Facile synthesis of monodisperse porous Co3O4 microspheres with superior ethanol sensing properties
Chunwen Sun1, Shreyas Rajasekhara, Yujin Chen
1Texas Materials Institute, ETC 9.184, The University of Texas at Austin, Austin, Texas 78712, USA. csun@iphy.ac.cn
Abstract:
A solvothermal method was developed to prepare on a large scale monodisperse porous β-Co(OH)(2) microspheres consisting of nanoplatelets. Co(3)O(4) microspheres with porous platelets were obtained via subsequent thermal decomposition. These Co(3)O(4) microspheres show much higher ethanol sensitivity and selectivity at a relatively low temperature (135 °C) compared with those of commercial Co(3)O(4) nanoparticles.
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