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FT-IR, XPS and PEC characterization of spray deposited hematite thin films

机译:喷涂沉积赤铁矿薄膜的FT-IR,XPS和PEC表征

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Hematite thin films were prepared by spraying ethanolic solution of ferric trichloride and have been characterized by using Fourier transform infra-red (FT-IR) and X-ray photoelectron spectroscopic (XPS) techniques. The film prepared by spray consists of a single phase of alpha-Fe2O3. The XPS studies confirm that chemical states of Fe3+ and O2- in the film; thereby confirming the formation of the hematite thin films. The photoelectrochemical (PEC) studies have been carried out by forming a three-electrode system using 1 M NaOH electrolyte. The junction is illuminated with white light to obtain I-V characteristics in chopped light. The studies indicate the films exhibit n-type conductivity. (c) 2005 Elsevier B.V. All rights reserved.
机译:通过喷洒三氯化铁的乙醇溶液制备赤铁矿薄膜,并已通过使用傅立叶变换红外(FT-IR)和X射线光电子能谱(XPS)技术进行了表征。喷涂制备的薄膜由单相的α-Fe2O3组成。 XPS研究证实了膜中Fe3 +和O2-的化学状态。从而证实了赤铁矿薄膜的形成。通过使用1 M NaOH电解质形成三电极系统,进行了光电化学(PEC)研究。用白光照射该结,从而在切碎的光中获得I-V特性。研究表明该膜表现出n型导电性。 (c)2005 Elsevier B.V.保留所有权利。

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