OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited version published in : http://oatao.univ-toulouse.fr/ Eprints ID : 16639To link to this article :
Interfacial electro-chemo-mechanical phenomena determine the performance of Li solid-state batteries (SSBs), thus the study of these processes is key to construct more efficient and stable systems. In this regard, the...
This paper reports the enhancement of the electrochromic properties in the infrared, IR,
region of radio frequency sputtered WO3 thin films thanks to a careful optimization of the
deposition conditions. From the combination of various techniques of characterization, the optical
performances, in particular, the contrast in reflectance between the inserted state and the deinserted
one, upon cycling in H3PO4 liquid electrolyte, are correlated to the film morphology and
composition. Films, grown in higher chamber pressure, exhibiting a lower density and a O/W ratio
higher than 3, show the most promising behavior. Finally, first trends on the incorporation of the
WO3 single layer in full electrochromic devices are discussed.
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