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  • Elektrokromni sklop s trdnim redoks-elektrolitom I-/I3-, pripravljenim po postopku sol-gel
    Surca, Angelja Kjara ; Orel, Boris, 1943- ; Vince, Jelica
    We report on the construction of a hybrid EC device without the counter-electrode with the intercalation properties as in usual battery type of EC devices. This is replaced by the redox pair ... I[sub]3[sup]-&I[sup]- in the solid sol-gel electrolyte and Pt electrode. The sol-gel electrolyte was prepared from an organic-inorganic ICS-PPG precursor, ethanol, KI and I[sub]2 and acetic or valeric acids as catalysts for the hydrolysis/condensation reactions. The hybrid EC devices color in 10-20 s, while their coloration efficiencies are between 6 and 10 cm[sup]2C[sup]-1. Device functioning was studied with the resonance Raman spectroscopy, focusing the laser with the excitation line of 647 nm on the redox electrolyte encapsulated in the hybrid EC cell. The increase in the relative integral intensity of the simmetric stretching of I[sub]3[sup]- ions on the Pt-side of the device was accompanied by the drop in the absolute background intensity. We explained this phenomenon with the dissociation of the KI mocrocrystallites, which formed immediately after the application of the redox electrolyte in the device, because of the intercalation of K[sup]+ ions in WO[sub]3 film.
    Vir: Vakuumist : glasilo Društva za vakuumsko tehniko Slovenije. - ISSN 0351-9716 (Letn. 22, št. 2/3, avg. 2002, str. 17-24)
    Vrsta gradiva - članek, sestavni del
    Leto - 2002
    Jezik - slovenski
    COBISS.SI-ID - 17118759

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    Digitalna knjižnica Slovenije - dLib.si

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