Nanosized Titanium Oxynitride and Molybdenum Oxynitride Particles Assembled in Mesoporous Silica MCM-41

Shan Zheng; Lian Gao

doi:10.4028/www.scientific.net/MSF.510-511.138

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HomeMaterials Science ForumMaterials Science Forum Vols. 510-511Nanosized Titanium Oxynitride and Molybdenum...

Nanosized Titanium Oxynitride and Molybdenum Oxynitride Particles Assembled in Mesoporous Silica MCM-41

Abstract:

Titanium oxynitride and molybdenum oxynitride assembled in the pores of mesoporous materials were achieved by nitriding titania-modified MCM-41 and molybdena-modified MCM-41 at 800°C for 3 hours under flowing NH3 atmosphere. XRD, XPS and N2 adsorption-desorption isotherms were employed to characterize the structure of the composite materials. The results showed that the nanosized TiOxNy and MoOxNy particles were assembled in mesoporous silica MCM-41 with the restrict mesopores. The hexagonal periodicity of the parent MCM-41 materials was maintained upon assembly at the provided nitridation temperature. The exact formation was TiO0.4N0.8 in MCM-TiOxNy, and MoO1.7N0.57 in MCM-MoOxNy, which were calculated from the data in XPS spectra of Ti 2p and Mo 3d.

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Materials Science Forum (Volumes 510-511)

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138-141

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https://doi.org/10.4028/www.scientific.net/MSF.510-511.138

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March 2006

Authors:

Shan Zheng, Lian Gao

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Ammonia, MCM-41, MoO_xN_y, Nitridation, TiO_xN_y

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