Chemistry, Physics and Technology of Surface, 2010, 1 (3), 315-320.

Enhancement of the Hydrogen Sorption on Mesoporous Carbon by Doping with Palladium Nanoparticles



V. Gerda, G. M. Telbiz, N. Kobylinskaya, V. N. Zaitsev, P. A. Manorik, J. Fraissard

Abstract


We have used the matrix synthesis protocol of Ryoo et al. for the preparation of highly ordered cubic mesoporous carbon (CMK-1) using mesoporous silica (MCM-48) as a template, in order to prepare palladium-doped CMK-1. The carbon obtained has a high surface area of 1800 m2g-1, a large porous volume of 1.14 cm3g-1 and average pore diameter of 3.03 nm. Step-by-step formation of mesoporous carbon was followed by X-ray diffraction, FTIR, N2 adsorption desorption and TPD mass-spectrometry. The physical data of CMK-1 are hardly changed by Pd incorporation (CMK‑1/Pd). Transmission electron microscopy and Raman spectroscopy show that the framework of the highly ordered mesoporous carbon/Pd consists of an aligned carbon phase with a graphite mode region. The potential application of CMK-1 and CMK‑1/Pd as sorbents for hydrogen storage is discussed.

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