Photocatalytically active nanocrystalline titania particles were prepared using a hydrothermal process, by controlling the particle size and crystallinity. The crystalline structures and morphologies of the particles were characterized by X-ray diffraction and transmission electron microscopy. The BET method was used to determine the surface area and verify the grain size. To estimate the photocatalytic activity of the synthesized particles, a dye photodegradation experiment was carried out and the activity of the particles was compared with that of conventional titania. The results show that synthesized nanocrystalline titania particles had a higher photocatalytic activity than that of conventional titania. These findings provide a basis for the preparation of more effective and useful materials for use in AOP applications.
A novel synthetic method for nanosized crystalline titania for use in the decomposition of dyes
C.Y. Yun, J. Moon, K. Chung, M. Kang, C.B. Shin, K. Choi, J. Yi; A novel synthetic method for nanosized crystalline titania for use in the decomposition of dyes. Water Sci Technol 1 February 2004; 49 (4): 177–181. doi: https://doi.org/10.2166/wst.2004.0255
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