Table of Contents
Journal of Nanoparticles
Volume 2013, Article ID 405043, 6 pages
http://dx.doi.org/10.1155/2013/405043
Research Article

The Influences of CuO/ZnO Ratios on the Crystallization Characteristics Electrical and Magnetic Properties of Powders

1The Instrument Center, National Cheng Kung University, Tainan 70101, Taiwan
2Department of Materials Science and Engineering, Institute of Nanotechnology and Microsystems Engineering, Center for Micro/Nano Science and Engineering, National Cheng Kung University, Tainan 70101, Taiwan
3Institute of Microelectronics and Department of Electrical Engineering, Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan

Received 18 October 2012; Accepted 18 January 2013

Academic Editor: Yang Xu

Copyright © 2013 Kuan-Jen Chen 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.

Linked References

  1. B. Karthikeyan, T. Pandiyarajan, and K. Mangaiyarkarasi, “Optical properties of sol-gel synthesized calcium doped ZnO nanostructures,” Spectrochimica Acta A, vol. 82, pp. 97–101, 2011. View at Google Scholar
  2. H. Qin, Z. Zhang, X. Liu, Y. Zhang, and J. Hu, “Room-temperature ferromagnetism in CuO sol-gel powders and films,” Journal of Magnetism and Magnetic Materials, vol. 322, no. 14, pp. 1994–1998, 2010. View at Publisher · View at Google Scholar · View at Scopus
  3. C. W. Zou, J. Wang, F. Liang, W. Xie, L. X. Shao, and D. J. Fu, “Large-area aligned CuO nanowires arrays: synthesis, anomalous ferromagnetic and CO gas sensing properties,” Current Applied Physics, vol. 12, pp. 1349–1354, 2012. View at Google Scholar
  4. J. Wang, N. Du, H. Zhang, J. Yu, and D. Yang, “Large-scale synthesis of SnO2 nanotube arrays as high-performance anode materials of Li-ion batteries,” Journal of Physical Chemistry C, vol. 115, no. 22, pp. 11302–11305, 2011. View at Publisher · View at Google Scholar · View at Scopus
  5. H. G. Na, D. S. Kwak, H. W. Kim, and H. W., “Structural, Raman, and photoluminescence properties of double-shelled coaxial nanocables of In2O3 core with ZnO and AZO shells,” Crystal Research and Technology, vol. 47, pp. 79–86, 2012. View at Google Scholar
  6. L. C. Chen, C. M. Huang, C. S. Gao, G. W. Wang, and M. C. Hsiao, “A comparative study of the effects of In(2)O(3) and SnO(2) modification on the photocatalytic activity and characteristics of TiO(2),” Chemical Engineering Journal, vol. 175, pp. 49–55, 2011. View at Google Scholar
  7. J. P. Li, F. Q. Sun, K. Y. Gu et al., “Preparation of spindly CuO micro-particles for photodegradation of dye pollutants under a halogen tungsten lamp,” Applied Catalysis A, vol. 406, pp. 51–58, 2011. View at Google Scholar
  8. R. Motoyoshi, T. Oku, H. Kidowaki et al., “Structure and photovoltaic activity of cupric oxide-based thin film solar cells,” Journal of the Ceramic Society of Japan, vol. 118, no. 1383, pp. 1021–1023, 2010. View at Google Scholar · View at Scopus
  9. H. T. Hsueh, S. J. Chang, W. Y. Weng et al., “Fabrication and characterization of coaxial p-copper oxide/n-ZnO nanowire photodiodes,” IEEE Transactions on Nanotechnology., vol. 11, pp. 127–133, 2012. View at Google Scholar
  10. H. T. Hsueh, T. J. Hsueh, S. J. Chang et al., “CuO nanowire-based humidity sensors prepared on glass substrate,” Sensors and Actuators B, vol. 156, no. 2, pp. 906–911, 2011. View at Publisher · View at Google Scholar · View at Scopus
  11. J. X. Wang, X. W. Sun, Y. Yang et al., “Free-standing ZnO–CuO composite nanowire array films and their gas sensing properties,” Nanotechnology, vol. 22, no. 32, Article ID 325704, 2011. View at Publisher · View at Google Scholar · View at Scopus
  12. C. S. Dandeneau, Y. H. Jeon, C. T. Shelton, T. K. Plant, D. P. Cann, and B. J. Gibbons, “Thin film chemical sensors based on p-CuO/n-ZnO heterocontacts,” Thin Solid Films, vol. 517, no. 15, pp. 4448–4454, 2009. View at Publisher · View at Google Scholar · View at Scopus
  13. T. Ghosh, M. Dutta, S. Mridha, and D. Basak, “Effect of Cu doping in the structural, electrical, optical, and optoelectronic properties of sol-gel ZnO thin films,” Journal of the Electrochemical Society, vol. 156, no. 4, pp. H285–H289, 2009. View at Publisher · View at Google Scholar · View at Scopus
