Microstructures and Photoluminescence of Electrochemically-Deposited ZnO Films on Porous Silicon and Silicon


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ZnO films covered with microrods were grown on silicon and porous silicon through electrochemical deposition with silicon or porous silicon as cathode, a platinum wire as anode, and zinc chloride solution of 0.05mol/L as electrolyte. The morphologies by SEM and the crystal structures by XRD were studied. The photoluminescence spectra were also measured. And the mechanisms of the growth and the photoluminescence of the ZnO thin films were analyzed and compared. Studies showed that the luminous intensity of ZnO thin films is different under different conditions, but its peak is located between 370-385nm, luminous intensity of the ZnO film deposited on porous silicon and then annealed is weaker.



Edited by:

Yuan Ming Huang




L. L. Chen et al., "Microstructures and Photoluminescence of Electrochemically-Deposited ZnO Films on Porous Silicon and Silicon", Key Engineering Materials, Vol. 538, pp. 30-33, 2013

Online since:

January 2013




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