Browsing by Author "Budunoğlu, H."
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Item Open Access Characterization of Zr6Nb2O17 synthesized by a peroxo route as a novel solid acid(Elsevier, 2008-03-20) Kantcheva, M.; Budunoğlu, H.; Samarskaya, O.The impregnation of hydrated zirconia at pH 0.5 with a solution of peroxoniobium(V) complex, [Nb2(O2)3] 4+, ensuring a ZrO2:Nb2O5 mole ratio of 6:1 followed by calcination at 873 K resulted in the formation of a Zr6Nb2O17 solid solution. The structure of this compound was confirmed by XRD. The surface acidity was investigated by in situ FT-IR spectroscopy using 2,6-dimethylpyridine (lutidine). Zr6Nb2O17 has a sufficient amount of Brønsted acid sites necessary for the stabilization of dispersed Pd(II) species. The potential of the Pd-promoted Zr6Nb2O17 as a catalyst for the reduction of NO with methane was evaluated by studying the reactivity of adsorbed NOx species toward the hydrocarbon. 2007 Elsevier B.V. All rights reserved.Item Open Access Omnidirectional antireflective and mechanically stable superhydrophobic surfaces from nanostructured ormosil colloids(American Chemical Society, 2012) Yıldırım, A.; Ghaffari, M.; Khudiyev, T.; Dağlar, B.; Budunoğlu, H.; Okyay, Ali Kemal; Bayındır, Mehmet