Journal of Materials Science

, Volume 47, Issue 4, pp 2025–2032 | Cite as

Growth of aligned ZnO nanorods on transparent electrodes by hybrid methods

  • M. F. Meléndrez
  • K. Hanks
  • Francis Leonard-Deepak
  • F. Solis-Pomar
  • E. Martinez-Guerra
  • E. Pérez-Tijerina
  • M. José-Yacaman


The fabrication of ZnO (80 nm) thin film was achieved by hybrid atomic layer deposition (ALD) to prevent the reaction between the reactants and conductive layer of the substrates. ZnO nanorods (ZnO-NRs) growth over the substrates was performed by wet chemical procedure in which Zn(NO3)2 and hexamethylenetetramine were used as the precursors. HR-TEM, SAED, FE-SEM, X-ray diffraction (XRD), and UV–Vis spectroscopy were employed to characterize the ZnO-NRs samples on the substrates. XRD and HR-TEM analyses confirmed that the ZnO nanorod structure is hexagonal wurtzite type with growth in the [0001] direction. Length and thickness of the ZnO-NRs ranged between 45  and 90 nm and 480  and 600 nm, respectively. It was observed that the growth rate of NRs in [0001] direction is 10 times higher than in [1000] direction. The growth mechanism and resulted dimensions of nanorods are function of the synthesis parameters (in hybrid ALD process) such as reaction time, temperature, precursor molar ratio, and thickness of ZnO film.


High Resolution Transmission Electron Microscopy High Resolution Transmission Electron Microscopy Atomic Layer Deposition Atomic Layer Deposition Process High Resolution Transmission Electron Microscopy Micrographs 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The project described was supported by the National Center for Research Resources (Award Number 2G12RR013646-11). The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Center for Research Resources or the National Institutes of Health also to PREM grant number which is DMR 0934218 “Oxide and Metal Nanoparticles—The Interface Between Life Sciences and Physical Sciences”. The authors thank to “Servicios Industriales Penoles, SA de C.V” from México, electronic microscopy laboratory of the International Center for Nanotechnology and Advanced Materials at the University of Texas at San Antonio, we also thank Dave Olmos from UTSA for technical support, Paola Jose for her assistance in this study and Department of Material Engineering at the University of Concepcion-Chile.

Supplementary material

10853_2011_6002_MOESM1_ESM.docx (20.2 mb)
Supplementary material 1 (DOCX 20688 kb)


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • M. F. Meléndrez
    • 1
  • K. Hanks
    • 2
  • Francis Leonard-Deepak
    • 3
  • F. Solis-Pomar
    • 4
  • E. Martinez-Guerra
    • 5
  • E. Pérez-Tijerina
    • 4
  • M. José-Yacaman
    • 2
  1. 1.Department of Materials Engineering (DIMAT), Faculty of EngineeringUniversity of ConcepcionConcepciónChile
  2. 2.Department of Physics & Astronomy, International Center for Nanotechnology and Advanced MaterialsUniversity of Texas at San Antonio, One UTSA CircleSan AntonioUSA
  3. 3.International Iberian Nanotechnology LaboratoryBragaPortugal
  4. 4.Laboratorio de Nanociencia y NanotecnologíaCentro de Innovación y Desarrollo en Ingeniería y Tecnología de la UANL-PIITApodacaMexico
  5. 5.Centro de Investigación en Materiales Avanzados S.C, Unidad Monterrey-PIITApodacaMexico

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