Morphology and Structure of Electrodeposited Prussian Blue and Prussian White Thin Films
Bruna F. Baggio 1, Cristiano Vicente 1
, Silvia Pelegrini 1, Cristiani Campos Plá Cid 1, Iuri Stefani Brandt 1, Milton André Tumelero 2 and André A. Pasa 1,*
, Silvia Pelegrini 1, Cristiani Campos Plá Cid 1, Iuri Stefani Brandt 1, Milton André Tumelero 2 and André A. Pasa 1,*
1
Laboratório de Filmes Finos e Superfícies, Universidade Federal de Santa Catarina, 88.040-900 Florianópolis, Brazil
2
Laboratório de Resistividade, Magnetismo e Supercondutividade, Instituto de Física, UFRGS, 90040-060 Porto Alegre, Brazil
*
Author to whom correspondence should be addressed.
Materials 2019, 12(7), 1103; https://doi.org/10.3390/ma12071103
Received: 15 March 2019 / Revised: 27 March 2019 / Accepted: 1 April 2019 / Published: 3 April 2019
(This article belongs to the Section Energy Materials)
Abstract
The compound Prussian Blue (PB), and its reduced form Prussian White (PW) are nowadays considered, in applied and fundamental research groups, as potential materials for sustainable energy storage devices. In this work, these compounds were prepared by potentiostatic electrochemical synthesis, by using different deposition voltages and thicknesses. Thick, compact and uniform layers were characterized by scanning electron microscopy, X-ray diffraction, and Raman spectroscopy. Results have shown a well-defined transition voltage for growing Prussian Blue phases and a strong dependence of the morphology/growing orientation of the samples as a function of applied potential and thickness. For the negative potential tested of −0.10 V vs. SCE, a mixture of cubic and rhombohedral phases was observed. View Full-TextKeywords:
Prussian Blue; Prussian White; Electrodeposition; Hexacyanoferrate
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Baggio, B.F.; Vicente, C.; Pelegrini, S.; Plá Cid, C.C.; Brandt, I.S.; Tumelero, M.A.; Pasa, A.A. Morphology and Structure of Electrodeposited Prussian Blue and Prussian White Thin Films. Materials 2019, 12, 1103.
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