Structural, Thermal, Magnetic and Electrical Properties of Polyaniline/CoFe2O4 Nano-composites with Special Reference to the Dye Removal Capability

Gabal, M.A.; Al-Juaid, A. A.; El-Rashed, S.; Hussein, Mahmoud A.; Angari, Y.M. Al; Saeed, Abdu

doi:10.1007/s10904-019-01179-z

Cited by 27 publications

(12 citation statements)

References 52 publications

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“…With increasing temperature, due to the thermal agitation, the aligned dipoles reoriented and nullified the ordering effect under an applied field, which caused a decrease in the dielectric constant value, as reported in many systems. 38–40 The reorientation of the dipoles under the frequency response was accompanied by a dielectric loss (tan δ ) peak associated with a dipolar relaxation phenomenon in the dielectric spectrum ( ε ′), Fig. 3A, inset.…”

Section: Resultsmentioning

confidence: 99%

Electrical response of polymer functionalized ultrafine inorganic particles under frequency conditions: an in situ approach

2022

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Section: Resultsmentioning

confidence: 99%

Electrical response of polymer functionalized ultrafine inorganic particles under frequency conditions: an in situ approach

2022

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Section: Introductionmentioning

confidence: 99%

“…Functional nano-and micrometer-sized particles have numerous applications, including as carriers in separation and adsorption processes and in drug transport [1][2][3][4]. Some such particles have a composite core-shell morphology made of polymeric and inorganic components [1][2][3]. These combinations are advantageous because inorganic materials generally exhibit better thermal resistance, mechanical properties, and shape stability than polymers.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Aromatic Polyamide-Silica Composite Particles and the Effect of Incorporating Silane Coupling Agent

Yoshioka

Ehiro

2022

e-J. Surf. Sci. Nanotechnol.

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Aromatic polyamide (PA)-silica (SiO 2 ) composite particles were synthesized incorporating a silane coupling agent (SCA) at two different concentrations or without the SCA, using a mixture of acetone and N,N-dimethylacetamide. The three types of composite particles were macroscopically similar to the original silica particles in terms of size and morphology. The extent to which the SiO 2 particles were coated with the SCA was found to be dependent on the concentration of the SCA used in the synthesis. However, all particles had almost the same level of PA coating regardless of the amount of SCA added. These coatings decreased the total pore volume and the surface area of the porous SiO 2 particles while maintaining the original porous structure. Adsorption capacity tests using rhodamine B in water showed that all PA-coated particles removed 73 to 84% of the dye while untreated particles or those coated with only the SCA adsorbed from 14 to 21%. This significant difference demonstrated the beneficial effect of the PA. Thus, composite particles with significant dye adsorption efficiencies could be obtained without the SCA treatment.

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“…R. Pandimurugan et.al synthesized novel hybrid composite of Seaweed-ZnO-Polyaniline by polymerization and studied its capability for adsorption the cationic dyes methylene blue [24]. M. A. Gabal et.al studied the ability of ferrite composite material CoFe 2 O 4 /PANi nanocomposites to adsorb toxic acid red dye (AR) from wastewater prepared via aniline polymerization [25]. In the current work, ZnO/PANi nanocomposite studied as an adsorbent against methylene orange MO dye in a batch adsorption system.…”

Section: Introductionmentioning

confidence: 99%

Comparative Kinetic and Isotherm Studies of Methyl Orange Dye adsorption using ZnO/PANi composite materials

Alardhi

Abdalsalm

Ati

et al. 2022

Preprint

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Polyaniline PANi/zinc oxide ZnO nanocomposite has been chemically synthesized by using formic acid. ZnO/PANi nanocomposites containing different weight content of ZnO nanoparticles (10, 20, and 30 wt%). ZnO nanoparticles were prepared by co-precipitation method. Characteristics such as structural, morphological and absorption of the prepared nanocomposites were studied by XRD, FTIR, SEM and UV–vis spectra. X-ray diffraction of zinc oxide nanoparticles confirmed formation of hexagonal wurtzite crystalline structure, also the substituted zinc oxide nanoparticles in different percentage to semi-crystalline polyaniline indicating nearly the same crystalline structure of ZnO/PANi nanocomposites. The Fourier Transform Infrared Spectra (FT-IR) of ZnO nanoparticles, PANi and their composites have been analyzed in the frequency range between 400–4000 cm− 1. The characteristic FT-IR peaks of ZnO nanoparticles show shifts to lower wave numbers in all composites. These observed effects may be due to conjugation and some chemical interactions between ZnO nanoparticles and PANI molecular chain. The results confirmed that the PANI successfully grown on surface of ZnO nanoparticles. The ZnO nanoparticles, PANI and ZnO/PANi nanocomposites were further applied to remove methylene orange dye, the effect of pH, initial dye concertation and ZnO nanoparticles dose were investigated via a batch experimental. According to the results, that the hybrid composite of ZnO/PANi increased the photo degradation of methylene orange dye molecules in aqueous solution compared with parent materials. Maximum removal efficiencies at optimum conditions were higher than 97% at pH 11, concentration of dye:10 mg/l, time equal 40 min and dose 0.1 g of PANi/ZnO.

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Structural, Thermal, Magnetic and Electrical Properties of Polyaniline/CoFe2O4 Nano-composites with Special Reference to the Dye Removal Capability

Cited by 27 publications

References 52 publications

Electrical response of polymer functionalized ultrafine inorganic particles under frequency conditions: an in situ approach

Electrical response of polymer functionalized ultrafine inorganic particles under frequency conditions: an in situ approach

Synthesis of Aromatic Polyamide-Silica Composite Particles and the Effect of Incorporating Silane Coupling Agent

Comparative Kinetic and Isotherm Studies of Methyl Orange Dye adsorption using ZnO/PANi composite materials

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