A comparative study of the photo-catalytic performance of amorphous and nano-crystalline TiO2
Research output: Contribution to journal › Article › peer-review
Authors
Colleges, School and Institutes
External organisations
- Technical University of Cluj-Napoca
Abstract
Titanium dioxide powders with photocatalytic properties were obtained by a simple hydrolysis method, using an inorganic precursor. The effect of the annealing temperature on the formation and subsequent photocatalytic activity has been studied. The powders were characterized by X-ray diffraction, Raman and UV-Vis spectrometry in order to emphasise the structural and optical properties. The photo-catalytic performance of the powders by degradation of Methylene Blue under low intensity UVA and visible radiation were also quantified. The amorphous powder exhibits higher photo-catalytic activity than the equivalent anatase phase. The degradation efficiency of the dye in presence of the amorphous catalyst was 43%.
Details
Original language | English |
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Pages (from-to) | 431-435 |
Number of pages | 5 |
Journal | Optoelectronics and Advanced Materials-Rapid Communications |
Volume | 9 |
Issue number | 3-4 |
Publication status | Published - 2015 |
Keywords
- Amorphous, Nano-crystalline phases, Photo-catalytic performance, TiO<inf>2</inf> catalyst