Abstract
AbstractSolution‐based nickel induced crystallization of amorphous silicon (a‐Si) films was performed. The nickel solution was prepared by dissolving (CH3CO2)2Ni in deionized water and applied uniformly on a‐Si films by low‐cost ultrasonic spray pyrolysis method. Crystallization could be realized for a‐Si films coated with a 0.2 M nickel solution and annealed at 500 °C. The effect of substrate temperature during nickel solution deposition was analyzed. Micro‐Raman and x‐ray diffraction measurement show that a‐Si is fully crystallized at 550 °C for 7 h with a nickel concentration of 0.8 M. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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