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dc.contributor.authorRamachandran, R-
dc.contributor.authorAgnihotry, S A-
dc.identifier.issn0975-1041 (Online); 0019-5596 (Print)-
dc.description.abstractDeposition of WO3 films using precursors based on non-alkoxide materials follow two different routes. One of them involves preparation of polytungstic acid 'sol' by ion-exchange route. Although the reaction here is carried out at room temperature, the sol thus obtained is unstable and transforms into a gel within a short time. The other route follows preparation of peroxotungstic acid (PTA) starting with tungsten metal and reacting it with excess hydrogen peroxide under controlled conditions of temperature, resulting in a precursor with enhanced stability. PTA was characterized by DSC, XRD, FTIR and UV-visible spectrophotometry. Films deposited by spin coating technique when tested for electrochromism were found suitable for such applications.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceIJPAP Vol.37(04) [April 1999]en_US
dc.titleSol-gel deposition of EC-WO3 films using a precursor with enhanced stabilityen_US
Appears in Collections:IJPAP Vol.37(04) [April 1999]

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