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Fabrication of pulsed-laser deposited V2O5 thin films for electrochromic devices

✍ Scribed by Yusuke Iida; Yoshikazu Kaneko; Yoshinori. Kanno


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
499 KB
Volume
197
Category
Article
ISSN
0924-0136

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✦ Synopsis


V 2 O 5 thin films were prepared by using pulsed-laser deposition technique. The influences of substrate temperature and oxygen partial pressure on the growth of V 2 O 5 films were studied. X-ray diffraction, atomic force microscopy, Raman measurements and the optical transmission measurements have been carried out in order to understand the growth mechanisms and the electrochromic parameters of the deposited films. We can understand that the structure of the V 2 O 5 thin film deposited at a low substrate temperature was broken by the insertion and extractions of lithium ions with increasing cycle number of electrochemical react. The surface morphology of the films deposited at T s = 623 K and pO 2 = 13.3 Pa is suitable for an electrochromic devices.


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