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Journal of Nanomaterials
Volume 2016 (2016), Article ID 4580518, 10 pages
Research Article

Effect of Growth Temperature and Time on Morphology and Gas Sensitivity of Cu2O/Cu Microstructures

College of Sciences, China University of Mining and Technology, Xuzhou City 221116, China

Received 2 May 2016; Revised 25 July 2016; Accepted 23 August 2016

Academic Editor: Xin Zhang

Copyright © 2016 Ling Wu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

Fig. S1 HRTEM images of Cu2O octahedral particle obtained at 20°C. The surface of octahedral particle was not smooth, which has been piled up by approximately 5 nm ultrafine particles like fish scales.

Fig. S2 HRTEM images of Cu2O/Cu composites obtained at 65°C for 15 min, the inserts corresponding to the white marked regions. (a) The lattice fringes have interplanar spacing of 0.247 nm, which is in agreement with the cubic Cu2O (111) planes; (b) The lattice fringes have interplanar spacing of 0.209 nm, which is in agreement with the cubic Cu (111) planes.

Fig. S3 XRD patterns of samples synthesized for various time at 65°C. As expected, the content of Cu in the Cu2O/Cu composite increased with increasing the reaction time to produce a range of composite with controllable composition.

  1. Supplementary Material