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Enhanced Photocatalytic Performance of Auto-Combusted Nanoparticles for Photocatalytic Degradation of Azo Dye Under Sunlight Illumination and Hydrogen Fuel Production Publisher Pubmed



Darabi R1 ; Ghorbanihasansaraei A2 ; Masoomzadeh S2 ; Monadi Sefidan A3 ; Gulbagca F4 ; Elhouda Tiri RN4 ; Zghair Alkhafaji AH4 ; Altuner EE3 ; Sen F4 ; Davarnia B5 ; Mortazavi SM2
Authors
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Authors Affiliations
  1. 1. School of Resources and Environment, University of Electronic Science and Technology of China, Xiyuan Ave, Chengdu, P.O. Box 611731, China
  2. 2. Department of Food Science and Technology, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
  3. 3. Department of Laboratory Science, School of Allied Medical Science, Tehran University of Medical Science, Tehran, Iran
  4. 4. Sen Research Group, Department of Biochemistry, Dumlupinar University, Kutahya, 43000, Turkey
  5. 5. Department of Food Science and Technology, Islamic Azad University, Ardabil Branch, Ardabil, Iran

Source: Chemosphere Published:2023


Abstract

In this study, an innovative nanomaterial was synthesized for hydrogen production from methanolysis on sodium borohydride (NaBH4) in order to be a solution for future energy problems. The nanocomposite containing FeCo, which does not contain noble metals, and whose support material is Polyvinylpyrrolidone (PVP), was synthesized by means of a thermal method. TEM, XRD and FTIR characterization methods were used for the analysis of the morphological and chemical structure of the nanocomposite. Nanocomposite particle size was found to be 2.59 nm according to XRD analysis, and 5.45 nm according to TEM analysis for scale of 50 nm. For catalytic properties of nanomaterial in the methanolysis reaction of NaBH4, temperature, catalyst, substrate, and reusability experiments were carried out and kinetic calculations were obtained. Among the activation parameters of FeCo@PVP nanoparticles, turnover frequency, enthalpy, entropy and activation energy were calculated as 3858.9 min−1, 29.39 kJ/mol, −139.7 J/mol.K, and 31.93 kJ/mol, respectively. As a result of the reusability test of the obtained FeCo@PVP nanoparticles catalysts, which was carried out for 4 cycles, the catalytic activity was 77%. Catalytic activity results are given in comparison with the literature. In addition, the photocatalytic activity of FeCo@PVP NPs was evaluated against MB azo dye under solar light irradiation for 75 min and was found to be as 94%. © 2023 Elsevier Ltd
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