  14. H. Liu, J. Yang, Z. Hua et al., “The structure and magnetic properties of Cu-doped ZnO prepared by sol-gel method,” Applied Surface Science, vol. 256, no. 13, pp. 4162–4165, 2010. View at Publisher · View at Google Scholar · View at Scopus
  15. S. Y. Zhuo, X. C. Liu, Z. Xiong, J. H. Yang, and E. W. Shi, “Defects enhanced ferromagnetism in Cu-doped ZnO thin films,” Solid State Communications, vol. 152, pp. 257–260, 2012. View at Google Scholar
  16. K. J. Chen, T. H. Fang, F. Y. Hung et al., “The crystallization and physical properties of Al-doped ZnO nanoparticles,” Applied Surface Science, vol. 254, no. 18, pp. 5791–5795, 2008. View at Publisher · View at Google Scholar · View at Scopus
  17. J. V. Bellini, M. R. Morelli, and R. H. G. A. Kiminami, “Ceramic system based on ZnO · CuO obtained by freeze-drying,” Materials Letters, vol. 57, no. 24-25, pp. 3775–3778, 2003. View at Publisher · View at Google Scholar · View at Scopus
  18. C. Karunakaran, V. Rajeswari, and P. Gomathisankar, “Optical, electrical, photocatalytic, and bactericidal properties of microwave synthesized nanocrystalline Ag–ZnO and ZnO,” Solid State Sciences, vol. 13, no. 5, pp. 923–928, 2011. View at Publisher · View at Google Scholar · View at Scopus
  19. D. Behera, J. Panigrahi, and B. S. Acharya, “Probing the effect of nitrogen gas on electrical conduction phenomena of ZnO and Cu-doped ZnO thin films prepared by spray pyrolysis,” Ionics, vol. 17, pp. 741–749, 2011. View at Google Scholar
  20. X. B. Wang, D. M. Li, F. Zeng, and F. Pan, “Microstructure and properties of Cu-doped ZnO films prepared by dc reactive magnetron sputtering,” Journal of Physics D, vol. 38, no. 22, pp. 4104–4108, 2005. View at Publisher · View at Google Scholar · View at Scopus
  21. M. S. Seehra, P. Dutta, V. Singh, Y. Zhang, and I. Wender, “Evidence for room temperature ferromagnetism in CuxZn1xO from magnetic studies in CuxZn1xOCuO composite,” Journal of Applied Physics, vol. 101, no. 9, Article ID 09H107, 2007. View at Publisher · View at Google Scholar · View at Scopus
  22. J. Qi, D. Gao, L. Zhang, and Y. Yang, “Room-temperature ferromagnetism of the amorphous Cu-doped ZnO thin films,” Applied Surface Science, vol. 256, no. 8, pp. 2507–2508, 2010. View at Publisher · View at Google Scholar · View at Scopus
  23. O. Perales-Perez, A. Parra-Palomino, R. Singhal et al., “Evidence of ferromagnetism in Zn1−xMxO (M = Ni,Cu) nanocrystals for spintronics,” Nanotechnology, vol. 18, no. 31, Article ID 315606, 2007. View at Publisher · View at Google Scholar · View at Scopus
  24. X. Chen, Z. Zhou, K. Wang et al., “Ferromagnetism in Fe-doped tetra-needle like ZnO whiskers,” Materials Research Bulletin, vol. 44, no. 4, pp. 799–802, 2009. View at Publisher · View at Google Scholar · View at Scopus
  25. R. Al-Gaashani, S. Radiman, N. Tabet, A. R. Daud, and Synthesis a, “nd optical properties of CuO nanostructures obtained via a novel thermal decomposition method,” Journal of Alloys and Compounds, vol. 509, pp. 8761–8769, 2011. View at Google Scholar
  26. L. Li, J. G. Lei, and T. H. Ji, “Facile fabrication of p-n heterojunctions for Cu(2)O submicroparticles deposited on anatase TiO(2) nanobelts,” Materials Research Bulletin, vol. 46, pp. 2084–2089, 2011. View at Google Scholar
  27. H. Kim, B. K. Lee, K. S. An, and S. Ju, “Direct growth of oxide nanowires on CuO(x) thin film,” Nanotechnology, vol. 23, no. 4, Article ID 830474, 2012. View at Publisher · View at Google Scholar
  28. K. J. Chen, F. Y. Hung, Y. T. Chen, S. J. Chang, and Z. S. Hu, “Surface characteristics, optical and electrical properties on sol-gel synthesized sn-doped ZnO thin film,” Materials Transactions, vol. 51, no. 7, pp. 1340–1345, 2010. View at Publisher · View at Google Scholar · View at Scopus
  29. C. O. Kim, S. Kim, H. T. Oh et al., “Effect of electrical conduction properties on magnetic behaviors of Cu-doped ZnO thin films,” Physica B, vol. 405, no. 22, pp. 4678–4681, 2010. View at Publisher · View at Google Scholar · View at Scopus