4.8 Article

Hierarchical Zinc Oxide Materials with Multiple Porosity Prepared by Ultrafast Temperature Gradient Chemical Gas-Phase Synthesis

Journal

ADVANCED MATERIALS
Volume 24, Issue 4, Pages 543-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201103557

Keywords

porous materials; aerogels; metal oxides; semiconductors; gas-sensing

Funding

  1. German Research Foundation [PO 780/8-1]

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The preparation of materials characterized by three types of porosity could be prepared by a continuous chemical gas-phase method. The multistep formation mechanism involves a critical temperature gradient and occurs within seconds. The resulting hollow aerogel materials show superior properties as gas sensors in comparison to materials constructed from compact nanoparticles.

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