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01566 am a22001813u 4500 |
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|a Al-Hajjaj, A.A.
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|a Zamora, B.
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|a Bavykin, D.V.
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|a Shah, A.A.
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|a Walsh, F.C.
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|a Reguera, E.
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|a Sorption of hydrogen onto titanate nanotubes decorated with a nanostructured Cd3[Fe(CN)6]2 Prussian Blue analogue
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|c 2012-01.
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|z Get fulltext
|u https://eprints.soton.ac.uk/207415/1/2012-Sorption_Of_Hydrogen_Onto_Titanate_Nanotubes_Decorated_With_A_Nanostructured_Cd3%255BFe%2528CN%25296%255D2_Prussian_Blue_Analogue.pdf
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|a Nanostructured films of cadmium hexacyanoferrate (III), Cd3[Fe(CN)6]2 have been deposited on the surface of titanate nanotubes (TiNT) by ion exchange with CdSO4, followed by reaction with K3[Fe(CN)6] in an aqueous suspension. The composite demonstrates a significantly higher hydrogen storage uptake than pure Cd3[Fe(CN)6]2 and TiNT. At a temperature of 77 K and a pressure 100 bar, the hydrogen uptake for the composite is approximately 12.5 wt %, whereas only 4.5 wt % and 4 wt % are achieved for the TiNT and Cd3[Fe(CN)6]2 respectively. Electron microscopy and infrared spectroscopy show that Cd3[Fe(CN)6]2 is uniformly distributed on the surface of the nanotubes forming a discontinuous nanostructured film with a well developed interface, which allows efficient interaction with the support. The possible reasons for the high uptake of hydrogen in the composite are discussed
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