related to the field of polymer science and engineering still promise a great potential for exciting new applications. Research, development, and industrial support have been the key factors behind the great progress in the field of polymer applications. This work provides insight into the recent energy applications of polymers, including energy storage and production. The study of polymeric materials in the field of enhanced oil recovery and water treatment technologies will be presented and evaluated. In addition, in this review, we wish to emphasize the great importance of various functional polymers as effective adsorbents of organic pollutants from industrial wastewater. Furthermore, recent advances in biomedical applications are reviewed and discussed.
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Affiliation(s)
- Yassine EL-Ghoul
- Department of Chemistry, College of Science, Qassim University, King Abdulaziz Rd, P.O. Box 1162, Buraidah 51452, Saudi Arabia
- Textile Engineering Laboratory, University of Monastir, Monastir 5019, Tunisia
| | - Fahad M. Alminderej
- Department of Chemistry, College of Science, Qassim University, King Abdulaziz Rd, P.O. Box 1162, Buraidah 51452, Saudi Arabia
| | - Fehaid M. Alsubaie
- National Center for Chemical Catalysis Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Radwan Alrasheed
- National Center for Desalination & Water Treatment Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Norah H. Almousa
- National Center for Chemical Catalysis Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
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Khan MI, Almesfer MK, Elkhaleefa A, Shigidi I, Shamim MZ, Ali IH, Rehan M. Conductive Polymers and Their Nanocomposites as Adsorbents in Environmental Applications. Polymers (Basel) 2021; 13:3810. [PMID: 34771368 PMCID: PMC8587430 DOI: 10.3390/polym13213810] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 12/29/2022] Open
Abstract
Proper treatment and disposal of industrial pollutants of all kinds are a global issue that presents significant techno-economical challenges. The presence of pollutants such as heavy metal ions (HMIs) and organic dyes (ODs) in wastewater is considered a significant problem owing to their carcinogenic and toxic nature. Additionally, industrial gaseous pollutants (GPs) are considered to be harmful to human health and may cause various environmental issues such as global warming, acid rain, smog and air pollution, etc. Conductive polymer-based nanomaterials have gained significant interest in recent years, compared with ceramics and metal-based nanomaterials. The objective of this review is to provide detailed insights into different conductive polymers (CPs) and their nanocomposites that are used as adsorbents for environmental remediation applications. The dominant types of CPs that are being used as adsorbent materials include polyaniline (PANI), polypyrrole (Ppy), and polythiophene (PTh). The various adsorption mechanisms proposed for the removal of ODs, HMIs, and other GPs by the different CPs are presented, together with their maximum adsorption capacities, experimental conditions, adsorption, and kinetic models reported.
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Affiliation(s)
- Mohammad Ilyas Khan
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia; (M.K.A.); (A.E.); (I.S.)
| | - Mohammed Khaloufa Almesfer
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia; (M.K.A.); (A.E.); (I.S.)
| | - Abubakr Elkhaleefa
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia; (M.K.A.); (A.E.); (I.S.)
| | - Ihab Shigidi
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia; (M.K.A.); (A.E.); (I.S.)
| | - Mohammed Zubair Shamim
- Department of Electrical Engineering, College of Engineering, King Khalid University, Abha 62529, Saudi Arabia;
| | - Ismat H. Ali
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia;
| | - Mohammad Rehan
- Centre of Excellence in Environmental Studies, King Abdulaziz University, Jeddah 21577, Saudi Arabia;
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Anionic Dye Removal by Polypyrrole-Modified Red Mud and Its Application to a Lab-Scale Column: Adsorption Performance and Phytotoxicity Assessment. ADSORPT SCI TECHNOL 2021. [DOI: 10.1155/2021/7694783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In this study, polypyrrole-modified red mud (PRM) was prepared for the efficient removal of anionic dyes (methyl orange and Congo red) from aqueous solutions. The phytotoxicity (bean sprouts) of the dye solution before and after dye removal was investigated. Adsorption kinetics confirmed that the adsorption of methyl orange (MO) and Congo red (CR) on PRM was controlled by chemical reactions between the functional groups of polypyrrole and dyes. From Langmuir isotherm fitting, we found the theoretical adsorption capacities of MO and CR on PRM were 194.1 and 314.9 mg/g, respectively. The adsorption progress of MO and CR on PRM was found to be spontaneous and endothermic. The column studies demonstrated that, under dynamic flow, the PRM can efficiently remove MO and CR from aqueous solution, with adsorption capacities of 31.08 and 55.04 mg/g, respectively. In the toxicity test, the phytotoxicity of the column effluents (after dye removal) was significantly lowered compared to the initial dye influents. After the removal of MO and CR, the average root length of bean sprouts was increased from 3.30 cm to 5.18 cm and from 3.01 cm to 7.00 cm, respectively. These findings highlighted the efficient removal of dyes by PRM from aqueous solution, demonstrating the possible application of PRM for the removal of dye from dye-contaminated wastewaters.
