Catechin-capped silver-doped titanium dioxide nanoparticle enhanced photocatalytic toxic dye degradation DOI Creative Commons
Sougata Ghosh,

Tanawat Imboon,

Rashbihari Layek

et al.

Frontiers in Chemistry, Journal Year: 2025, Volume and Issue: 13

Published: April 15, 2025

Doping-associated surface modification is a powerful strategy to enhance the photocatalytic potential of n-type semiconductor nanomaterials. Silver (Ag) one most effective dopants that can result in retardation electron hole recombination-generating Schottky barrier at TiO 2 interface with simultaneous extension absorption visible region. This work presents study on effect catechin, bioactive principle polyphenol compound found various plants, synthesis, Ag-doping and stabilization nanoparticles (TiO NPs). The were irregular shape sizes ranging from 19 30 nm. Ag-TiO NPs fabricated using as precursor 1%, 3%, 5% AgNO 3 doping agent. average particle size 1%Ag-TiO NPs, 3%Ag-TiO 5%Ag-TiO was 27.3 ± 7.5 nm, 29.8 9.6 25.0 9.0 respectively. High-resolution transmission microscopy (HRTEM) showed lattice fringes an interplanar spacing 0.23 nm corresponding Ag (111) plane addition presence anatase phase . Fourier transform infrared (FTIR) spectra exhibited broad peak around 400–800 cm −1 attributed Ti-O-Ti stretching vibrations which slightly shifted due changes local bonding environment Ti atoms caused by interactions Ag. Catechin loading between 1.55 3.3 wt. %. superior degradation methylene blue dye up 78%, 87%, 91%, 92%, respectively, RhB 94%, 97% 99%, pseudo-first-order reaction kinetics. Furthermore, its recyclability also demonstrated for three cycles. simplicity fabrication performance here make this green route advantageous environmental applications treat contaminated effluent well numerous other applications.

Language: Английский

Catechin-capped silver-doped titanium dioxide nanoparticle enhanced photocatalytic toxic dye degradation DOI Creative Commons
Sougata Ghosh,

Tanawat Imboon,

Rashbihari Layek

et al.

Frontiers in Chemistry, Journal Year: 2025, Volume and Issue: 13

Published: April 15, 2025

Doping-associated surface modification is a powerful strategy to enhance the photocatalytic potential of n-type semiconductor nanomaterials. Silver (Ag) one most effective dopants that can result in retardation electron hole recombination-generating Schottky barrier at TiO 2 interface with simultaneous extension absorption visible region. This work presents study on effect catechin, bioactive principle polyphenol compound found various plants, synthesis, Ag-doping and stabilization nanoparticles (TiO NPs). The were irregular shape sizes ranging from 19 30 nm. Ag-TiO NPs fabricated using as precursor 1%, 3%, 5% AgNO 3 doping agent. average particle size 1%Ag-TiO NPs, 3%Ag-TiO 5%Ag-TiO was 27.3 ± 7.5 nm, 29.8 9.6 25.0 9.0 respectively. High-resolution transmission microscopy (HRTEM) showed lattice fringes an interplanar spacing 0.23 nm corresponding Ag (111) plane addition presence anatase phase . Fourier transform infrared (FTIR) spectra exhibited broad peak around 400–800 cm −1 attributed Ti-O-Ti stretching vibrations which slightly shifted due changes local bonding environment Ti atoms caused by interactions Ag. Catechin loading between 1.55 3.3 wt. %. superior degradation methylene blue dye up 78%, 87%, 91%, 92%, respectively, RhB 94%, 97% 99%, pseudo-first-order reaction kinetics. Furthermore, its recyclability also demonstrated for three cycles. simplicity fabrication performance here make this green route advantageous environmental applications treat contaminated effluent well numerous other applications.

Language: Английский

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