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Issue 21, 2009
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Highly entangled hollow TiO2nanoribbons templating diphenylalanine assembly

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Abstract

We introduce a biotemplating approach for creating highly entangled hollow TiO2nanoribbons by combining peptide assembly with an atomic layer deposition process. An aromatic peptide of diphenylalanine was readily assembled into a hierarchical organogel consisting of highly entangled nanoribbons. Unlike ordinary biomaterials, the peptide nanoribbon framework exhibited a high level of thermal stability, such that it may undergo the further functionalization process of vacuum deposition without significant damage to its nanoscale structure. A nanoscale layer of anatase TiO2 was deposited on the nanoribbon framework by means of atomic layer deposition. After pyrolysis, a highly entangled nanotubular TiO2 framework was created successfully. The highly entangled TiO2 architecture exhibited UV-switchable wetting properties.

Graphical abstract: Highly entangled hollow TiO2nanoribbons templating diphenylalanine assembly

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Publication details

The article was received on 30 Oct 2008, accepted on 09 Mar 2009 and first published on 09 Apr 2009


Article type: Paper
DOI: 10.1039/B819254E
Citation: J. Mater. Chem., 2009,19, 3512-3516
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    Highly entangled hollow TiO2nanoribbons templating diphenylalanine assembly

    T. H. Han, J. K. Oh, J. S. Park, S. Kwon, S. Kim and S. O. Kim, J. Mater. Chem., 2009, 19, 3512
    DOI: 10.1039/B819254E

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