Porous antimony-doped tin oxide (ATO) cathodes formed by supercritical CO2 (SCCO2) treatment for silver electro-deposition devices were proposed.
The porous ATO cathode with a thickness of 1.4£gm was formed by coating the nano-particle ATO solution on ITO glass. The porous structure of the cathodes was obtained by applying SCCO2 treatment at 60oC on the spin-coated ATO thin films. A layer of electrolyte(formed by AgI, NaI and DMSO)was enclosed by two electrodes to to form a so-called¡§sandwich¡¨ structure. After the fabrication process, white paint was spray on the back side of the glass substrate. Due to the thickness of the ATO cathode, the cathode is observed to be transparent during the oxidation process. The Black state of the device was observed during the reduction of silver molecules which were anchored onto the surface of the 1.4£gm thick ATO cathode.
The average transmission contrast ratio of 4.4 was obtained in visible spectrum at a driving voltage of 1V and a saturation current density of 3.1 mA/cm2. In addition to that, 0.5 cm by 0.5 cm device with 65£gm cell gap and 0.08 M electrolyte concentration, an electrochromic switching time of 3.7 seconds was achieved .
| Identifer | oai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0717111-155912 |
| Date | 17 July 2011 |
| Creators | Tan, Khoon-Wei |
| Contributors | Ann-Kuo Chu, Ting-Chang Chang, Jing-Yuan Lin, Fang-Zheng Lin, Chao-Kuei Lee |
| Publisher | NSYSU |
| Source Sets | NSYSU Electronic Thesis and Dissertation Archive |
| Language | Cholon |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0717111-155912 |
| Rights | campus_withheld, Copyright information available at source archive |
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