Titania based aerogels are a special class of porous solid materials with high surface area, ultra-low density and high homogeneity that make them attractive for various applications in solar energy conversion, pigments and electronic devices as well as in (photo)catalysis [1].

Nitrogen doped TiO₂ aerogels prepared by different chemical routes are studied by various physical investigation techniques (Brunauer–Emmet–Teller (BET), Transmission Electron Microscopy (TEM), Selected Area Electron Diffraction (SAED), X-ray diffraction (XRD) and Raman spectroscopy) in order to get valuable information concerning the morphology and the structure of the newly prepared porous materials. The catalytic activity of the nitrogen doped TiO₂ aerogels was determined by measuring the degradation rate of the salicylic acid used as reference organic material. The correlations between the morphological and structural parameters and those obtained from the photocatalytic activity assessment are discussed

References

[1]. Z. Zhu, L. Y. Tsung, M. Tomkiewicz, J. Phys. Chem., 99, 1995, 15945-15949.

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