Effect of heating rate on the photocatalytic activity of ag–tio2 nanocomposites by one-step process via aerosol routes

Kusdianto Kusdianto, Meditha Hudandini, Dianping Jiang, Masaru Kubo, Manabu Shimada*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Ag–TiO2 nanocomposite films, based of Ag and TiO2 nanoparticles, were fabricated in a one-step aerosol route employing the simultaneous plasma-enhanced chemical vapor deposition and physical vapor deposition systems. The as-fabricated films were subjected to different heating rates (3 to 60C/min) with a constant annealing temperature of 600C to observe the significant changes in the properties (e.g., nanoparticle size, crystalline size, crystallite phase, surface area) toward the photocatalytic performance. The photocatalytic activity was evaluated by the measurement of the degradation of a methylene blue aqueous solution under UV light irradiation, and the results revealed that it gradually increased with the increase in the heating rate, caused by the increased Brunauer–Emmett–Teller (BET) specific surface area and total pore volume.

Original languageEnglish
Article number17
JournalCatalysts
Volume12
Issue number1
DOIs
Publication statusPublished - Jan 2022

Keywords

  • Annealing temperature
  • Heating rate
  • Organic material degradation
  • Physical vapor deposition
  • Plasma-enhanced chemical vapor deposition

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