Journal
MATERIALS RESEARCH BULLETIN
Volume 46, Issue 12, Pages 2484-2488Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2011.08.021
Keywords
Semiconductors; Thin films; Crystal growth; Crystal structure
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This paper is about a recently developed new chemical method for deposition of Prussian blue thin films. The films are easily prepared by successive immersion of the substrates into an acidic aqueous solution of Fe(2)(SO(4))(3) and K(4)[Fe(CN)(6)]. It is calculated of the results from AFM analysis that the growth in the film thickness by one immersion cycle corresponds to an average increase of 6 nm. The characterization of the films with X-ray diffraction, SEM-EDS analysis and FTIR spectroscopy shows that the deposited material is amorphous hydrated Fe(4)[Fe(CN)(6)](3). The electrochromic properties are characterized by cyclic voltammetry and VIS spectrophotometry. The PB thin films exhibit stability and excellent reversibility, which make these films favorable for electrochromic devices. (C) 2011 Elsevier Ltd. All rights reserved.
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