The aging of electrochromic tungsten trioxide (WO3) film electrodes has been related to the retention of ion charge and measured by means of spectral transmittance, mechanical stress and potentiometry. The drop of the optical contrast and the continuous increase of thin film stress during charge-discharge cycles has been attributed to a phase transition from the original WO3 to a mixed conduction material resulting more compact and with higher rigidity.
Aging of optical and mechanical properties of MxWO3 with proton and lithium ions / Dini, Danilo; Decker, Franco. - 96-24(1997), pp. 275-282.
Aging of optical and mechanical properties of MxWO3 with proton and lithium ions
DINI, DANILO;DECKER, Franco
1997
Abstract
The aging of electrochromic tungsten trioxide (WO3) film electrodes has been related to the retention of ion charge and measured by means of spectral transmittance, mechanical stress and potentiometry. The drop of the optical contrast and the continuous increase of thin film stress during charge-discharge cycles has been attributed to a phase transition from the original WO3 to a mixed conduction material resulting more compact and with higher rigidity.File allegati a questo prodotto
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