Synergistic Performance of Sonolytically Synthesized Poly(1‐naphthylamine)/TiO₂ Nanohybrids: Degradation Studies of Amido Black‐10B Dye

Abstract

The present work reports the synthesis, characterization and sonophotocatalytic studies of poly(1-naphthylamine) (PNA)/ TiO 2 nanohybrids using different loadings of the conducting polymer. Raman and IR studies confirmed the interaction between PNA and TiO 2 . UV studies showed that the band gap of PNA: TiO 2 nanohybrids were found to be ranging between 1.67 eV À 1.9 eV. The thermal stability was found to follow the order: 0.5:1-PNA: TiO 2 > 1:1-PNA:TiO 2 > 2:1-PNA:TiO 2 > PNA. Photocatalytic activity of the nanohybrids was tested by degrading Amido Black 10B dye under UV irradiation. A remarkable degradation of 90% was achieved within a short period of 60 min. The degraded fragments were investigated by LCMS studies and a plausible degradation mechanism was proposed.

Highly efficient degradation of metronidazole drug using CaFe2O4/PNA nanohybrids as metal-organic catalysts under microwave irradiation

“…The IR spectrum of PNA (Fig. 2b) revealed peaks similar to the ones reported in our previous studies (Riaz et al 2016;Kashyap et al 2018) confirming polymerization of 1-naphthylamine.…”

“…The FTIR spectra and ultraviolet-visible spectrophotometry (UV-Vis) spectra were performed as per method reported in our earlier studies (Riaz et al 2016;Kashyap et al 2018). Xray diffraction patterns and SEM were analyzed as per method reported in our earlier studies (Riaz et al 2016…”

“…The present paper therefore reports microwave-assisted synthesis of CaFe 2 O 4 . To enhance the catalytic properties of the synthesized ferrite, poly(1napthylamine) (PNA) was used as photosensitizer due to its conducting nature, ease of processability, good environmental stability, and remarkable redox behavior in aqueous solution (Riaz et al 2016;Kashyap et al 2018). The synthesized pristine materials and nanohybrids were explored for their thermal, spectral, and morphological characteristics.…”

Poly(1-Napthylamine) Nanoparticles as Potential Scaffold for Supercapacitor and Photocatalytic Applications

“…With unique capabilities that make them appropriate for possible applications, conducting polymers (CP) have received much attention in recent decades. CPs such as polyacetylenes (PAcs), polyanilines (PANIs), polypyrroles, polyfluorenes (PFs), poly(arylenevinylenes) (PArVs), poly(phenylene ethylene vinylenes) (PEVs), polythiophenes (PThs), poly(1-naphthylamine) (PNA) and poly(carbazole) (PCz) have been extensively explored due to their unique optoelectronic and thermal properties, as well as their good environmental stability, good conductivity, high surface area, redox potential and adjustable parameters [21][22][23][24][25][26][27]. Moreover, these polymers have low solubility in typical organic solvents.…”

Visible-light induced degradation of diphenyl urea and polyethylene using polythiophene decorated CuFe2O4 nanohybrids

“…The treatment of urea wastewater via biological 5,6 , enzymatic 10 and electrochemical approaches have been attempted by several authors, while very few studies have been carried out on the degradation of plastics, including the bio/photocatalytic degradation of polyethylene polymers by Zalerion maritimum 11 TiO 2 nanotubes 12 , ZnO 13 , N-doped TiO 2 14,15 , and Pt/ZnO 16,17 . Lately, the photocatalytic properties of spinel ferrites have been widely reported for oxidative dehydration of hydrocarbons 18 , decomposition of alcohols and hydrogen peroxide 19 , oxidation of carbon monoxide 20 , and degradation of dyes [21][22][23][24][25][26] . Due to the alternation of Fe +3 and Fe +2 states, ferrites have been reported to exhibit remarkable structural stability as well as catalytic activity 22,23 .…”