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Issue 5, 2012
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Production of large-scale, freestanding vanadium pentoxide nanobelt porous structures

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Abstract

Large-scale, freestanding, porous structures of vanadium pentoxide nanobelts (VPNs) were successfully prepared using the template-free freeze-drying method. The porous and multi-layered VPN macrostructures are composed of randomly oriented long nanobelts (over 100 μm) and their side length can be controlled up to a few tens of centimetres. Also, the bulk density and surface area of these macrostructures are 3–5 mg cm−3 and 40–80 m2 g−1, respectively, which are similar to those of the excellent adsorbents. In addition, the removal efficiency measurements of ammonia molecules revealed that the VPN porous structures can adsorb the ammonia molecules with the combinations of van der Waals forces and strong chemical bonding by functional groups on the VPN surface.

Graphical abstract: Production of large-scale, freestanding vanadium pentoxide nanobelt porous structures

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Publication details

The article was received on 24 Oct 2011, accepted on 07 Dec 2011 and first published on 01 Feb 2012


Article type: Paper
DOI: 10.1039/C2NR11569G
Citation: Nanoscale, 2012,4, 1636-1640
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    Production of large-scale, freestanding vanadium pentoxide nanobelt porous structures

    Y. J. Yun, B. H. Kim, W. G. Hong, C. H. Kim, Y. Y. Kim, E. Jeong, W. I. Jang and H. Y. Yu, Nanoscale, 2012, 4, 1636
    DOI: 10.1039/C2NR11569G

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