Hierarchically structured cobalt oxide (Co3O4): the morphology control and its potential in sensors.

J Phys Chem B

Beijing National Laboratory for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100080, China.

Published: August 2006

AI Article Synopsis

  • A polyol process was created to produce Co3O4 with adjustable superstructures.
  • Reaction conditions were optimized to control the morphology of Co3O4, resulting in various shapes like nanospheres, 2D nanoplates, 3D structures, and microspheres.
  • The resulting Co3O4 demonstrated strong sensitivity, selectivity, and stability, making it effective for use as an alcohol sensor.

Article Abstract

A polyol process was developed to synthesize Co3O4 with controllable superstructures. By tuning the reaction conditions, the prepared Co3O4 were readily regulated in its morphologies, which could vary from nanosphere to two-dimensional (2D) nanoplates and 3D hierarchical structures, and finally to microspheres. The growth kinetics of such a process was also studied. The synthesized Co3O4 exhibited good sensitivity, remarkable selectivity, and high stability as an alcohol sensor material.

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Source
http://dx.doi.org/10.1021/jp0632438DOI Listing

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