1998
DOI: 10.1590/s0100-40421998000300009
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Filmes de óxidos anódicos de nióbio: efeito eletrocrômico e cinética da reação de eletro-intercalação

Abstract: Keywords: electrochromism; niobium oxide; intercalation. ARTIGO INTRODUÇÃOA possibilidade de aplicação de filmes finos de óxidos de metais de transição em visores eletroópticos e janelas inteligentes, tem sido um dos fundamentos da crescente investigação na área dos materiais eletrocrômicos.Pesquisas relacionadas ao eletrocromismo, fenômeno que se revela em alguns materiais pela mudança nas suas propriedades ópticas e na sua coloração quando da aplicação de um campo elétrico, se concentraram inicialmente em fi… Show more

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Cited by 7 publications
(1 citation statement)
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“…The main methods for deposition of niobium oxides on surfaces described in the literature are: (I) impregnation, in aqueous medium, of ammonium oxaloniabate or niobium acid (niobium oxalate) [11], (II) impregnation, in organic medium, of niobium ethoxide [12], (III) niobium ethoxide anchorage [13], the latter, provides better dispersion of niobia on the support surface, (IV) chemical composition in the steam phase [7], (V) anodic potentiostatic polarization [8], (VI) thermal aspersion [6],(VII) deposition in homogeneous solution [9], (VIII) Pechini method [10], sol-gel process [14]. The niobium pentachloride, in turn is an economically advantageous precursor in relation to the ethoxide and in the literature available there are no references regarding its use as an anchor.…”
Section: Introductionmentioning
confidence: 99%
“…The main methods for deposition of niobium oxides on surfaces described in the literature are: (I) impregnation, in aqueous medium, of ammonium oxaloniabate or niobium acid (niobium oxalate) [11], (II) impregnation, in organic medium, of niobium ethoxide [12], (III) niobium ethoxide anchorage [13], the latter, provides better dispersion of niobia on the support surface, (IV) chemical composition in the steam phase [7], (V) anodic potentiostatic polarization [8], (VI) thermal aspersion [6],(VII) deposition in homogeneous solution [9], (VIII) Pechini method [10], sol-gel process [14]. The niobium pentachloride, in turn is an economically advantageous precursor in relation to the ethoxide and in the literature available there are no references regarding its use as an anchor.…”
Section: Introductionmentioning
confidence: 99%