4.7 Article

Facile synthesis of monodisperse porous Co3O4 microspheres with superior ethanol sensing properties

Journal

CHEMICAL COMMUNICATIONS
Volume 47, Issue 48, Pages 12852-12854

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cc15555e

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Funding

  1. Energy Frontier Research Center (EFRC) of DOE, USA [DE-SC0001091]
  2. Institute of Physics (IOP)
  3. National Natural Science Foundation of China [51172275, 51072038]
  4. Program for New Century Excellent Talents in University

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A solvothermal method was developed to prepare on a large scale monodisperse porous beta-Co(OH)(2) microspheres consisting of nanoplatelets. Co3O4 microspheres with porous platelets were obtained via subsequent thermal decomposition. These Co3O4 microspheres show much higher ethanol sensitivity and selectivity at a relatively low temperature (135 degrees C) compared with those of commercial Co3O4 nanoparticles.

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