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Albu RM, Stoica I, Barzic AI, Postolache M, Angheluta M, Dorohoi DO. Effect of mechanical treatments on orientation behavior and spectral properties of azoderivative dyes incorporated in poly(vinyl alcohol) films. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Raluca Marinica Albu
- Department of Physical Chemistry of Polymers “Petru Poni” Institute of Macromolecular Chemistry Iasi Romania
| | - Iuliana Stoica
- Department of Physical Chemistry of Polymers “Petru Poni” Institute of Macromolecular Chemistry Iasi Romania
| | - Andreea Irina Barzic
- Department of Physical Chemistry of Polymers “Petru Poni” Institute of Macromolecular Chemistry Iasi Romania
| | - Mihai Postolache
- Automatic Control and Computer Engineering “Gheorghe Asachi” Technical University Iasi Romania
| | - Mihai‐Daniel Angheluta
- Faculty of Medicine “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj‐Napoca Romania
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A (solvent-free) approach to metal-free photo-catalysts for methylene blue degradation. IRANIAN POLYMER JOURNAL 2021. [DOI: 10.1007/s13726-021-00957-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Stejskal J, Trchová M, Kasparyan H, Kopecký D, Kolská Z, Prokeš J, Křivka I, Vajďák J, Humpolíček P. Pressure-Sensitive Conducting and Antibacterial Materials Obtained by in Situ Dispersion Coating of Macroporous Melamine Sponges with Polypyrrole. ACS OMEGA 2021; 6:20895-20901. [PMID: 34423197 PMCID: PMC8374914 DOI: 10.1021/acsomega.1c02330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 06/16/2021] [Indexed: 05/24/2023]
Abstract
Melamine sponges were coated with polypyrrole during the in situ polymerization of pyrrole. The precipitation polymerization was compared with the dispersion mode, that is, with the preparation in the presence of poly(N-vinylpyrrolidone) and nanosilica as colloidal stabilizers. The coating of sponges during the dispersion polymerization leads to the elimination of the undesired polypyrrole precipitate, improved conductivity, and increased specific surface area. The sponges were tested with respect to their conductivity and as pressure-sensitive conducting materials with antibacterial performance.
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Affiliation(s)
- Jaroslav Stejskal
- Institute
of Macromolecular Chemistry, Academy of
Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Miroslava Trchová
- University
of Chemistry and Technology, Prague, 166 28 Prague 6, Czech Republic
| | - Hayk Kasparyan
- University
of Chemistry and Technology, Prague, 166 28 Prague 6, Czech Republic
| | - Dušan Kopecký
- University
of Chemistry and Technology, Prague, 166 28 Prague 6, Czech Republic
| | - Zdeňka Kolská
- Faculty
of Science, J.E. Purkyně University, 400 96 Ústí
nad Labem, Czech Republic
| | - Jan Prokeš
- Faculty
of Mathematics and Physics, Charles University, 180 00 Prague 8, Czech Republic
| | - Ivo Křivka
- Faculty
of Mathematics and Physics, Charles University, 180 00 Prague 8, Czech Republic
| | - Jan Vajďák
- Centre
of Polymer Systems, Tomas Bata University
in Zlín, 760 01 Zlín, Czech Republic
| | - Petr Humpolíček
- Centre
of Polymer Systems, Tomas Bata University
in Zlín, 760 01 Zlín, Czech Republic
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Stejskal J, Sapurina I, Vilčáková J, Humpolíček P, Truong TH, Shishov MA, Trchová M, Kopecký D, Kolská Z, Prokeš J, Křivka I. Conducting polypyrrole-coated macroporous melamine sponges: a simple toy or an advanced material? CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01776-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Preparation of PANI Modified ZnO Composites via Different Methods: Structural, Morphological and Photocatalytic Properties. WATER 2021. [DOI: 10.3390/w13081025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Polyaniline modified zinc oxide (PANI-ZnO) photocatalyst composites were synthesized by focusing on dissolution disadvantage of ZnO. In-Situ chemical oxidation polymerization method was performed under neutral conditions (PANI-ES) whereas in hybridization method physical blending was applied using emeraldine base of polyaniline (PANI-EB). PANI-ZnO composites were prepared in various ratios of aniline (ANI) to ZnO as 1%, 3%, 6% and 9%. The alterations on the structural and morphological properties of PANI-ZnO composites were compared by Fourier Transform Infrared (FT-IR), Raman Spectroscopy, X-ray Diffraction (XRD) and Scanning Electron Microscopy-Energy Dispersive X-ray Analysis Unit (SEM-EDAX) techniques. FT-IR and Raman spectroscopy confirmed the presence of PANI in all composites. SEM images revealed the morphological differences of PANI-ZnO composites based on PANI presence and preparation methods. Photocatalytic performances of PANI-ZnO specimens were investigated by following the degradation of methylene blue (MB) in aqueous medium under UVA irradiation. The effects of catalyst dose and initial dye concentration were also studied. MB degradation was followed by both decolorization extents and removal of aromatic fractions. PANI-ZnO composites expressed enhanced photocatalytic performance (~95% for both methods) as compared to sole ZnO (~87%). The hybridization method was found to be more efficient than the In-Situ chemical oxidation polymerization method emphasizing the significance of the neutral medium.
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Miksa B, Steinke U, Trzeciak K, Sniechowska J, Rozanski A. Thermostable Fluorescent Capsules with the Cross‐Linked Heterocyclic Polymer Shell from Poly(pyrrole‐phenosafranin). MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202000396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Beata Miksa
- Department of Structural Chemistry Centre of Molecular and Macromolecular Studies Polish Academy of Science Sienkiewicza 112 Lodz 90–363 Poland
| | - Urszula Steinke
- Department of Structural Chemistry Centre of Molecular and Macromolecular Studies Polish Academy of Science Sienkiewicza 112 Lodz 90–363 Poland
| | - Katarzyna Trzeciak
- Department of Structural Chemistry Centre of Molecular and Macromolecular Studies Polish Academy of Science Sienkiewicza 112 Lodz 90–363 Poland
| | - Justyna Sniechowska
- Department of Structural Chemistry Centre of Molecular and Macromolecular Studies Polish Academy of Science Sienkiewicza 112 Lodz 90–363 Poland
| | - Artur Rozanski
- Department of Structural Chemistry Centre of Molecular and Macromolecular Studies Polish Academy of Science Sienkiewicza 112 Lodz 90–363 Poland
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Construction and characterization of sandwich-type laccase electrode based on functionalized conducting polymers. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-020-01336-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mittal H, Khanuja M. Hydrothermal in-situ synthesis of MoSe2-polypyrrole nanocomposite for efficient photocatalytic degradation of dyes under dark and visible light irradiation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117508] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Pang AL, Arsad A, Ahmadipour M. Synthesis and factor affecting on the conductivity of polypyrrole: a short review. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5201] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ai Ling Pang
- UTM‐MPRC Institute for Oil and Gas, School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Johor Malaysia
| | - Agus Arsad
- UTM‐MPRC Institute for Oil and Gas, School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Johor Malaysia
| | - Mohsen Ahmadipour
- School of Materials and Mineral Resources Engineering Universiti Sains Malaysia, Engineering Campus Nibong Tebal Pulau Penang Malaysia
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Idumah CI, Ezeani E, Nwuzor I. A review: advancements in conductive polymers nanocomposites. POLYM-PLAST TECH MAT 2020. [DOI: 10.1080/25740881.2020.1850783] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Christopher Igwe Idumah
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
- EnPro, Universiti Teknologi Malaysia
| | - E.O Ezeani
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
| | - I.C Nwuzor
- Nnamdi Azikiwe University, Faculty of Engineering, Department of Polymer and Textile Engineering, Awka, Nigeria
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